RRB Group D - General Science PYQ Quiz 279
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 279 — 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 is not the use of bleaching powder? (i) to make drinking water free from germs (ii) in soda-acid fire extinguishers (iii) as an oxidising agent in many chemical industries (iv) for baking cakes
- A.ii
- B.iii
- C.iv
- D.i
Show answer
Answer: C. iv
Q2.Soil degradation is one of the major environmental problems being faced these days. A wide range of techniques to conserve soil are mentioned below. Select the INCORRECT option.
- A.Crop rotation
- B.Planting trees
- C.Terrace farming
- D.Overgrazing
Show answer
Answer: D. Overgrazing
Q3.A contraceptive technique that increases phagocytosis of sperms within the uterus is:
- A.use of oral contraceptives
- B.use of condoms
- C.surgery
- D.use of copper T
Show answer
Answer: D. use of copper T
Q4.The resistivity of a material is dependent on which of the following factors?
- A.Temperature
- B.Length
- C.Resistance
- D.Area of cross section
Show answer
Answer: A. Temperature
Q5.A convex mirror used as a rear-view mirror of a car has a focal length of 2 m. If a bus is located at a distance of 3 m from the mirror, where will its image be formed?
- A.1.2 m behind the mirror
- B.0.83 m in front of the mirror
- C.1.2 m in front of the mirror
- D.0.83 m behind the mirror
Show answer
Answer: A. 1.2 m behind the mirror
Q6.Guard cells are involved in the process of ________.
- A.transport of food
- B.tropic movements
- C.circulation
- D.transpiration
Show answer
Answer: D. transpiration
Q7.Which of the following rules is used to determine the direction of induced current due to the motion of coil at right angle to the magnetic field?
- A.Fleming's right-hand rule
- B.Maxwell's corkscrew rule
- C.Right-hand thumb rule
- D.Fleming's left-hand rule
Show answer
Answer: A. Fleming's right-hand rule
Q8.Which of the following has the maximum non-metallic characters in group 16 elements?
- A.Po
- B.Se
- C.S
- D.O
Show answer
Answer: D. O
Q9.What will come in place of A and B, respectively, in the given double displacement reaction? A + B → AgBr + KNO₃
- A.HBr and NaOH
- B.Ag and HNO₃
- C.HBr and NaOH
- D.AgNO₃ and KBr
Show answer
Answer: D. AgNO₃ and KBr
Q10.Which of the following is an example of a human cell that has the ability to modify its shape?
- A.RBC
- B.WBC
- C.Brain cell
- D.Liver cells
Show answer
Answer: B. WBC
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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.