set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

In case of incomplete dominance the monohybrid ratio of phenotypes in F2 generation is

a) 3 : 1 : 1

b) 9 : 3 : 3 : 1

c) 1 : 2 : 1

d) 2 : 3 : 1

Question : 2

Consider the following statements :

1. Allosomes, are chromosome which are responsible for determination of sex, e.g., X and Y-chromosomes.
2. Autosomes, are chromosomes, which determine the somatic characters.

a) 1 and 2

b) 2 only

c) 1 only

d) None

Question : 3

Fossils are

a) Remains of plants and animals that are still surviving

b) Remains of deadly plants and animals that are extinct

c) Both (a) & (b) 

d) None of the above

Question : 4

Modern man evolved from

a) Neanderthal man

b) Java man

c) Peking man

d) cro-magnon man

Question : 5

Which one of the following pairs of nitrogenous bases of nucleic acids, is wrongly matched with the category mentioned against it?

a) Uracil, Cytosine - Pyrimidines

b) Guanine, Adenine - Purines

c) Thymine, Uracil - Pyrimidines

d) Adenine, Thymine - Purines

Question : 6

Match List-I with List-II :

a) 4 3 2 1

b) 3 4 1 2

c) 4 3 1 2

d) 3 4 2 1