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
Ans: D
Vitamin B12
Question: 2
Which of the following is most elastic?
(A) Steel
(B) Rubber
(C) Glass
(D) Sponge
Ans: A
Steel
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
Ans: B
Radiation
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
Ans: A
Kerosene, Charcoal, L.P.G.
Question: 5
Which of the following is used as an insecticide?
(A) Organochlorine
(B) Pyrethrin
(C) Carbamate
(D) Organophosphate
Ans:B
Pyrethrin
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