RRB Group D - General Science PYQ Quiz 95
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 95 — 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.Waste generated by developing human embryo is removed with the help of which of the following organs?
- A.Fallopian tube
- B.Scrotum
- C.Ovaries
- D.Placenta
Show answer
Answer: D. Placenta
Q2.Approximately what percentage of energy is transferred from one trophic level to the next in an ecosystem?
- A.90%
- B.50%
- C.10%
- D.1%
Show answer
Answer: C. 10%
Q3.If an object weighs 60 N when measured on the surface of the Earth, what would be its approximate weight when measured on the surface of the Moon?
- A.15 N
- B.10 N
- C.360 N
- D.60 N
Show answer
Answer: B. 10 N
Q4.Which of the following statements is responsible for the atmospheric refraction?
- A.Absorption of light by air molecules
- B.Scattering of light in atmosphere
- C.Reflection of light by atmosphere
- D.Bending of light due to change in air density
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Answer: D. Bending of light due to change in air density
Q5.Which of the following best describes Thomson's model of an atom? Electrons revolve around the nucleus in fixed orbits.
- A.An atom has a positively charged nucleus and electrons outside.
- B.An atom is a sphere of positive charge with electrons embedded in it like seeds in a watermelon.
- C.An atom is mostly empty space with a dense nucleus.
- D.Section : Mathematics
Show answer
Answer: C. An atom is mostly empty space with a dense nucleus.
Q6.How do plant cells respond immediately to a stimulus without specialized proteins like animal muscle cells?
- A.By secreting enzymes only
- B.By changing water content to cause swelling or shrinking
- C.By producing immune responses
- D.By breaking down food to release energy instantly
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Answer: B. By changing water content to cause swelling or shrinking
Q7.Among the following materials, which one has the highest electrical resistivity at room temperature?
- A.Iron
- B.Chromium
- C.Mercury
- D.Manganese
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Answer: D. Manganese
Q8.Which of the following statements is correct for uniform motion?
- A.The slope of the distance–time graph is constant.
- B.The slope of the distance–time graph is increasing.
- C.The slope of the distance–time graph is decreasing.
- D.The slope of the distance–time graph is zero.
Show answer
Answer: A. The slope of the distance–time graph is constant.
Q9.Which of the following best defines an ion?
- A.An atom or group of atoms that has a positive or negative charge
- B.A molecule with more neutrons than protons
- C.An atom with equal number of protons and electrons
- D.A neutral particle formed by the combination of atoms
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Answer: A. An atom or group of atoms that has a positive or negative charge
Q10.Why are sound waves classified as mechanical waves?
- A.They do not require a medium to travel
- B.They cause light oscillations
- C.They oscillate perpendicular to wave propagation
- D.They are characterised by the motion of particles in a medium
Show answer
Answer: D. They are characterised by the motion of particles in a medium
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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.