RRB Group D - General Science PYQ Quiz 88
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 88 — 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 statements best explains why isotopes of an element have identical chemical properties but different physical properties?
- A.Isotopes have the same atomic number but differ in their number of neutrons, which affects physical properties like mass.
- B.Isotopes have the same number of protons and neutrons but different numbers of electrons.
- C.Isotopes differ in the number of protons, leading to different behaviours in chemical reactions.
- D.Isotopes have completely different atomic structures, affecting both their physical and chemical properties. Section : Mathematics
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Answer: A. Isotopes have the same atomic number but differ in their number of neutrons, which affects physical properties like mass.
Q2.The work required by an external force to bring a moving body to rest is equal to:
- A.its weight
- B.its kinetic energy
- C.its momentum
- D.its potential energy
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Answer: B. its kinetic energy
Q3.Which of the following helps in maintaining reproductive health?
- A.Junk food
- B.Health education and medical care
- C.Early marriage
- D.Ignoring hygiene
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Answer: B. Health education and medical care
Q4.The working principle of a stethoscope is based on the .
- A.conversion of sound into electric signals only
- B.conversion of sound into light for observation
- C.absorption of high-frequency sound
- D.reflection of sound
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Answer: D. reflection of sound
Q5.Which of the following statements is true for a concave lens?
- A.Image is always virtual, erect, and on the same side as the object
- B.Image is much larger than object
- C.Image is always virtual and on the opposite side
- D.Image is always real
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Answer: A. Image is always virtual, erect, and on the same side as the object
Q6.Which of the following alcohols is commonly used as a fuel or fuel additive?
- A.Methanol
- B.Butanol
- C.Ethanol
- D.Propanol
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Answer: C. Ethanol
Q7.Which of the following statements correctly describes a typical physical property of metals?
- A.Metals are poor conductors of heat and electricity.
- B.Metals have low melting and boiling points.
- C.Metals are generally brittle and break easily when hammered.
- D.Metals are sonorous and produce sound when struck.
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Answer: D. Metals are sonorous and produce sound when struck.
Q8.When lead nitrate reacts with potassium iodide, a yellow precipitate of compound ‘X’ is formed. Identify compound X.
- A.Lead(II) nitrite [Pb(NO2)2]
- B.Lead(II) nitrate [Pb(NO3)2]
- C.Lead(II) iodide (PbI2)
- D.Potassium nitrate (KNO3)
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Answer: C. Lead(II) iodide (PbI2)
Q9.Ethanol is miscible with water due to presence of which functional group?
- A.Hydroxyl group
- B.Carbon chain
- C.Carboxyl group
- D.Double bond
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Answer: A. Hydroxyl group
Q10.Which of the following statements about adrenaline is INCORRECT?
- A.It reduces blood supply to the digestive system and directs it toward the skeletal muscles.
- B.It helps the body respond to stress or emergency by triggering the ‘fight or flight’ response.
- C.It increases heart rate and breathing rate to supply more oxygen to the muscles.
- D.It promotes digestion by increasing blood flow to the stomach.
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Answer: D. It promotes digestion by increasing blood flow to the stomach.
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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.