AEES 2022 PRT
EVS Previous Year Paper
with Solution Part 3
Ques 21 The human species has genetic roots in
(a) America
(b) Africa
(c) Australia
(d) Antarctica
Ans- (b) Africa
Ques 22 Which of the following elements is not present in stainless steel?
(a) Iron
(b) Tungsten
(c) Chromium
(d) Nickel
Ans- (b) Tungsten
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Ques 23 Which of the following can’t be used to make a solar cell?
(a) Silicon
(b) Platinium
(c) Gallium
(d) Germanium
Ans- (b) Platinium
Ques 24 Which of the following is not associated with Fleming’s left hand rule?
(a) Resistance
(b) Magnetic field
(c) Force
(d) Current
Ans- (a) Resistance
Ques 25 The frequency of direct current is
(a) Zero
(b) 50 Hz
(c) 60 Hz
(d) 100 Hz
Ans- (a) Zero
Ques 26 Every hot object emits
(a) X-rays
(b) infra-red rays
(c) visible rays
(d) none of these
Ans- (b) infra-red rays
Ques 27 Thyroid glands is located:
(a) near the heart
(b) at the base of the brain
(c) in the neck region
(d) between stomach and duodenum
Ans- (c) in the neck region
Ques 28 Name the gas which turns fat and oil containing foods rancid?
(a) hydrogen
(b) oxygen
(c) nitrogen
(d) carbon dioxide
Ans- (c) nitrogen
Ques 29 In the equation:
nitric acid is acting as
(a) an oxidising agent
(b) an acid
(c) a nitrating agent
(d) a dehydrating agent
Ans- (b) an acid
Ques 30 A dynamo converts
(a) mechanical energy into sound energy
(b) mechanical energy into electric energy
(c) electrical energry into mechanical energy
(d) electrical energy into sound energy
Ans- (b) mechanical energy into electric energy