RRB Group D - General Science PYQ Quiz 269
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 269 — 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.Arun was performing an experiment in the laboratory. He took a solution of ferric chloride and added some zinc pieces of zinc. When the yellow colour of ferric chloride disappeared, which compound was formed?
- A.Fe(OH)₃
- B.Zn(OH)₂
- C.ZnCl₂
- D.FeCl₂
Show answer
Answer: C. ZnCl₂
Q2.In the following ecological pyramid, deer occupies ________. Level 4 Level 3 Level 2 Level 1: Producers
- A.Level 3
- B.Level 2
- C.Level 1
- D.Level 4
Show answer
Answer: B. Level 2
Q3.Which of the following statements about double displacement reactions is correct?
- A.An exchange of ions between two reactants.
- B.Only one reactant is required.
- C.The number of products should be one.
- D.The reactant should be organic.
Show answer
Answer: A. An exchange of ions between two reactants.
Q4.Which element is neither metal nor non-metal?
- A.Mg
- B.P
- C.Al
- D.Ge
Show answer
Answer: D. Ge
Q5.Which of the following methods is a surgical method that is used to prevent sperm transfer from mates?
- A.Fallopian tubes are blocked
- B.Copper T is inserted
- C.Condom is used
- D.Vas deferens is blocked
Show answer
Answer: D. Vas deferens is blocked
Q6.Combustion of one unit area mole of nitric oxide gives ______ carbon dioxide and ______ water molecules, respectively.
- A.2; 3
- B.1; 2
- C.3; 1
- D.4; 2
Show answer
Answer: B. 1; 2
Q7.Researchers at IIT Guwahati have developed a 'smart' window material in May 2021. What is the use of this material?
- A.It increases the life of medical oxygen cylinders.
- B.It locates sources of faint light from distant quasars.
- C.It allows automatic climate control of buildings.
- D.It maintains oxygen pressure that works without electricity.
Show answer
Answer: C. It allows automatic climate control of buildings.
Q8.Which of the following elements is most metallic in nature?
- A.Ca
- B.Be
- C.Ba
- D.Sr
Show answer
Answer: C. Ba
Q9.Which of the following statements about ozone is correct? Choose the right option.
- A.It protects the citizens' money.
- B.Its excessive amount is not harmful, which causes the death of aquatic animals.
- C.It reduces the effect of this climate change.
- D.Its judicious use also increases air pollution.
Show answer
Answer: D. Its judicious use also increases air pollution.
Q10.The direction of the current in a coil of a motor is reversed by:
- A.split ring
- B.slip ring
- C.axle
- D.brushes
Show answer
Answer: A. split ring
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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.