set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Who was the first to describe that species is the unit of classification?

a) Huxley

b) John Ray

c) Linnaeus

d) Candolle

Question : 2

The number of chromosomes pairs, found in the cells of human body is

a) 22

b) 23

c) 21

d) 24

Question : 3

The chromosome number in humans is

a) 23

b) 94

c) 46

d) 22

Question : 4

Which one among the following groups of animals maintains constant body temperature in changing environmental conditions?

a) Fishes

b) Birds

c) Amphibians

d) Reptiles

Question : 5

The generic name of mango is

a) Helminthosporium oryzae

b) Mangifera indica

c) Solanum tuberosum

d) Lycopersicon esculentum

Question : 6

Which phase of cell cycle is known as quiescent stage ?

a) G0 phase

b) M phase

c) G1 phase

d) S phase