Collection of these 25 important questions of general science asked in previous exams, must read

RRB Group D General Science (GS) Practice Set 07 : 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 17 August 2022 to 25 August 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 07
RRB Group D General Science (GS) Practice Set 07

RRB Group D General Science (GS) Practice Set 07

Question. The angle between the magnetic meridian and the geographic meridian is called-

  • bow angle
  • magnetic field
  • magnetic moment
  • magnetic field strength

Answer: 2

Question. 6.25 x 10¹⁸ An electron flows from one end of a conductor to the other in 10 sec. The value of the current flowing through the conductor is-

Answer: 2

Question. Lenz’s law is the result of conservation

  • surge
  • Impulse
  • Mass
  • energy

Answer: 4

Question. An electron beam and a proton beam are moving parallel to each other in the same direction, then they

  • will attract each other
  • will repel each other
  • no relation
  • will neither attract nor repel

Answer 1

Question. Which of the following is a proven carcinogen?

  • linen
  • vinyl chloride
  • acetic acid
  • methyl alcohol

Answer: 2

Question. Elements of d-block are also known as:

  • transition element
  • inert gas
  • alkaline earth metal group
  • zero group

Answer 1

Question. An induced electromotive force is produced in a conductor or coil moving in a magnetic field, it is according to which of the following?

  • ampere law
  • lange’s law
  • coulomb law
  • Faraday’s law

Answer: 4

Question. What will be the ratio of gravity at a depth h above the surface of the earth and at a height h above the surface of the earth, where the radius of the earth h

  • will be fixed
  • will decrease
  • will grow linearly with h
  • grows parabolically with h

Answer: 3

Question. The transformer is based on-

  • on the principle of mutual induction
  • on the principle of self-induction
  • on ampere’s law
  • on Lenz’s law

Answer 1

Question. The wavelength of maximum penetrating power is

Answer 1

Question. Plants in the group are commonly called algae.

  • pteridophyta
  • Thallophyta
  • bryophyta
  • angiosperms

Answer: 2

Question. Rutherford’s a-scattering experiment shows that an atom consists of—

  • proton
  • nucleus
  • neutron
  • electron

Answer: 2

Question. A convex lens forms a 3 times magnified imaginary image of an object placed at 24 cm. is the focal length of the lens

  • +30 cm
  • +36 cm
  • -30 cm
  • +72 cm

Answer: 2

Question. The rest mass of photons is

  • 0
  • 00
  • between 0 and 0
  • equal to electron

Answer 1

Question. The major component of photochemical smog in urban areas is—

  • SO2 and NO2
  • SPM & CO
  • SPM and NO2
  • Oxides of nitrogen, hydrocarbons and ozone

Answer: 4

Question. FeCl3 solution in water is

  • Moody
  • acidic
  • alkaline
  • both acidic and alkaline

Answer 1

Question. Oxygen and ozone are related to each other because they are

  • isotopes
  • isocratic
  • isomer
  • amorphous

Answer: 4

Question. The characteristic of high ionizing energy is-

  • non-metallic
  • of metals
  • semi-metallic
  • of nobel gases

Answer 1

Question. When sodium metal is thrown into water, it

  • is accreted.
  • is reduced
  • no change
  • makes a gas

Answer 1

Question. The mass of an object is 743.48 grams. What is this mass in milligram?

  • 743480 mg
  • 7434800 grams
  • 74348000 mg
  • no one is fine

Answer 1

Question. What is the oxidation number of sulfur in sulfuric acid?

Answer 1

Question. Which of the following is a thermoplastic polymer-

  • nylon
  • teflon
  • polyethylene
  • all thermoplastics

Answer: 4

Question. Ionic compounds are often

  • low melting point
  • high melting point
  • less soluble in water
  • none of these

Answer: 2

Question. The ground wire of a cable is connected to which of the following?

  • from the external metallic body of the capacitor
  • from capacitor fuse
  • from capacitor filament
  • by short circuit of capacitor

Answer 1

Question. Which of the following is a good electron donor?

  • tin
  • Sulphur
  • Carbon
  • 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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