set 1 MCQ Questions & Answers Detailed Explanation

Question : 1

Who among the following invented ‘Gobar Gas’ system?

a) S.V. Desai

b) C.V. Raman

c) J.C. Bose

d) H. Khurana

Question : 2

Which of the following is the procedure for a biogas plant?

a) Hydrogenation

b) Fermentation

c) Reduction

d) Polymerization

Question : 3

Milk is an example of

a) A foam

b) An emulsion

c) A gel

d) A suspension

Question : 4

Consider the following features of newer models of motor cars.

1. Radial tyres
2. Streamlined body
3. Multipoint fuel injection
4. Catalytic converter with exhaust

a) 2, 3 and 4

b) 1 and 2

c) 2 and 3

d) 1, 3 and 4

Question : 5

What is detergent?

a) Medicine

b) Catalyst

c) Soap

d) Refining agent

Question : 6

Which one of the following substances is used in the preservation of food stuff?

a) Potassium Chloride

b) Sodium Benzoate

c) Citric Acid

d) Sodium Chloride