RRB Group D - General Science PYQ Quiz 295
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 295 — 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.Which of the following reaction is a precipitation reaction?
- A.Calcium carbonate → Calcium oxide + Carbon dioxide
- B.Sodium sulphate + Barium chloride → Barium sulphate + Sodium chloride
- C.Lead + Copper chloride → Lead chloride + Copper
- D.Methane + Oxygen → Carbon dioxide + Water
Show answer
Answer: B. Sodium sulphate + Barium chloride → Barium sulphate + Sodium chloride
Q2.How many hydrogen atoms are present in one molecule of ethanol?
- A.Six
- B.Four
- C.Seven
- D.Five
Show answer
Answer: A. Six
Q3.Unsaturated hydrocarbons add hydrogen in the presence of catalysts such as:
- A.Nickel and Cadmium
- B.Nickel and Hydrogen
- C.Nickel and Palladium
- D.Palladium and Radium
Show answer
Answer: C. Nickel and Palladium
Q4.A car accelerates uniformly from 18 kmh⁻¹ to 36 kmh⁻¹ in 5 s. Calculate the acceleration of the car.
- A.1 ms⁻²
- B.4 ms⁻²
- C.4 ms²
- D.1 ms²
Show answer
Answer: A. 1 ms⁻²
Q5.A porter lifts a luggage of 12 kg from the ground and puts it on his head 1.5 m above the ground. Calculate the work done by him on the luggage. (g = 10 ms⁻²)
- A.140 J
- B.180 J
- C.150 J
- D.155 J
Show answer
Answer: B. 180 J
Q6.A body travelling with a speed of more than the velocity of sound in air is said to be ______.
- A.Ultrasonic
- B.Infrasonic
- C.Supersonic
- D.Hypersonic
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Answer: C. Supersonic
Q7.Areolar tissue fills the spaces ______ the organ, supports the ______ organs and repairs tissues.
- A.outside; internal
- B.outside; external
- C.inside; internal
- D.inside; external
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Answer: C. inside; internal
Q8.Objects move with a constant speed when no ______ is acting on it.
- A.pressure
- B.inertia
- C.force
- D.momentum
Show answer
Answer: C. force
Q9.An object of mass 12 kg is at a certain height above the ground. If the potential energy of the object is 600 J, find the height at which the object is with respect to the ground. (Given g = 10 ms⁻²)
- A.5 m
- B.5 ms⁻²
- C.5 ms²
- D.−5 m
Show answer
Answer: A. 5 m
Q10.Elements in the Modern Periodic Table are arranged in ______ periods.
- A.6
- B.8
- C.5
- D.7
Show answer
Answer: D. 7
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