Question : Crop rotation helps to

Option 1: lessen use of pesticides

Option 2: eliminate parasites which have selective hosts

Option 3: yield more crops

Option 4: produce a greater choice of plant products

Question : Who said that " the power of population is infinitely greater than the power in the earth to produce subsistence" ? 

Option 1: A. Lewis

Option 2: A. Marshall 

Option 3: Simon - Kuznets

Option 4: Malthus

Question : Select the most appropriate option to substitute the underlined segment in the given sentence.

Ravindra has left the friends' meeting saying that he has bigger fish to catch to cook.

Option 1: he has mutton to cook

Option 2: he has bigger fish to fry

Option 3: he has bigger beef to eat

Option 4: he has big chicken to fry

Question : Which of the plant products is used in leather industry?

Option 1: Resin

Option 2: Mucilage

Option 3: Latex

Option 4: Tannin

Question : Which is greater $\sqrt[3]{2}$ or $\sqrt{3}$?

Option 1: Cannot be compared.

Option 2: $\sqrt[3]{2}$

Option 3: $\sqrt{3}$

Option 4: Both are equal.