RRB Group D - General Science PYQ Quiz 112
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 112 — 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.The anion formed by which of the following non-metals reacts with Ca2+ ion to form a stable ionic compound?
- A.Boron
- B.Carbon
- C.Oxygen
- D.Nitrogen
Show answer
Answer: C. Oxygen
Q2.Which of the following is a T-shaped intra-uterine contraceptive device that offers long-term (multi-year) birth control?
- A.Copper-T
- B.Male condom
- C.Birth control pill
- D.Diaphragm
Show answer
Answer: A. Copper-T
Q3.(CH₃)₃-C-CH₃ represents the structural formula of which of the following organic compounds?
- A.3-methyl butane
- B.2,2-dimethyl propane
- C.2,3-dimethyl propane
- D.methyl butane
Show answer
Answer: B. 2,2-dimethyl propane
Q4.Which of the following products is formed on complete combustion of hydrocarbons? CO₂ and water
- A.CO and water
- B.Methane and hydrogen
- C.Methane and oxygen
- D.Section : Mathematics
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Answer: A. CO and water
Q5.Detergents can work in which of the following?
- A.Only hot water
- B.Only soft water
- C.Only distilled water
- D.Both hard and soft water
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Answer: D. Both hard and soft water
Q6.A concave mirror forms an image at a distance of 20 cm when an object is placed 10 cm in front of it. What is the focal length of this mirror?
- A.20 cm
- B.40 cm
- C.10 cm
- D.30 cm
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Answer: A. 20 cm
Q7.Which of the following reproductive method will generate greater diversity in population?
- A.Binary fission
- B.Sexual reproduction
- C.Fragmentation
- D.Budding
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Answer: B. Sexual reproduction
Q8.Why is the plasma membrane called selectively permeable?
- A.It blocks all substances from entering.
- B.It dissolves unwanted materials.
- C.It allows only certain substances to pass in or out.
- D.It allows all substances to pass freely.
Show answer
Answer: C. It allows only certain substances to pass in or out.
Q9.When dilute hydrochloric acid reacts with sodium hydrogencarbonate, which of the following observations is correct?
- A.Formation of hydrogen gas with a pop sound
- B.Formation of brown fumes of nitrogen dioxide
- C.Formation of a salt and water only
- D.Rapid evolution of a colourless gas that turns lime water milky
Show answer
Answer: D. Rapid evolution of a colourless gas that turns lime water milky
Q10.Read the given Assertion (A) and Reason (R) carefully and select the correct option. (A): Mendel chose pea plants for his experiments because they were easy to grow and showed distinct contrasting traits. (R): Pea plants reproduce asexually, allowing Mendel to control crosses easily.
- A.Both A and R are true, but R is not the correct explanation of A
- B.Both A and R are true, and R is the correct explanation of A
- C.A is true, but R is false
- D.A is false, but R is true
Show answer
Answer: C. A is true, but R is false
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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.