RRB Group D GS Practice Set 10 (MCQ)

RRB Group D General Science (GS) Practice Set 10 : Indian Railway Recruitment Board (RRB) has started the recruitment process for Group D posts. There is a provision to complete this examination in several phases, and the first phase examination will be conducted from August 17, 2022 to August 25, 2022. It is worth mentioning that now the candidate will have to give only one examination and on the basis of that the candidates will be selected and the vacant posts will be filled.

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. Practice these questions before going to the exam and strengthen your preparation.

RRB Group D General Science (GS) Practice Set 10
RRB Group D General Science (GS) Practice Set 10

RRB Group D General Science (GS) Practice Set 10

Question. Which of the following elements has higher melting point?

Answer 1

Question. One of the following is extracted by wet method:

Answer 1

Question. “Not” gate can be implemented by?

  • single diode
  • two diodes
  • single insulator
  • single transistor

Answer: 4

Question. Which of the following is not a rational operator?

Answer 1

Question. An imaginary image of an object placed at a distance of 60 cm in front of a lens is obtained at a distance of 20 cm, the focal length of the lens and the type of lens is

  • +30 cm, convex
  • -30cm, Concave
  • +30cm, Concave
  • -30 cm, convex

Answer: 2

Question. Which of the following is a d-block element-

Answer: 2

Question. Which technique is used to identify viruses in plants and animals?

  • electrophoresis
  • electromicroscopy
  • immuno fluorescence

Answer 1

Question. Which part of the Rauwolfia plant is associated with the treatment of hypertension?

  • Flower
  • Root
  • leaf
  • fruit

Answer: 2

Question. By whom was the cholera bacillus discovered?

  • Joseph Lister
  • Lewis Pasteur
  • robert coach
  • Ronald Ross

Answer: 3

Question. The frequency range of television signals is-

  • 20 Hz to 20,000 Hz
  • 100MHz to 200MHz
  • 10MHz to 20MHz
  • 1014Hz to 1015Hz

Answer: 2

Question. A convex lens of power + 6D and a concave lens of power 4D are placed in contact, the combined lens will be-

  • Concave lens of 25 cm focus distance
  • Convex lens of 50 cm focus distance
  • Concave lens of 20 cm focus distance
  • Convex lens of 100 cm focus distance

Answer: 2

Question. The pigment protecting plants from ultraviolet (UV) damage is—

  • phycocyanin
  • carotenoids
  • foliar green (chlorophyll)
  • deciduous (xanthophyll)

Answer 1

Question. Sea sickness is due to the effect of the speed of the ship on

  • on the inner ear
  • on the heart
  • on the eyes
  • on the abdomen

Answer 1

When light travels in vacuum, the electric field and magnetic field associated with it-

  • remains stable over time
  • average value is zero
  • the mean value of is greater than zero
  • keep changing randomly

Answer: 2

Question. The average nuclear binding energy per nucleon of the nucleus is

Answer: 2

Question. A 12V battery is connected in parallel with a 5 resistance. Find the current provided by this battery.

Answer: 4

Question. In which case there is complete internal reflection of the rays of light repeatedly in optical fiber propagation-

  • angle of incidence > critical angle
  • angle of incidence = critical angle
  • angle of incidence
  • none of these

Answer 1

Question. ‘Red rust’ disease occurs in tea

  • by red algae
  • by a fungus
  • by a green algae
  • All of the above

Answer: 3

Question. A complete root parasite is—

  • dendropathy
  • orobenki
  • Viscum
  • Chandan

Answer: 2

Question. Which one of the following is not correctly matched with respect to the edible part?

  • Litchi – inside fruit wall
  • date-wall
  • coconut embryo
  • Date-fruit wall and seedling

Answer 1

Question. The work done by the force is positive when

  • Displacement is perpendicular to the force.
  • There is no displacement due to the applied force.
  • Displacement occurs in the opposite direction of the force.
  • Displacement occurs in the direction of the force.

Answer: 4

Question. National Bureau of Plant Genetic Resources is located at—

  • Nagpur
  • New Delhi
  • Mumbai
  • Pune

Answer: 2

Question. The electronic configuration of phosphorus ion is-

Answer: 4

Question. Which orbit is closest to the nucleus of an atom?

Answer 1

Question. The SI unit of radioactivity is

  • Kelvin
  • bekural
  • candela
  • none of these

Answer: ?

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

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