RRB Group D - General Science PYQ Quiz 283
10 PYQ questions from RRB Group D - General Science
About This Quiz
This is one set from a larger bank. See all RRB Group D General Science previous year questions.
RRB Group D - General Science PYQ Quiz 283 — Questions with Solutions
All 10 questions from this quiz with the correct answer and explanation. Attempt them yourself first, then open each solution to check your reasoning.
Q1.If two unequal masses possess the same kinetic energy, then the heavier mass has:
- A.higher speed
- B.lesser momentum
- C.greater momentum
- D.lower speed
Show answer
Answer: C. greater momentum
Q2.Which of the following compounds does NOT possess water of crystallisation?
- A.Gypsum
- B.Washing soda
- C.Copper sulphate
- D.Baking soda
Show answer
Answer: D. Baking soda
Q3.Which of the following animals reproduces by budding and can also carry out regeneration?
- A.Plasmodium
- B.Yeast
- C.Planaria
- D.Hydra
Show answer
Answer: D. Hydra
Q4.Electric bulbs are usually filled with chemically-inactive gases like ____.
- A.hydrogen
- B.oxygen
- C.nitrogen
- D.chlorine
Show answer
Answer: C. nitrogen
Q5.Who classified elements based on atomic numbers?
- A.Newlands
- B.Mendeleev
- C.Dobereiner
- D.Moseley
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Answer: D. Moseley
Q6.A chemical reaction in which heat is generated is called a/an ____.
- A.endothermic reaction
- B.exothermic reaction
- C.combustion reaction
- D.displacement reaction
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Answer: B. exothermic reaction
Q7.The point where the entire weight of an object acts is known as the ____.
- A.centre of friction
- B.centre of mass
- C.centre of gravity
- D.centre of pressure
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Answer: C. centre of gravity
Q8.The weight of an object on the moon is how many times its weight on the earth?
- A.1/5 times
- B.1/6 times
- C.5 times
- D.6 times
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Answer: B. 1/6 times
Q9.The correct formula of calcium hydroxide is:
- A.CaOH₂
- B.Ca₂OH
- C.Ca(OH)₂
- D.CaOH
Show answer
Answer: C. Ca(OH)₂
Q10.A ray of light passes from water to glass. It bends:
- A.away from the normal and speeds up
- B.away from the normal and slows down
- C.towards the normal and slows down
- D.towards the normal and speeds up
Show answer
Answer: C. towards the normal and slows down
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