set 5 MCQ Questions & Answers Detailed Explanation

Question : 1

The number of autosomes in human female ovum is

a) 12

b) 22

c) 11

d) 23

Question : 2

Consider the following statements :

1. Genetic code is the sequence of nucleotide bases in mRNA encoding the information for protein synthesis; which determines sequence of amino acids in proteins.
2. The genetic code is triplet.
3. Holley, Nirenberg and Khurana got Nobel Prize for decoding genetic information.

a) 1 and 2

b) 2 only

c) 1 only

d) 2 and 3

Question : 3

With reference to soil conservation, consider the following practices :

1. Crop rotation
2. Sand fences
3. Terracing
4. Wind breaks

a) 1, 3 and 4 only

b) 1, 2, and 3 only

c) 2 and 4 only

d) 1, 2, 3 and 4

Question : 4

Which of the following animal is not a insect ?

a) Beetle

b) Ticks

c) Honey bee

d) Wasp

Question : 5

The kind of evolution in which two species of different geneology come to resemble one another closely, is termed as

a) convergent evolution

b) parallel evolution

c) progressive evolution

d) retrogressive evolution