Multiple Choice Quiz on DNA

This quiz is designed to assess your basic knowledge in ‘DNA'. Questions come under ‘easy’ category. 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. The sugar in DNA is
2. The building blocks of DNA is called
3. DNA and RNA are
nucleic acids
Both a and b
4. Which of the following is the genetic material
both a and b
RNA, DNA and proteins
5. A nucleotide consists of
Sugar, phosphate and amino acids
glucose, phosphate and aminoacids
sugar, phosphate and nitrogenous base
sugar, phosphate and lipids
6. Which of the following statement is incorrect regarding DNA
DNA is the genetic material in all organisms
DNA is the only genetic material in viruses
DNA is the only genetic material in bacterium
all of these
7. Purines are
single ringed structures
two ringed structures
three ringed structures
multi ringed structures
8. According to Watson and Crick DNA model, DNA is a
depends on the environment
single stranded structure
double helix
triple helix
9. Purines include
Adenine and guanine
Thymine and cytosine
Adenine and thymine
cytosine and guanine
10. Which of the following is incorrect regarding pyrimidines
cytosine and thymine are the pyrimidines
pyrimidines are one ringed structures
pyrimidines are two ringed structures
pyramidines always bond with purines
Score =
Correct answers:
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