RRB Group-D Previous Year General Science Questions PDF
Download Top-15 RRB JE Previous year General Science Questions PDF. RRB GROUP-D General Science questions based on asked questions in previous exam papers very important for the Railway Group-D exam.
Download RRB Group-D Previous Year General Science Questions PDF
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Question 1: Cyanide poisoning causes death in seconds because
a) It denatures enzymes of the heart/muscle
b) It breaks the electron transport chain
c) It causes Lys is of red blood cells.
d) It causes cardiac arrest
Question 2: Which of the following can be found as pollutants in the drinking water in some
parts of India?
Select the correct answer using the code given below.
(A) Arsenic
(B) Sorbitol
(C)Fluoride
(D) Formaldehyde
(E) Uranium
a) B, D and E
b) A, B, C, D and E
c) A, C and E
d) A and C
Question 3: Ice is packed in sawdust because
a) saw dust will not get melted easily.
b) saw dust is poor conductor of heat.
c) saw dust is a good conductor of heat.
d) saw dust does not stick to the ice.
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Question 4: The term ‘brown air’ is used for
a) Acid fumes
b) Photochemical smog
c) Sulphurous smog
d) Industrial smog
Question 5: Tachycardia is a condition characterized by
a) heart-rate decreases from the normal
b) heart- rate increases from the normal
c) heartbeat stops
d) heart fails to pump
Question 6: In which of the following water bodies can one float without even trying to swim?
a) Caspian Sea
b) Red Sea
c) Dead Sea
d) Sea of Japan
RRB Group D previous year papers
Question 7: Gestation period in human is around …. days
a) 30
b) 120
c) 270
d) 360
Question 8: The process of making soap is called
a) Saponification
b) Condensation
c) Water Electrolysis
d) Vaporisation
Question 9: The lightest gas in the atmosphere is
a) Hydrogen
b) Nitrogen
c) Oxygen
d) None of these
Question 10: Which law of physics makes a perpetual motion machine impossible?
a) first law of thermodynamics
b) second law of thermodynamics
c) third law of thermodynamics
d) first and second laws of thermodynamics
RRB Group-D Important Questions (download PDF)
Question 11: The gravitational force on moon is decreased by what factor as compared to the earth’s gravitational force?
a) 1/4
b) 1/5
c) 1/6
d) 1/8
Question 12: Permanent hardness of water is due to the presence of?
a) Bicarbonates of calcium or magnesium
b) Chlorides or sulphates of calcium or magnesium
c) Fluorides of calcium or magnesium
d) Bicarbonates of manganese or calcium
Question 13: What is the oxidation number of C in C$_{12}$H$_{22}$O$_{11}$
a) 0
b) +5
c) +1
d) +3
Question 14: Which orbitals are overlapped to form the sigma bond?
a) S-S orbital
b) S-P orbital
c) P-P orbital
d) All of the above
Question 15: What is the functional group in Methanal?
a) Carboxylic acid
b) Ketone
c) Aldehyde
d) Alcohol
General Science Notes for RRB Exams (PDF)
RRB Group-D Important Questions (download PDF)
Answers & Solutions:
1) Answer (D)
2) Answer (C)
3) Answer (B)
4) Answer (B)
5) Answer (B)
6) Answer (C)
7) Answer (C)
8) Answer (A)
9) Answer (A)
10) Answer (D)
11) Answer (C)
12) Answer (B)
13) Answer (A)
14) Answer (D)
15) Answer (C)
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We hope this Previous year General Science Questions for RRB Group-D Exam will be highly useful for your preparation.
