RRB Group D - General Science PYQ Quiz 272
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 272 — 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.A 2200 W electric toaster operates at 220 V. The resistance of its coil is:
- A.44 Ω
- B.22 Ω
- C.88 Ω
- D.11 Ω
Show answer
Answer: B. 22 Ω
Q2.In the process of storing and transferring ADP into ATP molecules, which of the following minerals is critical?
- A.Sodium
- B.Phosphorus
- C.Calcium
- D.Iron
Show answer
Answer: B. Phosphorus
Q3.The centre of curvature of a convex mirror is located at +18 cm, as per New Cartesian Sign convention. Its focus is at:
- A.18 cm
- B.9 cm
- C.−18 cm
- D.−9 cm
Show answer
Answer: B. 9 cm
Q4.Name the process by which soluble products of photosynthesis are transported to other parts of the plant.
- A.Translocation
- B.Transpiration
- C.Osmosis
- D.Diffusion
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Answer: A. Translocation
Q5.Which of the following reactions is NOT an example of a displacement reaction?
- A.Pb(s) + CuCl₂(aq) → PbCl₂(aq) + Cu(s)
- B.2AgBr(s) →(Sunlight) 2Ag(s) + Br₂(g)
- C.Zn(s) + CuSO₄(aq) → ZnSO₄(aq) + Cu(s)
- D.Fe(s) + CuSO₄(aq) → FeSO₄(aq) + Cu(s)
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Answer: B. 2AgBr(s) →(Sunlight) 2Ag(s) + Br₂(g)
Q6.Catenation property is shown by:
- A.Oxygen
- B.Nitrogen
- C.carbon
- D.Helium
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Answer: C. carbon
Q7.How many resistors of 12 Ω must be connected in parallel combination to obtain 4 Ω resistance?
- A.4 resistors
- B.2 resistors
- C.3 resistors
- D.8 resistors
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Answer: C. 3 resistors
Q8.Bone is an example of which of the following types of tissues?
- A.Epithelial tissue
- B.Muscular tissue
- C.Connective tissue
- D.Nervous tissue
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Answer: C. Connective tissue
Q9.In the reaction MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂:
- A.MnO₂ is reduced to MnCl₂
- B.MnCl₂ is reduced to MnO₂
- C.MnO₂ is oxidized to MnCl₂
- D.Mn does not undergo redox reaction
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Answer: A. MnO₂ is reduced to MnCl₂
Q10.Which of following molecules govern the inheritance of a trait by the offspring?
- A.Proteins
- B.Paternal and maternal DNA
- C.Only paternal DNA
- D.Only maternal DNA
Show answer
Answer: B. Paternal and maternal DNA
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