QuizBiology.com

Multiple Choice Quiz on Protozoa (Kingdom Protista)

This quiz is designed to assess your basic knowledge in 'Kingdom Protista'. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers.Multiple Choice Quiz on Protozoa

1. The slime moulds are characterized by the presence of
elaters
pseudoelaters
capillitium
all of these
2. In diatoms auxospores help in
spore formation
reproduction
metabolism
growth
3. Bioluminescence is exhibited by
Chlorella
Ceratium
Chlamydomonas
Hirudinaria
4. Auxosspores and hormogonia are formed, respectively
some diatoms and several cyanobacteria
several diatoms and a few cyanobacteria
several diatoms and a few diatoms
some cyanobacteria and many datoms
5. Euglenoids species that have chlorophyll are
facultative autotrophs
facultative heterotrophs
obligate heterotrophs
obligate autrophs
6. Which is correct?
slime moulds are haploid
protozoan lack cellwall
dinoflagellates are immotile
pellicle is absent in euglena
7. A dinoflagellate where mesokaryon does not occur in somatic cells
Gonyaulax
Peridinium
Noctiluca
Ceratium
8. Photosynthetic protists belong to
zooflagellates
bacillariophyceae
bacillariophyceae, euglenophyceae and dinophyceae
bacillariophyceae and Euglenophyceae
9. Percentage of plantkton constituted by protistans is
70%
80%
90%
95%
10. Kingdom Protista includes
life cycle showing zygotic meiosis
life cycle showing gametic meiosis
life cycle showing sporic meiosis
both zygotic and gametic meiosis
Score =
Correct answers:
This quiz is designed to assess your basic knowledge in 'Kingdom Protista'. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers.Multiple Choice Quiz on Protozoa

1. The slime moulds are characterized by the presence of
elaters
pseudoelaters
capillitium
all of these
2. In diatoms auxospores help in
spore formation
reproduction
metabolism
growth
3. Bioluminescence is exhibited by
Chlorella
Ceratium
Chlamydomonas
Hirudinaria
4. Auxosspores and hormogonia are formed, respectively
some diatoms and several cyanobacteria
several diatoms and a few cyanobacteria
several diatoms and a few diatoms
some cyanobacteria and many datoms
5. Euglenoids species that have chlorophyll are
facultative autotrophs
facultative heterotrophs
obligate heterotrophs
obligate autrophs
6. Which is correct?
slime moulds are haploid
protozoan lack cellwall
dinoflagellates are immotile
pellicle is absent in euglena
7. A dinoflagellate where mesokaryon does not occur in somatic cells
Gonyaulax
Peridinium
Noctiluca
Ceratium
8. Photosynthetic protists belong to
zooflagellates
bacillariophyceae
bacillariophyceae, euglenophyceae and dinophyceae
bacillariophyceae and Euglenophyceae
9. Percentage of plantkton constituted by protistans is
70%
80%
90%
95%
10. Kingdom Protista includes
life cycle showing zygotic meiosis
life cycle showing gametic meiosis
life cycle showing sporic meiosis
both zygotic and gametic meiosis
Score =
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Mitosis and Meiosis Worksheet on Chromosome and Chromatid number (DNA molecule)

This worksheet is designed to check your understanding about the change in chromosome and chromatid number in different stages of mitosis and meiosis. If you find any difficulty, refer this post
Mitosis and Meiosis Worksheet on Chromosome and Chromatid number (DNA molecule)
For answer see this post

Number of chromosomes and chromatids in each stage of Mitosis and Meiosis PDF

This worksheet is designed to check your understanding about the change in chromosome and chromatid number in different stages of mitosis and meiosis. If you find any difficulty, refer this post
Mitosis and Meiosis Worksheet on Chromosome and Chromatid number (DNA molecule)
For answer see this post

Number of chromosomes and chromatids in each stage of Mitosis and Meiosis PDF

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Multiple Choice Quiz on Plant Systematics

This quiz is designed to make you aware some "Plant Systematics"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Plant Systematics

1. The term 'taxonomy' was coined by
Linnaeus
A P de Candolle
Turill
Julian Huxley
2. New name of family 'Guttiferae'
Clusiaceae
Apiaceae
Umbelliferae
Compositae
3. John Ray gave
Biological concept
Typological concept
Species concept
none of these
4. Specimen used for original publication by the author is
Syntype
Isotype
Holotype
Lectotype
5. System of classification used by Linnaeus was
natural system
artificial system
phylogenetic system
none of these
6. Two similar holotypes are called
Syntype
Lectotype
Isotype
Holotype
7. Size of herbarium sheet standard
41.25 x 28.75 cms
21.25 x 28.75 cms
28.25 x 28.75 cms
31.25 x 28.75 cms
8. Binomial system of nomenclature for plants is effective from
1.5.1753
5.8.1758
5.7.1758
1.5.1573
9. Karyotaxonomy is based on
organic evolution
chemotaxonomy
morphological characters
number of chromosomes
10. Which is correct?
MANGIFERA INDICA
mangifera indica
Mangifera indica
Mangifera Indica
Score =
Correct answers:
This quiz is designed to make you aware some "Plant Systematics"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Plant Systematics

1. The term 'taxonomy' was coined by
Linnaeus
A P de Candolle
Turill
Julian Huxley
2. New name of family 'Guttiferae'
Clusiaceae
Apiaceae
Umbelliferae
Compositae
3. John Ray gave
Biological concept
Typological concept
Species concept
none of these
4. Specimen used for original publication by the author is
Syntype
Isotype
Holotype
Lectotype
5. System of classification used by Linnaeus was
natural system
artificial system
phylogenetic system
none of these
6. Two similar holotypes are called
Syntype
Lectotype
Isotype
Holotype
7. Size of herbarium sheet standard
41.25 x 28.75 cms
21.25 x 28.75 cms
28.25 x 28.75 cms
31.25 x 28.75 cms
8. Binomial system of nomenclature for plants is effective from
1.5.1753
5.8.1758
5.7.1758
1.5.1573
9. Karyotaxonomy is based on
organic evolution
chemotaxonomy
morphological characters
number of chromosomes
10. Which is correct?
MANGIFERA INDICA
mangifera indica
Mangifera indica
Mangifera Indica
Score =
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Photosynthesis Practice Test

This Photosynthesis interactive practice test is designed to assess your deep understanding about 'PhotosynthesisChoose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers. See the short notes on Steps in Photosynthesis.
Photosynthesis Practice Test
1. In photosynthesis, light energy is converted to
mechanical energy
electrical enrgy
chemical energy
thermal energy
2. The principal pigment in plants, algae and cyanobacteria which serves as reaction center molecule is
chlorophyll a
chlorophyll a and b
chlorophyll b
phycocyanin
3. Oxygen evolved during photosynthesis comes from
CO2
H2O
Chlorophyll
Both a and b
4. The site of light dependent and light independent reaction of photosynthesis is
chloroplast and mitochondria respectively
cytoplasm and chloroplast respectively
thylakoid membrane and stroma respectively
grana and mitochondria respectively
5. In light dependent reaction of photosynthesis, energy of sunlight is trapped and used for the synthesis of
glucose
ATP and NADH
ATP and NADPH
glucose and ATP
6. How many CO2 molecule is required to make one glucose molecule in Calvin cycle?
2
4
6
8
7. In non-cyclic photophosphorylation, the electron deficiency in PSII is made up by the electrons supplied by
NADPH
H2O splitting
CO2 splitting
both b and c
8. How many ATP and NADPH is utilized for the synthesis of one molecule of glucose?
18 ATP and 12 NADPH
12 ATP and 12 NADPH
12 ATP and 6 NADPH
18 ATP and 18 NADPH
9. In light reaction, ATP synthesis by ATP synthase is favored by
low concentration of H2O in stroma and high concentration of H+ in thylakoid lumen
high concentration of H2O in stroma and low concentration of H+ in thylakoid lumen
high concentration of H+ in stroma and low concentration of H+ in thylakoid lumen
low concentration of H+ in stroma and high concentration of H+ in thylakoid lumen
10. The most abundant protein on earth is RUBISCO which catalyses the reaction between
Ribulose 1,5-biphosphate and O2
Ribulose 1,5-biphosphate and 3-phosphoglyceraldehyde
Ribulose 1,5-biphosphate and CO2
Ribulose 1,3-biphosphate and CO2
Score =
Correct answers:

This Photosynthesis interactive practice test is designed to assess your deep understanding about 'PhotosynthesisChoose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers. See the short notes on Steps in Photosynthesis.
Photosynthesis Practice Test
1. In photosynthesis, light energy is converted to
mechanical energy
electrical enrgy
chemical energy
thermal energy
2. The principal pigment in plants, algae and cyanobacteria which serves as reaction center molecule is
chlorophyll a
chlorophyll a and b
chlorophyll b
phycocyanin
3. Oxygen evolved during photosynthesis comes from
CO2
H2O
Chlorophyll
Both a and b
4. The site of light dependent and light independent reaction of photosynthesis is
chloroplast and mitochondria respectively
cytoplasm and chloroplast respectively
thylakoid membrane and stroma respectively
grana and mitochondria respectively
5. In light dependent reaction of photosynthesis, energy of sunlight is trapped and used for the synthesis of
glucose
ATP and NADH
ATP and NADPH
glucose and ATP
6. How many CO2 molecule is required to make one glucose molecule in Calvin cycle?
2
4
6
8
7. In non-cyclic photophosphorylation, the electron deficiency in PSII is made up by the electrons supplied by
NADPH
H2O splitting
CO2 splitting
both b and c
8. How many ATP and NADPH is utilized for the synthesis of one molecule of glucose?
18 ATP and 12 NADPH
12 ATP and 12 NADPH
12 ATP and 6 NADPH
18 ATP and 18 NADPH
9. In light reaction, ATP synthesis by ATP synthase is favored by
low concentration of H2O in stroma and high concentration of H+ in thylakoid lumen
high concentration of H2O in stroma and low concentration of H+ in thylakoid lumen
high concentration of H+ in stroma and low concentration of H+ in thylakoid lumen
low concentration of H+ in stroma and high concentration of H+ in thylakoid lumen
10. The most abundant protein on earth is RUBISCO which catalyses the reaction between
Ribulose 1,5-biphosphate and O2
Ribulose 1,5-biphosphate and 3-phosphoglyceraldehyde
Ribulose 1,5-biphosphate and CO2
Ribulose 1,3-biphosphate and CO2
Score =
Correct answers:

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DNA Replication Diagram Quiz

This labelled diagram quiz on DNA replication is designed to assess your basic knowledge in DNA replicationChoose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers. See the short notes on Steps in DNA replication.
DNA Replication Diagram Quiz
1. Name the protein labelled 1 which is involved in preventing the renaturation of separated strands during DNA replication
SSB
DnaA
Helicase
primase
2. Once the initiator protein, DnaA binds to the ori, the enzyme that unwinds DNA; labelled 2 is
polymerase
ligase
helicase
nuclease
3. The DNA directed RNA polymerase labelled 3 that is required to initiate strand synthesis by forming a primer with free 3'OH end is
polymerase
DNA primase
initiator enzyme
primase
4. The primer synthesized by primase enzyme labelled 4 is a
DNA primer
RNA primer
both DNA and RNA
Some times RNA sometimes DNA
5. Identify the enzyme labelled 5 which relax the supercoiling stress induced by unwinding of helicase by making temporary single stranded nicks is
primase
topoisomerase I
topoisomerase II
ligase
6. In prokaryotes, the elongation of leading stand is carried out by the enzyme labelled 6 is
RNA polymerase
DNA polymerase I
DNA polymerase III
Primase
7. During DNA replication, lagging strand is synthesized as short fragments of nucleotides; labelled 7 is
primer
Okazaki fragment
klenow fragment
lagging fragment
8. RNA primers of lagging strand is replaced with DNA by the enzyme labelled 8 is
proof reading enzyme
DNA polymerase I
DNA polymerase III
reverse transcriptase
9. Identify the enzyme labelled 9 called as molecular glue that joins the okazaki fragments by forming phosphodiester bond is
ligase
helicase
primase
phosphodiesterase
10. During DNA replication, the strand that is synthesized continuously labelled 10 is called the
continuous strand
leading strand
uninterrupted strand
ongoing strand
11. The strand labelled 11 is formed of many short fragments which are synthesized discontinuously is the
interrupted strand
broken strand
disconnected strand
lagging strand
Score =
Correct answers:
This labelled diagram quiz on DNA replication is designed to assess your basic knowledge in DNA replicationChoose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers. See the short notes on Steps in DNA replication.
DNA Replication Diagram Quiz
1. Name the protein labelled 1 which is involved in preventing the renaturation of separated strands during DNA replication
SSB
DnaA
Helicase
primase
2. Once the initiator protein, DnaA binds to the ori, the enzyme that unwinds DNA; labelled 2 is
polymerase
ligase
helicase
nuclease
3. The DNA directed RNA polymerase labelled 3 that is required to initiate strand synthesis by forming a primer with free 3'OH end is
polymerase
DNA primase
initiator enzyme
primase
4. The primer synthesized by primase enzyme labelled 4 is a
DNA primer
RNA primer
both DNA and RNA
Some times RNA sometimes DNA
5. Identify the enzyme labelled 5 which relax the supercoiling stress induced by unwinding of helicase by making temporary single stranded nicks is
primase
topoisomerase I
topoisomerase II
ligase
6. In prokaryotes, the elongation of leading stand is carried out by the enzyme labelled 6 is
RNA polymerase
DNA polymerase I
DNA polymerase III
Primase
7. During DNA replication, lagging strand is synthesized as short fragments of nucleotides; labelled 7 is
primer
Okazaki fragment
klenow fragment
lagging fragment
8. RNA primers of lagging strand is replaced with DNA by the enzyme labelled 8 is
proof reading enzyme
DNA polymerase I
DNA polymerase III
reverse transcriptase
9. Identify the enzyme labelled 9 called as molecular glue that joins the okazaki fragments by forming phosphodiester bond is
ligase
helicase
primase
phosphodiesterase
10. During DNA replication, the strand that is synthesized continuously labelled 10 is called the
continuous strand
leading strand
uninterrupted strand
ongoing strand
11. The strand labelled 11 is formed of many short fragments which are synthesized discontinuously is the
interrupted strand
broken strand
disconnected strand
lagging strand
Score =
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Quiz on Amino acid Properties

This quiz is designed to assess your basic knowledge about ‘amino acid properties’ with questions like which of the amino acid is a alpha helix breaker? Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers.
Quiz on Amino acid Properties
1. Which of the the following amino acid is a 'alpha helix breaker'?
alanine
phenyl alanine
proline
histidine
2. Generally, naturally occurring amino acids are
D type
L type
Both D and L type
none of these
3. Which of the following amino acid is a good buffer at pH 7?
glycine
histidine
arginine
asparagine
4. Neurotransmitter serotonin is synthesized from the amino acid
glycine
tryptophan
valine
histidine
5. The most abundant amino acid in collagen is
proline
glycine
hydroxyproline
arginine
6. Melanin is synthesized by the oxidation of amino acid
tyrosine
threonine
phenylalanine
tryptophan
7. Gamma-Amino Butyric acid (GABA, inhibitory neurotransmitter in brain is synthesized from
aspartate
glutamate
asparagine
serine
8. Amino acids that does not undergo transamination include
lysine
threonine
proline
all of the these
9. Which of the following statement is false about glycine?
simplest amino acid
optically active
inhibitory neurotransmitter
alpha helix breaker
10. All the following amino acids are involved in glycosylation except
serine
threonine
asparagine
alanine
Score =
Correct answers:
This quiz is designed to assess your basic knowledge about ‘amino acid properties’ with questions like which of the amino acid is a alpha helix breaker? Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers.
Quiz on Amino acid Properties
1. Which of the the following amino acid is a 'alpha helix breaker'?
alanine
phenyl alanine
proline
histidine
2. Generally, naturally occurring amino acids are
D type
L type
Both D and L type
none of these
3. Which of the following amino acid is a good buffer at pH 7?
glycine
histidine
arginine
asparagine
4. Neurotransmitter serotonin is synthesized from the amino acid
glycine
tryptophan
valine
histidine
5. The most abundant amino acid in collagen is
proline
glycine
hydroxyproline
arginine
6. Melanin is synthesized by the oxidation of amino acid
tyrosine
threonine
phenylalanine
tryptophan
7. Gamma-Amino Butyric acid (GABA, inhibitory neurotransmitter in brain is synthesized from
aspartate
glutamate
asparagine
serine
8. Amino acids that does not undergo transamination include
lysine
threonine
proline
all of the these
9. Which of the following statement is false about glycine?
simplest amino acid
optically active
inhibitory neurotransmitter
alpha helix breaker
10. All the following amino acids are involved in glycosylation except
serine
threonine
asparagine
alanine
Score =
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Diagram Quiz on Bacteriophage

This quiz is designed to assess your basic knowledge in ‘bacteriophage’. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers.
Bacteriophage diagram quiz
1. Viruses that attack bacteria are called
viroids
bacterecides
bacteriophages
prions
2. The genetic material of the phage is present in this region. The region labelled 1 is the
tail region
head region
head and neck region
collar region
3. The region labelled 2 is involved in injecting genetic material to the host. The region is
tail region
head region
head and neck region
collar region
4. The region labelled 3 is where
DNA is present
protein is present
RNA is present
Either DNA or RNA is present
5. The genetic material of the phage is surrounded by, labelled 4 is
protein coat called virion
protein coat called capsid
glycoprotein envelope
glycolipid envelope
6. The region labelled 5 connects the head to the tail which is the
neck with collar
connector
tail plate
whiskers
7. In T4 phages, the structure labelled 6 has contractile proteins that injects genetic material to the host is
whiskers
collar
tail sheath
base plate
8. The structure labelled 7 that helps in the attachment of phage to the host which is the
base plate
tail plate
tail whiskers
pins
9. The structure labelled 8 attach to specific receptors on the bacterial cell. This structure that determines the host specificity of the phage is
tail plate
tail fibers
base plate
tail pins
10. The structure 7, 8 and 9 helps in attachment of phage to host surface. The structure labelled 9 is
tail hooks
tail pins
tail fibres
tail sheath
Score =
Correct answers:
This quiz is designed to assess your basic knowledge in ‘bacteriophage’. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking ' Score'.  Percentage score will be displayed along with right answers.
Bacteriophage diagram quiz
1. Viruses that attack bacteria are called
viroids
bacterecides
bacteriophages
prions
2. The genetic material of the phage is present in this region. The region labelled 1 is the
tail region
head region
head and neck region
collar region
3. The region labelled 2 is involved in injecting genetic material to the host. The region is
tail region
head region
head and neck region
collar region
4. The region labelled 3 is where
DNA is present
protein is present
RNA is present
Either DNA or RNA is present
5. The genetic material of the phage is surrounded by, labelled 4 is
protein coat called virion
protein coat called capsid
glycoprotein envelope
glycolipid envelope
6. The region labelled 5 connects the head to the tail which is the
neck with collar
connector
tail plate
whiskers
7. In T4 phages, the structure labelled 6 has contractile proteins that injects genetic material to the host is
whiskers
collar
tail sheath
base plate
8. The structure labelled 7 that helps in the attachment of phage to the host which is the
base plate
tail plate
tail whiskers
pins
9. The structure labelled 8 attach to specific receptors on the bacterial cell. This structure that determines the host specificity of the phage is
tail plate
tail fibers
base plate
tail pins
10. The structure 7, 8 and 9 helps in attachment of phage to host surface. The structure labelled 9 is
tail hooks
tail pins
tail fibres
tail sheath
Score =
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Diagram Quiz on Photosynthetic Pigments

This quiz is designed to assess your  understanding about the "Photosynthetic Pigments"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
photosynthetic pigments structure quiz

1. The long hydrocarbon chain that forms the tail of Chlorophyll molecule labelled A is called the
pyrole tail
phytol tail
phenol tail
tetrapyrole
2. The head region labeled B of chlorophyll is tetrapyrole ring which is also called as
porphyrin head
phytol head
N2 head group
methane head group
3. The metal ion labelled C located at the center of tetrapyrole ring of the chlorophyll molecule is
Calcium
Manganese
Magnesium
Zinc
4. The side group of the primary pigment in plants,chlorophyll-a labelled D is
OH group
-CH3 group
-COOH group
-CHO group
5. Identify the structure labelled E, a photosynthetic pigment in prokaryote
Phycocyanin
Phycoerythrin
phaeophytin
bacteriochlorophyll
6. The accessory pigment that are red or orange colored hydrocarbons labelled F is
Chlorophyll b
carotene
xanthophyll
lutein
7. The accessory pigment that are brown or yellow colored oxygenated hydrocarbons labelled G is
phaeophytin
carotene
xanthophyll
phycocyanin
8. The accessory pigment in red algae and blue green algae labelled H is
phycoerythrin
phycocyanin
bacteriochlorophyll
chlorophyll D
9. The side group of the accessory pigment in plants,chlorophyll-b labelled D is
OH group
-CH3 group
-CHO group
-COOH group
10. Xanthophyll is different from carotene in having
O2
N2
H2
Mg
Score =
Correct answers:
This quiz is designed to assess your  understanding about the "Photosynthetic Pigments"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
photosynthetic pigments structure quiz

1. The long hydrocarbon chain that forms the tail of Chlorophyll molecule labelled A is called the
pyrole tail
phytol tail
phenol tail
tetrapyrole
2. The head region labeled B of chlorophyll is tetrapyrole ring which is also called as
porphyrin head
phytol head
N2 head group
methane head group
3. The metal ion labelled C located at the center of tetrapyrole ring of the chlorophyll molecule is
Calcium
Manganese
Magnesium
Zinc
4. The side group of the primary pigment in plants,chlorophyll-a labelled D is
OH group
-CH3 group
-COOH group
-CHO group
5. Identify the structure labelled E, a photosynthetic pigment in prokaryote
Phycocyanin
Phycoerythrin
phaeophytin
bacteriochlorophyll
6. The accessory pigment that are red or orange colored hydrocarbons labelled F is
Chlorophyll b
carotene
xanthophyll
lutein
7. The accessory pigment that are brown or yellow colored oxygenated hydrocarbons labelled G is
phaeophytin
carotene
xanthophyll
phycocyanin
8. The accessory pigment in red algae and blue green algae labelled H is
phycoerythrin
phycocyanin
bacteriochlorophyll
chlorophyll D
9. The side group of the accessory pigment in plants,chlorophyll-b labelled D is
OH group
-CH3 group
-CHO group
-COOH group
10. Xanthophyll is different from carotene in having
O2
N2
H2
Mg
Score =
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Quiz on Cancer (Oncology)

Cancer Quiz
This quiz is designed to assess your  understanding about the "Oncology (Cancer)"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.

1. Oncogenes are specific sequences in DNA
That code for reverse transcriptase
when expressed produce cancer
which are tumor markers
trigger off differentiation process
2. All are oncogene products, except
Growth factors
Tyrosine kinase
Tumor necrosis factor
Interleukin 2
3. Oncogenes may be activated by all,except
promoter insertion
viral infection
reverse transcriptase
mutations in proto oncogene
4. Which is an anticancer drug?
Allopurinol
Acyclovir
6 mercaptopurine
Zidovudine
5. All the following are tumor markers, except
Alpha 1 antitrypsin
Alpha fetoprotein
Tartrate labile acid phosphatase
Regan isozyme of alkaline phosphatase
6. Which malignancy results from the deletion of onco suppressor gene?
Multiple myeloma
Reinoblastoma
Lymphosarcoma
Bronchogenic carcinoma
7. All the following viruses are reported to have oncogenic, except:
Varicella
Human papilloma virus
Hepatitis B virus
Epstein Barr virus
8. Which is true with regard to p53?
it is an oncosuppressor gene product
it is an inducer of heme synthesis
It is an oncogene
none of these
9. All are correct with src oncogene, except:
oncogene product is localized in membrane
src product is a protein kinase that phosphorylates tyrosine
src DNA is seen in tumor tissue; not in normal cells
src gene is part of Rous sarcoma RNA virus
10. Which malignancy results from the deletion of oncosuppressor gene
Bronchogenic carcinoma
Retinoblastoma
Multiple myeloma
Lymphosarcoma
Score =
Correct answers:
Cancer Quiz
This quiz is designed to assess your  understanding about the "Oncology (Cancer)"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.

1. Oncogenes are specific sequences in DNA
That code for reverse transcriptase
when expressed produce cancer
which are tumor markers
trigger off differentiation process
2. All are oncogene products, except
Growth factors
Tyrosine kinase
Tumor necrosis factor
Interleukin 2
3. Oncogenes may be activated by all,except
promoter insertion
viral infection
reverse transcriptase
mutations in proto oncogene
4. Which is an anticancer drug?
Allopurinol
Acyclovir
6 mercaptopurine
Zidovudine
5. All the following are tumor markers, except
Alpha 1 antitrypsin
Alpha fetoprotein
Tartrate labile acid phosphatase
Regan isozyme of alkaline phosphatase
6. Which malignancy results from the deletion of onco suppressor gene?
Multiple myeloma
Reinoblastoma
Lymphosarcoma
Bronchogenic carcinoma
7. All the following viruses are reported to have oncogenic, except:
Varicella
Human papilloma virus
Hepatitis B virus
Epstein Barr virus
8. Which is true with regard to p53?
it is an oncosuppressor gene product
it is an inducer of heme synthesis
It is an oncogene
none of these
9. All are correct with src oncogene, except:
oncogene product is localized in membrane
src product is a protein kinase that phosphorylates tyrosine
src DNA is seen in tumor tissue; not in normal cells
src gene is part of Rous sarcoma RNA virus
10. Which malignancy results from the deletion of oncosuppressor gene
Bronchogenic carcinoma
Retinoblastoma
Multiple myeloma
Lymphosarcoma
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Biochemistry Quiz on Enzymology (Enzymes)

This quiz is designed to assess your understanding about the "Enzymology Basics". Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Enzymology Quiz

1. The enzyme:
increases total energy of activation
increase total energy of the product
decrease the energy of activation
increase the equilibrium constant
2. Co enzymes are:
colloidal protein molecules
different forms of the same enzyme
dialyzable, non ptotrien molecule
structural analongs of an ennyme
3. In enzyme kinetics, Vmax denotes
half the substrate concentration
substrate concnetration
the amount of an active enzyme
quantity of enzyme substrate complex
4. The KM value of an enzyme is:
the total enzyme concentration
The substrate concentration at half maximal velocity
half the substrate concentration at maximal velocity
Dissociation constant of enzyme substrate complex
5. When substrate concentration is equal to Km value:
The reaction is now at equibrillium
Maximum velocity is achieved.
maximum enzyme moleules are taking part in the reaction
Half of the enzyme molecules are bound to the substrate molecules and the other half are free
6. In competitive inhibition:
Km is increased and Vmax is increased
Km is increased and Vmax is normal
Km is decreased and Vmax is normal
Km is decreased and Vmax is increased
7. Allosteric enzymes show all the following characteristics, except:
sigmoid kinetics
binding between substrate and regulatory sites
cooperative binding of the substrate
substrate binding site and regulatory site are different
8. Enzymes synthesized in inactive form are called:
Apoenzymes
coenzymes
proenzymes
none of these
9. A competitive inhibitor will affect the enzyme activity:
Decreasing Km value
increasing Vmax
precipitating the enzyme protein
irreversibly denaturing the enzymes
10. Digestive enzymes belong to the class:
Lysases
Ligases
Hydrolases
oxidoreductases
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This quiz is designed to assess your understanding about the "Enzymology Basics". Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Enzymology Quiz

1. The enzyme:
increases total energy of activation
increase total energy of the product
decrease the energy of activation
increase the equilibrium constant
2. Co enzymes are:
colloidal protein molecules
different forms of the same enzyme
dialyzable, non ptotrien molecule
structural analongs of an ennyme
3. In enzyme kinetics, Vmax denotes
half the substrate concentration
substrate concnetration
the amount of an active enzyme
quantity of enzyme substrate complex
4. The KM value of an enzyme is:
the total enzyme concentration
The substrate concentration at half maximal velocity
half the substrate concentration at maximal velocity
Dissociation constant of enzyme substrate complex
5. When substrate concentration is equal to Km value:
The reaction is now at equibrillium
Maximum velocity is achieved.
maximum enzyme moleules are taking part in the reaction
Half of the enzyme molecules are bound to the substrate molecules and the other half are free
6. In competitive inhibition:
Km is increased and Vmax is increased
Km is increased and Vmax is normal
Km is decreased and Vmax is normal
Km is decreased and Vmax is increased
7. Allosteric enzymes show all the following characteristics, except:
sigmoid kinetics
binding between substrate and regulatory sites
cooperative binding of the substrate
substrate binding site and regulatory site are different
8. Enzymes synthesized in inactive form are called:
Apoenzymes
coenzymes
proenzymes
none of these
9. A competitive inhibitor will affect the enzyme activity:
Decreasing Km value
increasing Vmax
precipitating the enzyme protein
irreversibly denaturing the enzymes
10. Digestive enzymes belong to the class:
Lysases
Ligases
Hydrolases
oxidoreductases
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Diagram Quiz on DNA Structure

This quiz is designed to assess your  understanding about the "DNA structure"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
DNA structure worksheet
1. Identify the termini labelled 1, 2 and 3 of the DNA strand, remember DNA strands are anti-parallel
3', 5', 3'
5'P, 3'OH, 5'P
5'P, 3'P, 5'OH
3'OH, 5'P, 3'OH
2. The building blocks of DNA which comprises of Sugar+ Nitrogenous base + Phosphate group, labelled 4 is
peptide
nucleoside
nucleotide
oligosaccharide
3. Write the correct bases labelled 5, 6 and 7, remember Chargaff's rule
guanine, cytosine and thymine
guanine, cytosine and uracil
Thymine, cytosine and uracil
Thymine, guanine and uracil
4. The bond that connects adjacent nucleotide labelled 8 is
peptide bond
phosphodiester bond
hydrogen bond
glycosidic bond
5. The nitrogenous bases on the two strands of DNA are joined by (labelled 9)
hydrogen bond
phosphodiester bond
covalent bond
glycosidic bond
6. Sugar+ Nitrogenous bases together without phosphate labelled 10 is called
nucleotide
nucleoside
nucleic acid
peptde
7. The negative charge of DNA is due to the residue labelled 11, which is the
Sugar residue
Adenine base
thymine base
phosphate group
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This quiz is designed to assess your  understanding about the "DNA structure"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
DNA structure worksheet
1. Identify the termini labelled 1, 2 and 3 of the DNA strand, remember DNA strands are anti-parallel
3', 5', 3'
5'P, 3'OH, 5'P
5'P, 3'P, 5'OH
3'OH, 5'P, 3'OH
2. The building blocks of DNA which comprises of Sugar+ Nitrogenous base + Phosphate group, labelled 4 is
peptide
nucleoside
nucleotide
oligosaccharide
3. Write the correct bases labelled 5, 6 and 7, remember Chargaff's rule
guanine, cytosine and thymine
guanine, cytosine and uracil
Thymine, cytosine and uracil
Thymine, guanine and uracil
4. The bond that connects adjacent nucleotide labelled 8 is
peptide bond
phosphodiester bond
hydrogen bond
glycosidic bond
5. The nitrogenous bases on the two strands of DNA are joined by (labelled 9)
hydrogen bond
phosphodiester bond
covalent bond
glycosidic bond
6. Sugar+ Nitrogenous bases together without phosphate labelled 10 is called
nucleotide
nucleoside
nucleic acid
peptde
7. The negative charge of DNA is due to the residue labelled 11, which is the
Sugar residue
Adenine base
thymine base
phosphate group
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Multiple Choice Quiz on Vitamins

This quiz is designed to assess your basic knowledge in ‘Vitamins’. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Get score'. Percentage score will be displayed along with right answers.
1. Folic acid and Panthothenic acid are vitamin belonging to group
K
A
B complex
D
2. Richest source of B12
Rice and egg
Chocolate and green grains
Goat liver and Spirulina
Carrot and chicken beast
3. Pellagra is caused due to the deficiency of
Nicotinic acid (Vitamin B3)
Panthothenic acid
Folic acid
Ascorbic acid (Vitamin C)
4. Megaloblastic anaemia is caused due to the deficiency of
Vitamin B12
Vitamin B9
Vitamin B6
Vitamin B2
5. Nyctalopia (Night Blindness) is caused by deficiency of
A
D
E
B12
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This quiz is designed to assess your basic knowledge in ‘Vitamins’. Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Get score'. Percentage score will be displayed along with right answers.
1. Folic acid and Panthothenic acid are vitamin belonging to group
K
A
B complex
D
2. Richest source of B12
Rice and egg
Chocolate and green grains
Goat liver and Spirulina
Carrot and chicken beast
3. Pellagra is caused due to the deficiency of
Nicotinic acid (Vitamin B3)
Panthothenic acid
Folic acid
Ascorbic acid (Vitamin C)
4. Megaloblastic anaemia is caused due to the deficiency of
Vitamin B12
Vitamin B9
Vitamin B6
Vitamin B2
5. Nyctalopia (Night Blindness) is caused by deficiency of
A
D
E
B12
Score =
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Multiple Choice Quiz on Electron Microscope

This quiz is designed to assess your understanding about the "Electron Microscope Basics". Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
POLLEN GRAINS TAKEN ON SEM

1. Which of the following scientists is credited with the invention of the electron microscope and awarded the Nobel Prize for the same?
J.J. Thompson
Ernst Ruska
Louise de Broglie
Otto van Borris
2. Why are thin sections of specimens necessary in Transmission Electron Microscope (TEM)?
Electrons are negatively charged
Electrons have a wave nature
Electrons have no mass
Electrons have a poor penetrating power
3. Osmium tetra oxide is used in electron microscopy as a
Precipitator
Mordant
Staining agent
Fixing agent
4. Which instrument is more useful to study the surface details of a specimen?
Phase contrast Microscope
Scanning Electron Microscope (SEM)
Light Microscope
Transition Electron Microscope(TEM)
5. All of the following are true for both Transition Electron Microscope(TEM) and Scanning Electron Microscope(SEM) except
The illuminating source is an electron beam
The microscope is focused using electromagnetic
Can be used to view specimens smaller than 0.2 micrometers
The specimen must be sectioned prior to viewing
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Read more: SEM vs TEM
This quiz is designed to assess your understanding about the "Electron Microscope Basics". Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
POLLEN GRAINS TAKEN ON SEM

1. Which of the following scientists is credited with the invention of the electron microscope and awarded the Nobel Prize for the same?
J.J. Thompson
Ernst Ruska
Louise de Broglie
Otto van Borris
2. Why are thin sections of specimens necessary in Transmission Electron Microscope (TEM)?
Electrons are negatively charged
Electrons have a wave nature
Electrons have no mass
Electrons have a poor penetrating power
3. Osmium tetra oxide is used in electron microscopy as a
Precipitator
Mordant
Staining agent
Fixing agent
4. Which instrument is more useful to study the surface details of a specimen?
Phase contrast Microscope
Scanning Electron Microscope (SEM)
Light Microscope
Transition Electron Microscope(TEM)
5. All of the following are true for both Transition Electron Microscope(TEM) and Scanning Electron Microscope(SEM) except
The illuminating source is an electron beam
The microscope is focused using electromagnetic
Can be used to view specimens smaller than 0.2 micrometers
The specimen must be sectioned prior to viewing
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Read more: SEM vs TEM
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Multiple Choice Quiz on Plant Biochemistry

This quiz is designed to assess your understanding about the "Plant Biochemistry Basics". Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
1. Amino acid which accumulates as a result of stress
Histidine
Proline
Cysteine
Methionine
2. The biochemical pathway from phosphenol pyruvic acid to tyrosine is commonly called
Hatch and Slack pathway
Glycolate pathway
EMP pathway
Shikimic acid pathway
3. Vincristine and vinblastine are
Phenolics
Saponins
Terpenoids
Alkaloids
4. In aqueous solution glucose exists as a
Pentose
Pyranose
Furanose
None of the above
5. ----- is an example for sulphur containing amino acid
Isoleucine
Glycine
Methionine
All of these
6. One of the following sterols is less prevalent in plants
Cholesterol
Stigmasterol
Sitosterol
Campesterol
7. A linear monomer of D-galactose and 3,6 anhydro-L-galactopyranose is called
Dextran
Agarose
Silica
Acrylamide
8. Inactive precursors of certain proteolytic enzymes
Zymogens
Isozymes
Allozymes
Abzymes
9. The aminoacid that does not participate in transamination
Alanine
Lysine
Tryptophan
Glutamate
10. Which of these is a pentasaccharide sugar
Verbascose
Raffinose
Threose
Stachyose
Score =
Correct answers:
This quiz is designed to assess your understanding about the "Plant Biochemistry Basics". Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
1. Amino acid which accumulates as a result of stress
Histidine
Proline
Cysteine
Methionine
2. The biochemical pathway from phosphenol pyruvic acid to tyrosine is commonly called
Hatch and Slack pathway
Glycolate pathway
EMP pathway
Shikimic acid pathway
3. Vincristine and vinblastine are
Phenolics
Saponins
Terpenoids
Alkaloids
4. In aqueous solution glucose exists as a
Pentose
Pyranose
Furanose
None of the above
5. ----- is an example for sulphur containing amino acid
Isoleucine
Glycine
Methionine
All of these
6. One of the following sterols is less prevalent in plants
Cholesterol
Stigmasterol
Sitosterol
Campesterol
7. A linear monomer of D-galactose and 3,6 anhydro-L-galactopyranose is called
Dextran
Agarose
Silica
Acrylamide
8. Inactive precursors of certain proteolytic enzymes
Zymogens
Isozymes
Allozymes
Abzymes
9. The aminoacid that does not participate in transamination
Alanine
Lysine
Tryptophan
Glutamate
10. Which of these is a pentasaccharide sugar
Verbascose
Raffinose
Threose
Stachyose
Score =
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Multiple Choice Quiz on Paleobotany

This quiz is designed to make you aware some "Paleobotany"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
1. Rhynia belongs to a geological period
Devonian
Permean
Carboniferous
Cambrian
2. Which is known as fossil bryophyte
Riccia fluitans
Marchantia palmata
Marchantia polymorpha
Naiadita lanceolata

3. Birbal Sahni is popularly known as
Mycologist
Paleobotanist
Physiologist
Phycologist
4. Baragwanathia, a fossil pteridophyte was discovered from
Rajmahal hills of Bihar (India)
Silurian beds of Victoria (Austraila)
Rhynie chert beds (Scotland)
Mudstones near Gilboa (New york)
5. "Fossil beehives" is the name associated with fossil
Cycads
Coniferales
Ginkgoales
Bryophytes
6. Link between Isoetales and Carboniferous Lepidodendrales is
Sigilaria
Stigmaria
Pleuromia
Lycopodium
7. 'Gothania' are
Leaf genus of Cordaitales
Monosporangiate cones of Bennettiales
Fructifications of Pteridsperms
Fructifications of Cordaitales
8. Which of the following gymnosperm of Bennettiales (Cycadeodales) was recovered from Rajmahal hills by Prof Birbal Sahni
Sahnia
Williamsonia
Pentoxylon
Heterangium
9. The Gymnosperm known as living fossil and represented worldwide distribution in Jurassic is
Ginkgo
Ephedra
Williamsonia
Lyginopteris
10. Zosterophyllum is a
Fossil algae
Fossil bryophyte
Fossil pteridophyte
Fossil gymnosperms
Score =
Correct answers:

This quiz is designed to make you aware some "Paleobotany"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
1. Rhynia belongs to a geological period
Devonian
Permean
Carboniferous
Cambrian
2. Which is known as fossil bryophyte
Riccia fluitans
Marchantia palmata
Marchantia polymorpha
Naiadita lanceolata

3. Birbal Sahni is popularly known as
Mycologist
Paleobotanist
Physiologist
Phycologist
4. Baragwanathia, a fossil pteridophyte was discovered from
Rajmahal hills of Bihar (India)
Silurian beds of Victoria (Austraila)
Rhynie chert beds (Scotland)
Mudstones near Gilboa (New york)
5. "Fossil beehives" is the name associated with fossil
Cycads
Coniferales
Ginkgoales
Bryophytes
6. Link between Isoetales and Carboniferous Lepidodendrales is
Sigilaria
Stigmaria
Pleuromia
Lycopodium
7. 'Gothania' are
Leaf genus of Cordaitales
Monosporangiate cones of Bennettiales
Fructifications of Pteridsperms
Fructifications of Cordaitales
8. Which of the following gymnosperm of Bennettiales (Cycadeodales) was recovered from Rajmahal hills by Prof Birbal Sahni
Sahnia
Williamsonia
Pentoxylon
Heterangium
9. The Gymnosperm known as living fossil and represented worldwide distribution in Jurassic is
Ginkgo
Ephedra
Williamsonia
Lyginopteris
10. Zosterophyllum is a
Fossil algae
Fossil bryophyte
Fossil pteridophyte
Fossil gymnosperms
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Quiz on Interesting Fungi Facts

This quiz is designed to make you aware some "fascinating facts about fungus"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Quiz on Amazing Fungi facts


1. The most common fungal resident of aeroplane fuel tank is
Penicillium notatum
Cladosporium resinae
Saccharomyces cerevisiae
Cercospora arachidicola
2. Which of the following is the most deadliest mushroom?
Amanita muscaria
Trametes versicolor
Ganoderma lucidum
Amanita phalloides
3. The fungus called as the "Drosophila of the fungal world"
Neurospora crassa
Saccharomyces cerevisiae
Aspergillus flexuosus
Penicillium chrysogenum
4. Irish Potato Famine of 1845–49 which killed more than one million people of Ireland was caused by the fungus
Pythium aphanidermatum
Pythium insidiosum
Phytophthora ramorum
Phytophthora infestans
5.The largest and the oldest living creature on earth is a fungus which covers 3.8 km across and weigh about 605 metric tons is
Armillaria ostoyae
Armillaria mellea
Armillaria borealis
A. luteobubalina
6. The fastest accelerating organism on Earth is a Fungus which happens during its spore dispersal. The fungus is
Pythium
Pilobolus
Phytophthora
Peziza
7. Which of the following is a bioluminescent (can glow in dark) fungus?
Amanita muscaria
Agaricus bisporus
Armillaria borealis
Panellus stipticus
8. The fungus behind the Roquefort cheese; one of the world's best known blue cheeses is
Saccharomyces
Aspergillus
Penicillium
Alternaria
9. Ergot alkaloids like ergotamine which is widely used as a medicine is obtained from
Rhizopus
Mucor
Claviceps
Cercospora
10. Which of the following is a symbiotic association of fungus with roots of higher plants?
Lichen
mycorrhiza
Sclerotia
All of these
Score =
Correct answers:
This quiz is designed to make you aware some "fascinating facts about fungus"Choose the best answer from the four options given. When you've finished answering as many of the questions as you can, scroll down to the bottom of the page and check your answers by clicking 'Score'. Percentage score will be displayed along with right answers.
Quiz on Amazing Fungi facts


1. The most common fungal resident of aeroplane fuel tank is
Penicillium notatum
Cladosporium resinae
Saccharomyces cerevisiae
Cercospora arachidicola
2. Which of the following is the most deadliest mushroom?
Amanita muscaria
Trametes versicolor
Ganoderma lucidum
Amanita phalloides
3. The fungus called as the "Drosophila of the fungal world"
Neurospora crassa
Saccharomyces cerevisiae
Aspergillus flexuosus
Penicillium chrysogenum
4. Irish Potato Famine of 1845–49 which killed more than one million people of Ireland was caused by the fungus
Pythium aphanidermatum
Pythium insidiosum
Phytophthora ramorum
Phytophthora infestans
5.The largest and the oldest living creature on earth is a fungus which covers 3.8 km across and weigh about 605 metric tons is
Armillaria ostoyae
Armillaria mellea
Armillaria borealis
A. luteobubalina
6. The fastest accelerating organism on Earth is a Fungus which happens during its spore dispersal. The fungus is
Pythium
Pilobolus
Phytophthora
Peziza
7. Which of the following is a bioluminescent (can glow in dark) fungus?
Amanita muscaria
Agaricus bisporus
Armillaria borealis
Panellus stipticus
8. The fungus behind the Roquefort cheese; one of the world's best known blue cheeses is
Saccharomyces
Aspergillus
Penicillium
Alternaria
9. Ergot alkaloids like ergotamine which is widely used as a medicine is obtained from
Rhizopus
Mucor
Claviceps
Cercospora
10. Which of the following is a symbiotic association of fungus with roots of higher plants?
Lichen
mycorrhiza
Sclerotia
All of these
Score =
Correct answers:
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