Question 1

A ribose (but not deoxyribose) nucleotide is:

Accepted Answer

Correct answer is D

Question 2

DNA is present in:

Accepted Answer

Correct answer is D

Question 3

See the following figure and identify the correct combination.

Accepted Answer

Correct answer is C

Question 4

Given below is the diagrammatic representation of one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one blank component "X" in it.

Accepted Answer

Correct answer is D

Question 5

DNA is a polymer of:

Accepted Answer

Correct answer is A

Question 6

How many nucleotides are present in one turn of DNA helix?

Accepted Answer

Correct answer is C

Question 7

ATP is:

Accepted Answer

Correct answer is C

Question 8

Which of the following is correct pair of pyrimidine bases?

Accepted Answer

Correct answer is C

Question 9

Thymine is a:

Accepted Answer

Correct answer is C

Question 10

Name the elements which occur in nucleic acid macromolecule.

Accepted Answer

Correct answer is D

Question 11

Nucleoside is made up of:

Accepted Answer

Correct answer is D

Question 12

Strands of DNA are bonded by:

Accepted Answer

There is double hydrogen bond between adenine and thymine (A=T) and triple bond between cytosine and guanine (C≡G).

Question 13

RNA and ATP contains:

Accepted Answer

Correct answer is D

Question 14

Nucleic acid occurs in:

Accepted Answer

Correct answer is D

Question 15

Which of the following is not a pyrimidine?

Accepted Answer

Correct answer is C

Question 16

DNA is not present in one of the following.

Accepted Answer

Because plant viruses have RNA as genetic material.

Question 17

DNA strands are antiparallel because of the presence of:

Accepted Answer

The two strands of DNA molecules run in opposite or antiparallel direction due to presence of hydrogen bond because two base i.e. one in each chain of DNA molecule, joined together by hydrogen bonds.

Question 18

Examine the following figures and select the right answer in which diagrammatic representation of a nucleotide is correctly shown.

Accepted Answer

Correct answer is A

Question 19

Which of the following bases is present in RNA in place of thymine?

Accepted Answer

Correct answer is A

Question 20

Nucleic acids were discovered by:

Accepted Answer

Correct answer is D

Filters

Filters

class

subject

topic

concept

difficulty

Solution for Class 11, Biology, Biomolecules

Found the solution, but did not understand the concept?

Ask my first question