RRB Group D - General Science PYQ Quiz 194
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 194 — 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.How are the metals in the middle of the activity series usually extracted?
- A.By heating alone
- B.By reduction using carbon
- C.By electrolysis
- D.By dissolving in water
Show answer
Answer: B. By reduction using carbon
Q2.A mass of 3 kg is lifted to a height of 12 m. What is the value of potential energy at the given height? (Take g = 10 m/s2)
- A.360.0 J
- B.36.0 J
- C.3.0 J
- D.4.0 J
Show answer
Answer: A. 360.0 J
Q3.What is the function of the nuclear membrane in a cell?
- A.It regulates the transfer of material between nucleus and cytoplasm.
- B.It provides energy for nuclear division during mitosis.
- C.It prevents the entry of gases and water molecules into the nucleus.
- D.It stores digestive enzymes for chromosomal activities.
Show answer
Answer: A. It regulates the transfer of material between nucleus and cytoplasm.
Q4.What is the primary function of lysosomes in a cell?
- A.Digestion of foreign materials and worn-out organelles
- B.Production of energy in the form of ATP molecules
- C.Regulation of water and mineral balance within the cytoplasm
- D.Synthesis of proteins and lipids for cell membranes
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Answer: A. Digestion of foreign materials and worn-out organelles
Q5.The measurable quantity 'Density' may be represented in the SI unit of:
- A.grams per metre
- B.kilograms per square metre
- C.kilograms per cubic metre
- D.kilograms per metre
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Answer: C. kilograms per cubic metre
Q6.In animals, which of the following hormones are secreted during a scary situation?
- A.Growth hormone
- B.Thyroxin
- C.Adrenaline
- D.Insulin
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Answer: C. Adrenaline
Q7.Which of the following statements about asexual reproduction is INCORRECT?
- A.It involves the fusion of male and female gametes.
- B.It involves only one parent.
- C.Fission is a method of asexual reproduction.
- D.It produces offspring that are genetically identical clones of the parent.
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Answer: A. It involves the fusion of male and female gametes.
Q8.What is the formula unit mass of sodium chloride (NaCl)?
- A.35.5u
- B.57u
- C.58.5u
- D.23u
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Answer: C. 58.5u
Q9.The cleansing action of soap is due to which of its properties?
- A.Being a strong acid
- B.Being a strong base
- C.High melting point
- D.Ability to form micelles
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Answer: D. Ability to form micelles
Q10.Which of the following is NOT explained by the law of gravitation?
- A.The electrostatic attraction between two charged bodies
- B.Tides in oceans
- C.Artificial satellites revolving around the Earth
- D.Falling of raindrops to the Earth
Show answer
Answer: A. The electrostatic attraction between two charged bodies
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