set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following groups of plants play an important role in plant succession on bare rocks/soil?

a) Pteridophytes

b) Algae

c) Bryophytes

d) Gymnosperms

Question : 2

Which one of the following represents a test cross ?

a) Ww × Ww

b) Ww × ww

c) Ww × WW

d) WW × WW

Question : 3

Which of the following class of algae mostly found in salt water?

a) Chlorophyceae

b) Phaeophyceae

c) Rhodophyceae

d) Both (a) and (b)

Question : 4

Which is not a stem modification ?

a) Pitcher of Nepenthes

b) Rhizome of ginger

c) Corm of Colocasia

d) Tuber of potato

Question : 5

Consider the following statements :

1. Sickle cell anaemia is a genetic disease common in tropical and sub-tropical countries.
2. Sickle-cell anaemia is due to mutation in β-globulin gene.
3. Due to the sickle-shaped RBCS oxygen carrying capacity of the haemoglobin decreases.

a) 2 and 3

b) 1, 2 and 3

c) 1 only

d) 3 only

Question : 6

Which of the following is not a bird?

a) Kiwi

b) Bat

c) Emu

d) Ostrich