RRB Group D Exam 2022: Study these important questions related to General Science

RRB Group D General Science Practice Set – 22 : RRB Group D The exam date has been announced, this exam will start from 23rd February 2022, in such a situation, for all the competitive students who are preparing for Railway Group D, we have been asked in previous years through Railway Group D Practice Set. We have come up with a collection of General Science questions with answers, so candidates must study these questions before appearing in the exam.

General Science questions are mainly asked in RRB Group D exam, so 25 important questions have been mentioned in this article, which candidates can study to assess their preparation, as well as improve their preparation. Can also give a new dimension.

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RRB Group D Science Practice Set 22

RRB Group D General Science Practice Set – 22 (mentioned 25 important questions)

Question. Consider the following statements.

कथन (A) : यदि फ्रीजर पर बर्फ इकट्टी होती है। तो रेफ्रिजरेटर में शीतलन बुरी तरह प्रभावित हो जाता है।
कारण (R) : बर्फ एक दुर्बल चालक है।
नीचे दिए गए कूटों का उपयोग करते हुए। सही उत्तर चुनिए
  • (A) and (R) both are correct and (R) is the correct explanation of (A).
  • (A) and (R) both are correct but (R),
  • is not a correct explanation.
  • (A) is correct but (R) is wrong.
  • (A) is wrong but (R) is correct.

Answer 1

Question. When an object is placed between two parallel plane mirrors, the number of images formed is

  • two
  • Is:
  • One
  • infinite

Answer : 4

Question. A boy is wearing shoes. Each of his shoes comes in contact with the ground in an area of ​​200 cm2, then when it keeps both feet on the ground, it produces a pressure of 9000 Nm-2. What is the mass of the body?

Answer: 2

Question. Which of the following coolant is used in the fast breeder reactor of Kalpakkam?

  • Carbon dioxide
  • heavy water
  • sea ​​water
  • liquefied sodium

Answer : 4

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Question. The half-life of a fissile element is five years. The fraction of fissile material left after twenty years is

Answer : 4

Question. The newly invented high temperature superconductor is

  • alloys
  • pure rare earth metals
  • ceramic oxide
  • inorganic polymer

Answer : 3

Question. Earth’s magnetic field is caused by

  • cycloid currents
  • giant magnet at its center
  • charge moving in the interior outside the earth
  • none of these

Answer 1

Question. Electric current does not flow between two charged objects connected together if they are

  • on the same impulse
  • on equal holding
  • at the same resistance
  • at the same potential

Answer : 4

Question. In Doordarshan broadcasting, the transmission of picture messages takes place

  • by amplitude modulation
  • by frequency modulation
  • by art modulation
  • By angle modulation

Answer 1

Question. What is the relation between Dhruva, Purnima and Cyrus?

  • This is an Indian research reactor.
  • These are stars.
  • These are the names of famous books.
  • This is a power plant.

Answer 1

Question. What is a Mineral?

  • fluid
  • gas
  • inorganic solid
  • All

Answer : 3

Question. With which of the following the tape recorder tape is coated?

  • blueprint
  • ferromagnetic powder
  • zinc oxide
  • Mercury

Answer: 2

Question. nano is the humming word

  • The ‘humming word’ of a new species not yet discovered.
  • A very small electric car that can spin 360°.
  • A pocket-sized driverless spy aircraft developed in the United States.
  • A new kind of bee.

Answer : 3

Question. The famous god particle is

  • neutrinos
  • Leptans
  • higgs boson
  • Masons

Answer : 3

Question. What is the purest form of water?

  • tap water
  • sea ​​water
  • rain water
  • distilled water

Answer : 3

Question. The chemical used as a fixative in photography is

  • Sodium sulfate
  • sodium thiosulfate
  • ammonium persulfate
  • Borax

Answer: 2

Question. Which of the following is used in the production of explosion?

  • glycerol
  • methanol
  • urea
  • oxalic acid

Answer: 2

Question. Which of the following is a major component of clove oil?

  • manthal
  • methanol
  • eugenol
  • Benzaldehyde

Answer : 3

Question. Which of the following is used as mosquito repellent?

  • pyrethrum
  • retinone
  • ephedrine
  • any of these

Answer 1

Question. Which of the following radiation will have the highest energy per quantum?

  • 320-400nm
  • 200-280nm
  • 280 – 320nm
  • 400 – 600nm

Answer 1

Question. Looking directly at the Sun during a total solar eclipse causes irreversible damage to the eye. Burning of the retina is caused by which one of the following components of the sun’s rays?

  • heat
  • rainbow light
  • ultraviolet light
  • infrared light

Answer : 3

Question. What is used for CT scan?

  • infrared rays
  • ultrasonic waves
  • visible light
  • X-rays

Answer : 4

Question. Dolphins are classified

  • in fish
  • in amphibians
  • in reptiles
  • in breast

Answer : 4

Question. What are the venom glands of snakes?

  • electrical organs of fish
  • ray-fish country
  • mammary gland
  • salivary glands of vertebrates

Answer : 4

Question. One of the fundamental differences between an AC generator and a DC generator is that

  • AC generator has electromagnet whereas DC generator has permanent magnet.
  • AC generator has a spiral ring while DC generator has a commutator.
  • DC generator generates high voltage.
  • AC generator generates high voltage.

Answer: 2

Question. Where do stars get their energy?

  • by nuclear fusion
  • by gravitational contraction
  • by chemical reaction
  • by nuclear fission

Answer : ?

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

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