RRB Group D GS Practice Set 25 (MCQ)

RRB Group D General Science (GS) Practice Set 25 : 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 has started which will be conducted till 25 August 2022. After that the second phase examination will be conducted from 26 August to 08 September. And its admit card has also been issued.

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 25
RRB Group D General Science (GS) Practice Set 25

RRB Group D General Science (GS) Practice Set 25

Question. A wavelength traveling with a speed of 500ms-1 has a frequency of 20Hz. The time interval will be ……….

Answer 1

Question. The impulse measurement is-

  • of speed
  • of mass
  • of velocity
  • of weight

Answer: 4

Question. Which of the following inert gas is placed in period 5?

Answer: 4

Question. The weight of 22.4 liters of Hg gas will be

  • 122 grams
  • 44.8 grams
  • 2.0 grams
  • 20 grams

Answer: 2

Question. n-type semiconductors are formed by mixing elements of which group?

  • Group 11 and Group 12
  • Group 13 and Group 14
  • Group 14 and Group 15
  • Group 15 and Group 16

Answer: 3

Question. By how much lower the temperature will all the gases hold zero volume?

  • – 273°C
  • 27.3°C
  • 273°C
  • 0°C

Answer 1

Question. Where is the mass of the cell found in the corpus luteum?

  • Brain
  • ovary
  • pancreas
  • please

Answer: 2

Question. The total number of temporary teeth is

Answer 1

read also

  1. RRB Group D GS Practice Set 24
  2. RRB Group D GS Practice Set 23
  3. RRB Group D GS Practice Set 22

Question. In which category do Biotin and Pentathionic Acid belong?

  • Vitamin B group
  • steroid
  • pyrimidine
  • amino acids

Answer 1

Question. What is the lens made of?

  • pyrex glass
  • plain glass
  • flint glass
  • cobalt glass

Answer: 3

Question. Inverter gate, which gate is called?

  • OR
  • AND
  • NOT
  • none of these

Answer: 3

Question. The most important property of nanomaterials is-

  • Force
  • pressure
  • friction
  • Temperature

Answer: 3

Question. The most appropriate part for the study of meiosis in plants will be..

  • shoot head
  • original top
  • anther
  • leaf cell

Answer: 3

Question. What was absent when life originated on Earth?

  • oxygen
  • hydrogen
  • nitrogen
  • ammonia

Answer 1

Question. A tanker of oil partially filled with oil is moving forward on a flat road with a uniform acceleration. Oil free page

  • will remain horizontal
  • There will be an inclination on the horizontal in such a way that there will be less depth at the rear end.
  • will be inclined from the horizontal in such a way that there will be more depth at the rear end
  • the parabolic curve will be

Answer: 4

Question. Photosynthesis takes place-

  • at night
  • in day and night
  • in day or night
  • only in the day

Answer: 3

Question. Which living tissue acts as a bionutrient carrier in higher plants?

  • xylem
  • phloem
  • cortex
  • epidermis

Answer: 2

Question. What is the function of a control rod (cadmium rod) in a nuclear reactor?

  • Absorbs the excessive heat generated during the fission reaction and thus prevents further rise in temperature.
  • Absorbs extra neutrons to control the chain reaction.
  • Reduces the energy of neutrons so that they can be used for further fission reaction.
  • Generates the neutrons needed for the chain fission reaction.

Answer: 2

Question. You. What is the extension of UFO?

  • under fire object
  • unidentified flying object
  • unapproved foreign object
  • unidentified free object

Answer: 2

Question. Pressure is measured in the following context-

  • mass and density
  • completed work
  • force and distance
  • force and area

Answer: 4

Question. What is Hotspot?

  • mechanism of high endemic biodiversity
  • geographical area with high biodiversity
  • area of ​​scanty rainfall
  • area of ​​constant high temperature

Answer 1

Question. The metabolic process of which of the following gives maximum energy?

  • Carbohydrate
  • fat
  • protein
  • minerals

Answer: 2

Question. Who is the father of nanotechnology in India?

  • Jayant Narlikar
  • Subramaniam Chandrasekhar
  • C. N. R. Rao
  • Birbal Sawhney

Answer: 3

Question. If the angle of incidence on a concave mirror is 30°, then what will be the value of the angle of reflection?

Answer: 2

Question. Which tooth do we use while cutting and tearing food?

  • Kritat and Chavarnak
  • pigment and precursor
  • front pigment
  • Krutt and Radnak

Answer: ?

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

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