RRB Group D - General Science PYQ Quiz 78
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 78 — 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 meristems is responsible for the lengthwise growth at the of shoots and roots?
- A.Intercalary meristem
- B.Lateral meristem
- C.Permanent meristem
- D.Apical meristem
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Answer: D. Apical meristem
Q2.Which of the following metallic oxides can be reduced to metals by heating alone?
- A.Manganese oxide
- B.Mercuric oxide
- C.Iron (III) oxide
- D.Zinc oxide
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Answer: B. Mercuric oxide
Q3.Which process is used to prepare sodium hydroxide from brine?
- A.Haber process
- B.Solvay process
- C.Thermal decomposition of NaCl
- D.Electrolysis of brine
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Answer: D. Electrolysis of brine
Q4.What is the main function of the vas deferens in the male reproductive system?
- A.Sperm production
- B.Seminal fluid secretion
- C.Transporting sperm from the epididymis to the urethra
- D.Regulating body temperature
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Answer: C. Transporting sperm from the epididymis to the urethra
Q5.An atom has 11 protons, 11 electrons and 12 neutrons. What is the mass number of that atom?
- A.12
- B.23
- C.11
- D.24
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Answer: B. 23
Q6.An object is placed 30 cm in front of a concave mirror of focal length 15 cm. What will be the image distance v?
- A.+15 cm
- B.+30 cm
- C.–15 cm
- D.–30 cm
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Answer: D. –30 cm
Q7.Which of the following ensures genetic variation in sexually reproducing animals?
- A.Offspring receive genes from both parents
- B.Fertilisation occurs inside the body
- C.Gametes are formed by mitosis
- D.Only one parent is involved
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Answer: A. Offspring receive genes from both parents
Q8.Which gas is mainly responsible for the greenhouse effect and is released when fossil fuels are burned?
- A.Oxygen
- B.Hydrogen
- C.Carbon dioxide
- D.Nitrogen
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Answer: C. Carbon dioxide
Q9.According to Bohr's Model of atom, electrons revolve around the nucleus in .
- A.elliptical path
- B.random path
- C.discrete orbits
- D.straight lines
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Answer: C. discrete orbits
Q10.A net horizontal force of 20 N acts on a 4 kg block initially at rest for 5 s. What is the block’s final speed?
- A.30 m/s
- B.50 m/s
- C.25 m/s
- D.20 m/s
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Answer: C. 25 m/s
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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.