PG TRB Model Question Papers with Answer 2020-21 - 1

Question: 1

Which of the following contains cobalt?

(A) Chlorophyll

(B) Haemoglobin

(C) Vitamin K

(D) Vitamin B₁₂

Question: 2

Which of the following is most elastic?

(A) Steel

(B) Rubber

(C) Glass

(D) Sponge

Question: 3

Sun’s heat reaches earth by which of the following modes of heat transmission?

(A) Heat exchange

(B) Radiation

(C) Conduction

(D) Convection

Question: 4

Which of the following groups of fuels can be classified as processed fuels used for cooking?

(A) Kerosene, Charcoal, L.P.G.

(B) Wood, Kerosene, Charcoal

(C) L.P.G. , Wood, Coal

(D) Charcoal, Kerosene, Coal

Question: 5

Which of the following is used as an insecticide?

(A) Organochlorine

(B) Pyrethrin

(C) Carbamate

(D) Organophosphate