RRB Group D - General Science PYQ Quiz 254
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 254 — 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 metallic wire having resistivity ρ is cut into four equal parts. The resistivity of each part is:
- A.ρ/2
- B.ρ/4
- C.ρ
- D.4 ρ
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Answer: A. ρ/2
Q2.Which of the following is the most electropositive element?
- A.Cs
- B.Ca
- C.Na
- D.Mg
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Answer: B. Ca
Q3.A spherical mirror forms an erect and diminished image. Identify the correct statement(s) about the spherical mirror. (A) The mirror is concave. (B) The mirror forms a virtual image. (C) The mirror has positive focal length.
- A.Only A
- B.Only B
- C.Both B and C
- D.Both A and B
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Answer: A. Only A
Q4.______ is represented by the root apex's constantly dividing cells.
- A.Meristematic growth
- B.Germination
- C.Increase hormonal level
- D.Maturation
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Answer: A. Meristematic growth
Q5.Magnification produced by a lens is equal to:
- A.v/u
- B.−v/u
- C.u/v
- D.−u/v
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Answer: B. −v/u
Q6.Some factors that reduce the activity of the kidneys leading to accumulation of poisonous wastes in the body are mentioned below. Select the INCORRECT option.
- A.Not smoking
- B.Restricted blood flow to kidney
- C.Injury
- D.Infection
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Answer: A. Not smoking
Q7.Which of the following events takes place during diastole in the human heart?
- A.Blood enters the aorta
- B.Blood enters the lungs
- C.Blood leaves the ventricle
- D.Blood enters the ventricle
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Answer: B. Blood enters the lungs
Q8.To connect a number of resistors in parallel can be considered equivalent to:
- A.increasing length of the conductor
- B.decreasing cross sectional area of the conductor
- C.increasing resistance of the conductor
- D.increasing cross sectional area of the conductor
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Answer: D. increasing cross sectional area of the conductor
Q9.Which of the following medicinal plants is the best remedy to treat blood pressure?
- A.Sarpagandha
- B.Rajnigandha
- C.Alukam
- D.Navmallika
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Answer: A. Sarpagandha
Q10.Which of the following is the storage carbohydrate in plants?
- A.Glycogen
- B.Sucrose
- C.Glucose
- D.Starch
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Answer: D. Starch
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