Quiz on Pesticides and Biofertilizers

This quiz is designed to assess your basic knowledge in ‘Pesticides an Biofertilizers’.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. 2,4-D is an effective
weedicide
rodenticide
fungicide
weedicide
2. The biofertilizers are
Anabaena and Azolla
quick growing crop ploughed under soil
cow dung, manure and farmyard waste
all of these
3. Which aquatic fern is used to increase the yield in paddy crop?
Marsilea
Azolla
Salvinia
All of these
4. Bordeaux mixture was discovered by
Watson
Millardet
Harrison
Khorana
5. Which of the following is the pair of biofertilizers?
Rhizobium and grasses
Azolla and BGA
nostoc and Legume
Salmonella and E.coli
6. Which of the following pesticides is an acetylcholinesterase inhibitor?
aldrin
BHC
Endosulphan
Malathion
7. The thurioside is a proteinaceous toxin, which is obtained from
green manure
bacterial origin
biofertilizers
farmyard manure
8. What is agent orange?
Colour used in fluorescent lamps
a weedicide containing dioxin
A biodegradable inseecticide
hazardous chemical used in luminous paints
9. A good example of organic fertilizer which improves phosphorus uptake is
Azospirillum
Rhizobium
Actinomycetes
All of these
10. Pyrethrin is obtained from
Carthamus
Azadirachta
Amaranthus
Chrysanthemum
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