RRB Group D Exam 2022: Study the important questions asked in General Science

RRB Group D General Science Practice Set – 23 : RRB Group D exam date has been announced by the Indian Railway Recruitment Board, this exam will be conducted on 23rd February 2022, at present the last phase of preparation is going on, so for all the candidates preparing for RRB Group D. For today, through this article, we have brought 25 important questions of general science asked in the past years, which will prove to be very important questions in the railway examinations, so the candidates should study these questions carefully.

Considering that General Science questions play a major role in RRB Group D examinations, 25 important General Science questions have been mentioned in this practice set, by studying which candidates can understand the level of questions asked in the examinations and You can also assess your preparation.

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RRB Group D Science practice Set 23

RRB Group D General Science Practice Set – 23 (mentioning important questions)

Question. What is the study of friction and lubricants?

  • cryogenics
  • Horology
  • Selenology
  • tribology

Answer : 4

Question. The maximum temperature attained by a superconductor is

  • 24 Kelvin
  • 133 Kelvin
  • 150 Kelvin
  • 300 Kelvin

Answer: 2

Question. cosmic rays

  • are charged particles.
  • are uncharged particles.
  • Can be both charged and uncharged.
  • none of the above

Answer 1

Question. Which one of the following is used as a snowproof for automatic engines?

  • ethanol
  • ethylene glycol
  • Methanol
  • Propyl alcohol

Answer: 2

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Question. We see green grass as green because

  • It reflects green light to our eyes.
  • It absorbs green light.
  • It reflects light of all colors except green
  • None of these

Answer 1

Question. There is a subset of air pollution, which refers to the small particles present everywhere in our atmosphere.

  • Humus
  • loamy soil
  • genome
  • aerosol

Answer : 4

Question. Na2O is a ………..oxide.

  • alkaline
  • acidic
  • Inactive
  • Amphibious

Answer 1

Question. 12g of oxygen has moles.

Answer 1

Question. Which of the following is not an amphibian?

  • Hila
  • Crocodile
  • dadur
  • salamander

Answer: 2

Question. What is the valve in the right auriculo-ventricular septum (atrial-ventricular membrane) located between the right atrium and the left ventricle called?

  • bicuspid valve
  • nerve valve
  • Pulmonary valve
  • tricuspid valve

Answer : 4

Question. The molecular formula of quicklime is

Answer : 3

Question. …….. is an unsaturated hydrocarbon.

  • hexane
  • benzene
  • pentane
  • butane

Answer: 2

Question. Write the values ​​of the four quantum numbers of the fourth electron in the 3p6 configuration.

  • n = 3, l= 1, m = 1, s = 1/2
  • n = 3, 1 = 1, m = −1, s = – 1/2
  • n = 3, 1 = 0,m = 0, s = 1/2
  • n = 2, l = 1, m = 1, s = -1/2

Answer: 2

Question. When the speed of an object exceeds the speed of sound, it is said to be traveling at that speed.

  • audio
  • Parasitic
  • supersonic
  • acoustic

Answer : 3

Question. Find the calorimeter (in g) made of copper, if its temperature rises by 45° when 3.6 kJ of heat is absorbed by it. The specific heat capacity of copper is 0.4 Jg-1 K-1.

Answer : 4

Question. of farad per meter

  • electromagnetism
  • Watt per steridian
  • permeability
  • electric conductivity

Answer 1

Question. Which of the following cell organelles is found in plant cell but not found in animal cell?

  • chloroplast
  • Endoplasmic reticulum
  • mitochondria
  • ribosome

Answer 1

Question. The sew tube and co-cells are mainly responsible for the transmission of

  • water in leaves
  • food in human body
  • food in plants
  • sunlight in plants

Answer : 3

Question. The most abundant element present in plants is?

  • iron
  • Carbon
  • nitrogen
  • manganese

Answer: 2

Question. Parents contribute to sexual reproduction.

  • half of your genes
  • three quarters of your genes
  • all genes
  • a quarter of your genes

Answer 1

Question. Common name of Ascaris is

  • pin worm
  • earthworm
  • round worm
  • tape worm

Answer : 3

Question. What causes rust to form in iron objects?

  • ferrous chloride
  • mixture of ferrous and ferric hydroxides
  • ferric sulfate
  • ferric chloride

Answer: 2

Question. The main use of magnesia is

  • Mild laxative
  • resistant
  • Antibiotics
  • pain reliever

Answer 1

Question. Which of the following has electronegative and covalent bonds?

Answer : 4

Question. inert gases-

  • Miscible in water
  • is not permanent
  • not chemically reactive
  • are chemically reactive.

Answer : ?

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

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