set 4 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following does not contain chlorophyll?

a) Bryophyta

b) Fungi

c) Algae

d) Pteridophyta

Question : 2

Which one of the following groups of animals is correctly matched with its one characteristic feature without even a single exception ?

a) Chondrichthyes : possess cartilagious endoskeleton

b) Reptilia : possess 3 - chambered heart with one incompletely divided ventricle

c) Chordata : possess a mouth provided with an upper and lower jaw

d) Mammalia : give birth to young one.

Question : 3

Mammoth is the ancestor of

a) Camel

b) Dog

c) Horse

d) Elephant

Question : 4

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 : 5

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 : 6

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