set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following is not caused by deficiency of mineral nutrition?

a) Chlorosis

b) Etiolation

c) Necrosis

d) Shortening of internodes

Question : 2

Universal blood recipient is

a) blood group AB

b) blood group O

c) blood group A

d) blood group B

Question : 3

Which of the following is an epidermal cell

a) Root hairs

b) Guard cells

c) Trichome

d) All of these

Question : 4

Ethylene gas is used for

a) delaying fruit’s abscission.

b) ripening of fruits.

c) growth of plants.

d) stopping the leaf abscission.

Question : 5

Consider the following statements:

1. Flowering plants are grouped under phanerogams.
2. Non-flowering plants are grouped in cryptogams.

a) 1 and 2

b) 1 only

c) 2 only

d) None

Question : 6

Which one is not a reflex action?

a) Release of saliva on seeing sweets

b) Closing of eye lids against fricking

c) Perspiration due to heat

d) Obeying the order to run