pedology or soil & agriculture section 3 MCQ Questions & Answers Detailed Explanation

Question : 1

What is the rank of India in silk production in the world?

a) Third

b) Fourth

c) First

d) Second

Question : 2

Which one of the following countries exports highest percentage of its sugar production?

a) Mexico

b) China

c) India

d) Mauritius

Question : 3

Which of the following adds/add nitrogen to the soil?

1. Excretion of urea by animals
2. Burning of coal by man
3. Death of vegetation

a) Only 1 and 3

b) 1, 2 and 3

c) Only 1

d) Only 2 and 3

Question : 4

Salination of soil is caused by

a) excess irrigation

b) crop rotation

c) pesticides

d) soil erosion

Question : 5

Which group of minerals represents non-ferrous metals?

a) Copper, Pig iron, Nickel, Steel

b) Nickel, Carbon Steel, Aluminium, Zinc

c) Nickel, Zinc, Copper, Aluminium

d) Nickel, Aluminium, Iron-ore, Zinc

Question : 6

Two largest producers of beets in the world are

a) Germany and the U.S.A.

b) Turkey and Ukraine

c) Belgium and China

d) France and Russia