RRB Group D - General Science PYQ Quiz 79
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 79 — 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 correctly defines the amplitude of a wave?
- A.The distance between two consecutive crests
- B.The maximum displacement of the particle from its mean position
- C.The number of vibrations per second
- D.The speed with which the wave travels
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Answer: B. The maximum displacement of the particle from its mean position
Q2.Which of the following statements is INCORRECT about uniform motion?
- A.The acceleration is zero
- B.The speed varies continuously with time
- C.The body covers equal distances in equal intervals of time
- D.The velocity remains unchanged
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Answer: B. The speed varies continuously with time
Q3.What is the formula of formic acid?
- A.C₂H₆O
- B.HCOOH
- C.C₂H₅OH
- D.C₂H₄O₂
Show answer
Answer: B. HCOOH
Q4.Which of the following statements is true about magnetic field lines?
- A.Field lines inside a magnet move from north to south.
- B.Field lines outside a magnet move from north to south.
- C.Magnetic field is weaker where lines are close.
- D.Field lines intersect at poles.
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Answer: B. Field lines outside a magnet move from north to south.
Q5.Which of the following carbon compounds burns with a blue, non-sooty flame under normal conditions?
- A.Diesel
- B.Charcoal
- C.Ethanol
- D.Kerosene
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Answer: C. Ethanol
Q6.What is the role of lysosomes in a cell?
- A.To produce ATP
- B.To transport products
- C.To store proteins
- D.To digest foreign material
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Answer: D. To digest foreign material
Q7.Which of the following is NOT considered an organic compound?
- A.Acetic acid (CH3COOH)
- B.Sodium carbonate (Na2CO3)
- C.Ethanol (C2H5OH)
- D.Methane (CH4)
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Answer: B. Sodium carbonate (Na2CO3)
Q8.During the process of electrolytic refining of metals, on passing the current through the electrolyte, the impure metal from the dissolves into the electrolyte.
- A.anode
- B.salt bridge
- C.both anode and cathode
- D.cathode
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Answer: A. anode
Q9.An object is thrown straight up and reaches a maximum height of 20 m. If we take g = 10 m/sec2, what was the initial speed of the object when it was thrown?
- A.30 m/sec
- B.20 m/sec
- C.10 m/sec
- D.40 m/sec
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Answer: B. 20 m/sec
Q10.Which of the following observations confirms that a solution is acidic?
- A.Methyl orange: red, Phenolphthalein: pink, Litmus: red
- B.Methyl orange: red, Phenolphthalein: colourless, Litmus: red
- C.Methyl orange: yellow, Phenolphthalein: pink, Litmus: blue
- D.Methyl orange: yellow, Phenolphthalein: colourless, Litmus: blue
Show answer
Answer: B. Methyl orange: red, Phenolphthalein: colourless, Litmus: red
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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.