RRB Group D General Science Questions PDF

RRB Group-D General Science Questions PDF
RRB Group-D General Science Questions PDF

RRB Group D General Science Questions PDF

Download Top 20 RRB Group-D General Science Questions and Answers PDF. RRB Group-D General Science questions based on asked questions in previous exam papers very important for the Railway Group-D exam.

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Question 1: Which of the following is a metal?

a) Chlorine

b) Zinc

c) Neon

d) Iodine

e) Hydrogen

Question 2: Which of the following is a food crop?

a) Jute

b) Jatropa

c) Jowar

d) Cotton

e) Tobacco

Question 3: Which of the following is billionth of a second ?

a) Gigabyte

b) terabyte

c) Nanosecond

d) Microsecond

e) Terasecond

Question 4: Which is a natural colloid?

a) Urea

b) Cane-sugar

c) Blood

d) Sodium chloride

Question 5: Silicon is a polymer of

a) Silicon tetrachloride

b) Dialkyl dichloro silane

c) Silane

d) Tetraalkyl silane

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Question 6: Alpha particle is the nucleus of an atom of

a) hydrogen

b) helium

c) oxygen

d) lthium

Question 7: The device used for measuring the wavelength of X-rays is

a) cyclotron

b) bragg spectrometer

c) mass spectrometer

d) GM counter

Question 8: The type of tail found in Shark is

a) homocercal

b) heterocercal

c) diphycercal

d) protocercal

Question 9: A narrow strip of land that connects two larger land masses is called

a) peninsula

b) cape

c) isthmus

d) strait

Question 10: The main factor which determines balance of nature is

a) human activities

b) Rabit and habitat

c) environmental conditions

d) availability of food

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Question 11: The stability of a pond ecosystem depends on

a) micro-organisms and fishes

b) micro-organisms and zoo planktons

c) fishes and reptiles

d) producers and consumers

Question 12: Phenolics as pollutants can be removed from waste water by use of

a) Ion exchange resin technique

b) Electrolyte decomposition technique

c) Reverse osmosis method

d) Polymeric adsorbents

Question 13: A process which is not helpful in the prevention of rusting of iron is

a) annealing

b) applying grease

c) galvanising

d) painting

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Question 14: Amides can be converted to amines by the reaction named

a) Perkin

b) Clasteration

c) Claisen

d) Clemmesen

Question 15: The following is a pseudo-force

a) Centrepetal force

b) Centrifugal reaction force

c) Centrifugal force

d) Strong nuclear force

Question 16: The soil salinity is measured by

a) Conductivity meter

b) Hygrometer

c) Psychrometer

d) Auxanometer

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Question 17: A form of condensation that reduces visibility and causes breathing problems is

a) Dew

b) Frost

c) Smog

d) Mist

Question 18: Lens is made up of

a) Pyrex glass

b) Flint glass

c) Ordinary glass

d) Cobalt glass

Question 19: The phenomenon of light associated with the appearance of blue colour of the sky is

a) Interference

b) Reflection

c) Refraction

d) Scattering

Question 20: Optical fibres are based on the phenomenon of

a) Interference

b) Dispersion

c) Diffraction

d) Total Internal Reflection

General Science Notes for RRB Exams (PDF)

Answers & Solutions:

1) Answer (B)

2) Answer (C)

3) Answer (C)

4) Answer (B)

5) Answer (A)

6) Answer (B)

7) Answer (B)

8) Answer (B)

9) Answer (C)

10) Answer (C)

11) Answer (D)

12) Answer (D)

13) Answer (A)

14) Answer (C)

15) Answer (C)

16) Answer (A)

17) Answer (C)

18) Answer (B)

19) Answer (D)

20) Answer (D)


We hope this General Science Questions for RRB Group-D Exam will be highly useful for your preparation.


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