RRB Group D - General Science PYQ Quiz 305
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 305 — 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 displacement, s = 0, therefore, work done, W = ?
- A.−1 J
- B.0 J
- C.1 J
- D.2 J
Show answer
Answer: B. 0 J
Q2.Which of the following statement(s) is/are false regarding the modern periodic table? i. In the modern periodic table, the elements are arranged in decreasing order of their atomic numbers. ii. In the modern periodic table, the elements are arranged in increasing order of their atomic masses. iii. In the modern periodic table, isotopes are placed in adjacent groups. iv. In the modern periodic table, the elements are arranged in increasing order of their atomic numbers.
- A.Only (i)
- B.Only (iv)
- C.(i), (ii) and (iv)
- D.(i), (ii) and (iii)
Show answer
Answer: D. (i), (ii) and (iii)
Q3.When a molecule of lead nitrate is heated, then:
- A.2 moles of O₂ gas are produced
- B.1 mole of NO₂ gas is produced
- C.2 moles of NO₂ gas are produced
- D.3 moles of NO₂ gas are produced
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Answer: C. 2 moles of NO₂ gas are produced
Q4.What will be the momentum of a body of mass 50 kg moving with a velocity of 20 ms⁻¹?
- A.25 kg ms⁻¹
- B.40 kg ms⁻¹
- C.100 kg ms⁻¹
- D.1000 kg ms⁻¹
Show answer
Answer: D. 1000 kg ms⁻¹
Q5.Which of the following is a property of isotopes of an element? (i) They have the same atomic mass. (ii) They have the same atomic number. (iii) They exhibit different physical properties. (iv) They exhibit similar chemical properties.
- A.(ii) and (iii)
- B.(ii), (iii) and (iv)
- C.(ii) and (iv)
- D.(i), (iii) and (iv)
Show answer
Answer: B. (ii), (iii) and (iv)
Q6.In the froth flotation method, ore powder is placed in a tank filled with a mixture of:
- A.Water and Aluminum
- B.Water and Pine oil
- C.Copper and Water
- D.Water and Vegetable oil
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Answer: B. Water and Pine oil
Q7.Which of the following statement(s) is/are true/false? A. The following reaction is an example of a reversible reaction: N₂(g) + 3H₂(g) ⇌ 2NH₃(g). B. The following reaction is an example of a thermal decomposition reaction: CaCO₃(s) heat→ CaO(s) + CO₂(g).
- A.Both A and B are false.
- B.Only B is true.
- C.Both A and B are true.
- D.Only A is true.
Show answer
Answer: C. Both A and B are true.
Q8.What type of energy conversion takes place during the thunder of clouds?
- A.Frictional energy is converted into light and sound energy.
- B.Kinetic energy is converted into light and sound energy.
- C.Potential energy is converted into light and sound energy.
- D.Kinetic energy is converted into electrostatic energy.
Show answer
Answer: B. Kinetic energy is converted into light and sound energy.
Q9.Elements like Li, Na and K are related to -
- A.Alkaline earth metal group
- B.Halogen group
- C.Zero group
- D.Alkaline metal group
Show answer
Answer: D. Alkaline metal group
Q10.Which of the following statements are true/false about the speed of sound in different mediums at 25°C? A. In water (sea water), the speed of sound is 1531 m/s. B. The speed of sound is 346 m/s.
- A.Only B is correct.
- B.Only A is correct.
- C.Neither A nor B is correct.
- D.Both A and B are correct.
Show answer
Answer: D. Both A and B are correct.
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Which government exams does this quiz prepare me for?
General Science questions appear regularly in SSC CGL, CHSL, MTS, GD; IBPS PO, Clerk; SBI PO, Clerk; RRB NTPC, Group D; UPSC prelims and most State PSC exams. The specific weightage varies by exam — check the exam pattern on the corresponding AajExam exam page for details.