RRB Group D General Science Practice Set 49

rrb group d gs practice set 49 | These important questions of general science can be asked in the next shift exam, must read

RRB Group D General Science Practice Set 49: RRB Group D examination has started from August 19, in which the conduct of the first and second phase examination has been completed, now the third phase examination has started, which will be conducted from September 8 to September 19. So the candidates who have to appear for the next shift exam should speed up their preparation.

In this way, 25 important questions and answers of General Science related to Group D exam have been included in this article. Make sure to practice these questions before appearing in the exam.

rrb group d general science practice set 49

rrb group d general science practice set 49

Question. Beryl is the ore in which of the following?

  • tin
  • Out
  • turquoise
  • Chief

Answer: 3

Question. Which of the following has a pH value of 7?

  • pure water
  • h2So4
  • sodium carbonate
  • HCL

Answer 1

Question. Who invented the air bag?

  • Wright Brothers
  • Reynolds B Johnson
  • aison jardnoff
  • Ken Kutragic

Answer: 3

Question. Who invented the ‘QWERTY’ keyboard?

  • douglas engelbert
  • Christopher Sholes
  • Bill Gates
  • Steve Jobs

Answer: 2

Question. ……….bonds hold the atoms together within the water molecule.

  • non-polar covalent
  • polar covalent
  • ionic

Answer: 2

Question. A sound source emits waves of 600 Hz. This produces a wavelength of 3 metres. In this question the speed of sound wave is ………..

  • 1800ms-1
  • 1800ms-2
  • 1800ms2
  • 1800ms1

Answer 1

Question. 1 GB is equal to how many KB?

  • 1024
  • 256 x 1024
  • 1024 x 1024
  • 1024 x 1024 x 1024

Answer: 3

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Question. What is the unit of measurement of the length of a word?

  • meter
  • byte
  • bit
  • millimeter

Answer: 2

Question. What is the reason for the difference in boiling points of liquids?

  • change in temperature
  • change in pressure
  • Quantity Variation
  • Variation in Density

Answer: 2

Question. All gases at the same temperature and pressure have the same number of gases in the same volume-

  • nuclear
  • nuclear
  • Original
  • No one

Answer: 2

Question. What is an aldehyde?

  • mild oxidizing agent
  • strong oxidizing agent
  • powerful shortening agent
  • mild reducing agent

Answer: 3

Question. Nitric acid (A) gold does not react with which of the following?

  • copper
  • zinc
  • Iron
  • Sleep

Answer – 4

Question. Terylene, ethylene glycol and which acids are condensation polymers?

  • benzoic acid
  • phthalic acid
  • salicylic acid
  • terephthalic acid

Answer – 4

Question. What is the minimum number of benzene rings in aromatic hydrocarbon molecules?

  • three
  • four
  • Two
  • One

Answer – 4

Question. What is UDP?

  • connection oriented protocol
  • connectionless protocol
  • user-defined protocol
  • security protocol

Answer: 2

Question. What is the name of the subatomic particles which have properties opposite to the normal subatomic particles?

  • positron
  • antimatter
  • photons
  • neutrinos

Answer: 2

Question. Who discovered Pluto?

  • Jim Maxwell
  • my kateboro
  • Tim Heinemann
  • Clyde Tombaugh

Answer – 4

Question. What is the distance formula?

  • speed x time
  • velocity x acceleration
  • time/speed
  • velocity speed

Answer 1

Question. What compounds cause the smell of dead fish?

  • amino compound
  • sulfur compound
  • aldehyde compound
  • nitro compound

Answer 1

Question. Silk fibers, hairs, pinni, claws and claws are produced

  • from fibrin
  • from elastin
  • from keratin
  • from collagen

Answer: 3

Question. If the temperature of air increases, its ability to absorb water vapor is

  • decreases
  • increases
  • first decreases then increases
  • no effect

Answer: 2

Question. By whom do we know the specific gravity of milk?

  • using a viscometer
  • using an odometer
  • using a hydrometer
  • using a hygrometer

Answer: 3

Question. The path of the projectile is called its ……..

  • Expansion
  • the height
  • projectile path
  • flight

Answer: 3

Question. On what principle does the spring balance (spring balance) work?

  • boyle’s law
  • Bernoulli Principle
  • Pascal’s law
  • Hooke’s law

Answer – 4

Question. Who invented life in plants?

  • Robert Kochu
  • Benjamin Franklin
  • Jesse Bose
  • Louis Pasteur

Answer : ?

What would be the correct answer to this question? Do give us your answer in the comment section.

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