RRB Group D - General Science PYQ Quiz 97
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 97 — 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.What is the main function of leucoplasts in plant cells?
- A.Breaking down waste materials
- B.Absorbing sunlight
- C.Storing materials like starch, oils, and proteins
- D.Giving colour to flowers
Show answer
Answer: C. Storing materials like starch, oils, and proteins
Q2.A concave lens has a focal length of 15 cm. An object is placed at a distance of 30 cm from the lens. What is the magnification produced by the lens?
- A.+0.33
- B.-0.33
- C.+0.66
- D.-0.66
Show answer
Answer: A. +0.33
Q3.Which of the following statements is INCORRECT about DNA copies produced during the process of reproduction?
- A.DNA copies are single stranded.
- B.DNA copies generated are similar but not identical.
- C.Copying of DNA is a pre-requisite for reproduction.
- D.DNA copying is a completely error-free process.
Show answer
Answer: D. DNA copying is a completely error-free process.
Q4.Which of the following was the scientist who blended his knowledge of science and mathematics to arrive at the laws of inheritance?
- A.E Rutherford
- B.John Dalton
- C.Gregor Johann Mendel
- D.Camillo Golgi
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Answer: C. Gregor Johann Mendel
Q5.Which of the following organs is involved in the function of reflex action?
- A.Middle ear
- B.Spleen
- C.Spinal cord
- D.Kidney
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Answer: C. Spinal cord
Q6.Which of the following correctly explains the importance of pH in everyday life?
- A.Acid rain has pH greater than 7, which harms aquatic life.
- B.Our stomach secretes hydrochloric acid to maintain a pH around 2, aiding digestion.
- C.A bee sting injects a basic liquid, so it is treated with a weak acid like vinegar.
- D.Tooth enamel dissolves when the pH of the mouth rises above 7.5 due to bacterial activity.
Show answer
Answer: B. Our stomach secretes hydrochloric acid to maintain a pH around 2, aiding digestion.
Q7.Which of the following organs in human females can produce hormones?
- A.Salivary glands
- B.Cervix
- C.Fallopian tubes
- D.Ovaries
Show answer
Answer: D. Ovaries
Q8.Which of the following correctly describes the sequence of events leading to muscle movement?
- A.Blood flow → Protein activation → Nerve impulse → Movement
- B.Digestion → Blood circulation → Movement
- C.Nerve impulse → Muscle protein response → Muscle contraction
- D.DNA replication → Protein synthesis → Muscle movement
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Answer: C. Nerve impulse → Muscle protein response → Muscle contraction
Q9.What unique property of carbon atoms enables them to form long and stable chains with other carbon atoms?
- A.Allotropy
- B.Catenation
- C.Isomerism
- D.Tetravalency
Show answer
Answer: B. Catenation
Q10.Which gas is used by animals to live under water?
- A.Nitrogen
- B.Carbon dioxide
- C.Dry carbon dioxide
- D.Dissolved oxygen
Show answer
Answer: D. Dissolved oxygen
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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.