RRB Group D - General Science PYQ Quiz 302
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 302 — 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.When Mendeleev started the work (Classification of Elements), _______ elements were known.
- A.64
- B.63
- C.65
- D.61
Show answer
Answer: B. 63
Q2.Which of the following is an organic acid?
- A.Carbonic acid
- B.Sulfuric acid
- C.Nitric acid
- D.Oxalic acid
Show answer
Answer: D. Oxalic acid
Q3.Frequency is expressed in _______ and indicates that the event is repeated every second.
- A.Ohm
- B.Decibel
- C.Ampere
- D.Hertz
Show answer
Answer: D. Hertz
Q4._______ is a surface phenomenon.
- A.Sweat
- B.Boiling
- C.Steam
- D.Excitement
Show answer
Answer: C. Steam
Q5.The potential difference across the terminals of an electric heater is 60V when it receives a current of 4A from the source. If the potential difference increases to 142.5V, what will be the current received by the heater?
- A.15 A
- B.24 A
- C.9.5 A
- D.12 A
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Answer: C. 9.5 A
Q6.Read the following statements: A. If the value of the universal gravitational constant of the earth is Ge, then the value of the universal gravitational constant of the moon is Gm, then Ge = Gm. B. The force between two objects will be one-fourth of the mass of both objects is doubled. C. If the value of the universal gravitational constant on the earth is Ge and the value of the universal gravitational constant on the moon is Gm, then Ge > Gm. D. The acceleration due to gravity is doubled everywhere. Which of these statements is correct.
- A.B, C and D
- B.Only A
- C.A, B and C
- D.A, C and D
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Answer: B. Only A
Q7._______ helps to know the speed of the vehicle.
- A.Speedometer
- B.Voltometer
- C.Velometer
- D.Lactometer
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Answer: A. Speedometer
Q8.Alkanes are saturated hydrocarbons in which a bond is found between two carbon atoms, which has a general formula.
- A.CₙH₂ₙ₊₂
- B.CₙH₂ₙ₊₁
- C.CₙH₂ₙ₋₁
- D.CₙH₂ₐₙ₊₁
Show answer
Answer: A. CₙH₂ₙ₊₂
Q9.The weight of an object on the surface of the earth is 20 N. What will be its weight when measured on the surface of the Moon?
- A.2.01 N
- B.3.33 N
- C.1.67 N
- D.4 N
Show answer
Answer: B. 3.33 N
Q10.The froth flotation method is used for the concentration of _______ ore.
- A.Mercury
- B.Sodium
- C.Sulfide
- D.Copper
Show answer
Answer: C. Sulfide
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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.