RRB Group D GS Practice Set 40

RRB Group D General Science Practice Set 40 : RRB Group D exam has started from 19th August, in which the first and second stage examination has been completed, now the third stage exam has started, which will run from 8th September to 19th September. So the candidates who have to appear in the next shift examinations should speed up their preparation.

In such a situation, 25 important questions and answers of General Science related to Group D exam have been included in front of you through this article. Make sure to practice these questions before going to the exam.

RRB Group D General Science Practice Set 40
RRB Group D General Science Practice Set 40

RRB Group D General Science Practice Set 40

Question. Who built the first nuclear reactor?

  • Einstein
  • by Fermi
  • Newton
  • by rutherford

Answer: 2

Question. thermal neutrons are

  • whose temperature was high
  • who move at high speed
  • which has high kinetic energy
  • who are stable

Answer: 2

Question. If half a liter of hot water at 90°C is mixed with three and a half liters of cold water at 10°C, find the final equilibrium temperature (in °C) with no heat loss.

Answer: 3

Question. The density (kg/m) of a piece of wood measuring 6 cm x 8 cm x 5 cm and weighing 192 N is3 Find (g = 10m/s)2 take)

Answer: 2

Question. In which year was the Mars Orbiter Mission (MOM), Mangalyaan launched?

Answer: 2

Question. Which of the following processes reduces carbon dioxide in the atmosphere?

  • Photosynthesis
  • Biodegradation
  • Electrolysis
  • Galvanization

Answer 1

Question. Tetraethyl lead (TEL) is added to reduce petrol detonation. ‘TEL’ works in—

  • of a positive
  • solvent
  • negative trigger
  • of inspired

Answer: 3

Question. Find the relative density of a solid of mass 50 g, which, when completely immersed in water, acquires a mass of 10 g?

Answer: 2

Question. The scientific study of insects is called

  • ichthyology
  • parasitology
  • entomology
  • malacology

Answer: 3

read also

  1. RRB Group D GS Practice Set 36
  2. RRB Group D GS Practice Set 38
  3. RRB Group D GS Practice Set 37

Question. What causes kidney disease in humans?

  • cadmium
  • cobalt
  • Iron
  • Carbon

Answer 1

Question. Paracetamol is present in first-end boxes. When should these medicines be taken?

  • To reduce symptoms of hay fever and other allergies
  • To reduce indigestion and heartburn
  • to get relief from asthma
  • To reduce mild pain and high fever

Answer: 4

Question. Separation of cream by churning milk is due to

  • Frictional force
  • centrifugal force
  • gravitational force
  • viscous force

Answer: 2

Question. melting point of ice due to increase in pressure

  • grows
  • remains unchanged
  • decreases
  • Depends on the impurities in the ice.

Answer: 3

Question. The pH value of a neutral solution is

Answer 1

Question. Who discovered the chromatography technique?

  • sweat
  • generics
  • willikins
  • svedberg

Answer 1

Question. propounded the cell theory

  • by Darwin
  • by Robert Koch
  • Schleiden and Schwann
  • Altman

Answer: 3

Question. Who absorbs ultraviolet rays?

  • ozone layer
  • nitrogen
  • ionosphere
  • none of these

Answer 1

Question. Which is not a hormone?

  • insulin
  • adrenaline
  • thyroxine
  • hemoglobin

Answer: 4

Question. From which tree do we get quinine?

  • eucalyptus
  • Neem tree
  • cinchona
  • Common

Answer: 3

Question. Which of the following is not the cause of formation of kidney stone?

  • drink more water
  • diabetic mellitus
  • consuming oxalate-rich nuts
  • excessive intake of stone-forming foods

Answer 1

Question. The kinetic energy of an object depends on

  • only on its mass
  • only at his speed
  • on its mass and speed
  • neither on mass nor on speed

Answer: 3

Question. A ball is dropped from the top of a tower 40 m high. What will be its velocity after falling 20 m?

  • 20m/s
  • 10√2m/s
  • 20m/s
  • none of these

Answer 1

Question. What is the ‘Fadometer’ used to measure?

  • earthquake
  • Rain
  • sea ​​depth
  • sound intensity

Answer: 3

Question. The monthly consumption of 10 lamps of 100 watts for 8 hours a day will be

  • 240 units
  • 250 units
  • 480 units
  • 500 units

Answer 1

Question. The speed of 72 km/hr means

  • 72m/sec
  • 36m/sec
  • 20m/sec
  • 10m/sec

Answer : ?

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

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