RRB Group D - General Science PYQ Quiz 278
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 278 — 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.Arrange the following metals in the decreasing order of reactivity: K, Na, Zn, Cu, Hg, Ag
- A.K > Na > Zn > Ag > Hg > Cu
- B.K > Na > Zn > Ag > Hg > Cu
- C.K > Na > Zn > Cu > Hg > Ag
- D.K > Na > Zn > Hg > Cu > Ag
Show answer
Answer: C. K > Na > Zn > Cu > Hg > Ag
Q2.A student focusses a sharp image of sun using a spherical mirror on a sheet of paper, which starts to burn after some time. Which of the following statement/statements about the mirror is/are correct? (a) It is concave spherical mirror (b) It has positive focal length (c) It is a converging mirror
- A.Both (a) and (c)
- B.Both (a) and (b)
- C.(a), (b) and (c)
- D.Both (b) and (c)
Show answer
Answer: A. Both (a) and (c)
Q3.Which of the following statements is FALSE?
- A.In the first stage of respiration, breakdown of glucose takes place.
- B.In the mitochondria, acetic acid is broken down utilising oxygen.
- C.Pyruvic acid is produced in the first stage of respiration.
- D.Oxygen is not necessary for the fermentation process.
Show answer
Answer: B. In the mitochondria, acetic acid is broken down utilising oxygen.
Q4.Which of the following is the commercial unit of electric energy?
- A.Calorie
- B.Kilowatt hour
- C.Joule
- D.Watt second
Show answer
Answer: B. Kilowatt hour
Q5.In Newlands' Octaves, the properties of which two elements were found to be the same?
- A.Li, Na
- B.Na, Mg
- C.H, Th
- D.Ca, Cl
Show answer
Answer: A. Li, Na
Q6.The balanced reaction for following chemical reaction is: Barium sulphate + Aluminium chloride → Barium chloride + Aluminium sulphate
- A.2 BaSO₄ + 2 AlCl₃ → 2 BaCl₂ + Al₂(SO₄)₃
- B.BaSO₄ + AlCl₃ → BaCl₂ + Al₂(SO₄)₃
- C.BaSO₄ + AlCl₃ → BaCl₂ + AlSO₄
- D.3 BaSO₄ + 2 AlCl₃ → 3 BaCl₂ + Al₂(SO₄)₃
Show answer
Answer: D. 3 BaSO₄ + 2 AlCl₃ → 3 BaCl₂ + Al₂(SO₄)₃
Q7.The bluish colour of water in deep sea is due to:
- A.reflection of light
- B.refraction of light
- C.scattering of light
- D.dispersion of light
Show answer
Answer: C. scattering of light
Q8.What is the need to balance chemical equations?
- A.To indicate the ratio of volumes of reactants and products in which these react.
- B.To satisfy the law of conservation of mass.
- C.To satisfy the law of constant proportions.
- D.To indicate the ratio of masses of reactants and products in which these react.
Show answer
Answer: B. To satisfy the law of conservation of mass.
Q9.A white precipitate will be formed if we add ammonia solution to:
- A.Mg(NO₃)₂ solution
- B.Ba(NO₃)₂ solution
- C.AlCl₃ solution
- D.KNO₃ solution
Show answer
Answer: C. AlCl₃ solution
Q10.Which of the following substances are selectively reabsorbed from the initial filtrate by the tubular portion of the nephron in human kidney?
- A.Glucose, water, amino acids and proteins
- B.Salts, glucose, fats and water
- C.Glucose, water, salts and amino acids
- D.Water, glucose, salts and proteins
Show answer
Answer: C. Glucose, water, salts and amino acids
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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.