set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

This is not a biotic agent for oiling crops.

a) insects

b) moisture

c) rodents

d) fungi

Question : 2

Dams are used for

1. irrigation
2. stopping the rainwater from flowing away.
3. decreasing chances of soil erosion.
4. increasing groundwater level.

a) A, C & D

b) B, C & D

c) A, B & C

d) all these.

Question : 3

Consider the following statements about probiotic food:

1. Probiotic food contains live bacteria which are considered beneficial to humans.
2. Probiotic food helps in maintaining gut flora.

a) Both 1 and 2

b) 2 only

c) 1 only

d) Neither 1 nor 2

Question : 4

Which one among the following cattle breed produces highest amount of milk ?

a) Dutch belted

b) Holstein

c) Brown Swiss

d) Blaarkop

Question : 5

The cheapest high energy fruit crop of India is

a) Apple

b) Guava

c) Banana

d) Mango

Question : 6

Which of the following rotation of crops will reduce dependence on the use of chemical fertilizers?

a) Potato and Rice

b) Wheat and Potato

c) Rice and Chilli

d) Gram and Rice