RRB Group D - General Science PYQ Quiz 261
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 261 — 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 combinations is an example of balanced meal?
- A.Burger, chips, cold drink
- B.Roti, vegetables, cold drink
- C.Roti, pulses, vegetables
- D.Rice, chips, cold drink
Show answer
Answer: C. Roti, pulses, vegetables
Q2.CuSO₄ + Mg → MgSO₄ + Cu In the above reaction Mg is the:
- A.oxidising agent
- B.dissolving agent
- C.catalyst
- D.reducing agent
Show answer
Answer: D. reducing agent
Q3.A steady current I flows through an appliance of resistance R. The amount of heat produced by it in time t is:
- A.I²R t
- B.(It)/R
- C.IRt
- D.(I²t)/R
Show answer
Answer: A. I²R t
Q4.When sodium sulphide reacts with dilute hydrochloric acid, a gas with unpleasant smell is produced. This gas with unpleasant smell is:
- A.H₂S
- B.SO₂
- C.SO₃
- D.H₂
Show answer
Answer: A. H₂S
Q5.The balanced reaction for the following chemical reaction is: Hydrogen + Bromine → Hydrogen bromide
- A.2H + Br₂ → 2 HBr
- B.H₂ + Br₂ → 2 HBr
- C.H + Br → HBr
- D.H₂ + 2Br → 2 HBr
Show answer
Answer: B. H₂ + Br₂ → 2 HBr
Q6.Which of the following is the chemical reaction involved in the baking soda preparation?
- A.NaHCO₃ + H⁺ → CO₂ + H₂O + Sodium salt of acid
- B.2 NaCl (aq) + 2 H₂O (l) → 2 NaOH (aq) → Cl₂ (g) + H₂ (g)
- C.NaCl + H₂O + CO₂ + NH₃ → NH₄Cl + NaHCO₃
- D.Ca(OH)₂ + Cl₂ → CaOCl₂ + H₂O
Show answer
Answer: C. NaCl + H₂O + CO₂ + NH₃ → NH₄Cl + NaHCO₃
Q7.The food prepared by the leaves of the plants is transported to which parts of the plant?
- A.Only to roots and seeds
- B.Only to roots and fruits
- C.Only to seeds and growing regions
- D.To storage organs of roots, seeds, fruits and growing regions
Show answer
Answer: D. To storage organs of roots, seeds, fruits and growing regions
Q8.Induced EMF in a coil during the phenomenon of electromagnetic induction is directly proportional to
- A.resistance of the circuit
- B.magnetic flux
- C.change in magnetic flux
- D.rate of change in magnetic flux
Show answer
Answer: D. rate of change in magnetic flux
Q9.In the absence of atmosphere, the colour of the sky would be:
- A.blue
- B.white
- C.black
- D.red
Show answer
Answer: C. black
Q10.Which of the following elements exhibits tetravalency similar to carbon?
- A.O
- B.Si
- C.Ne
- D.K
Show answer
Answer: B. Si
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