RRB Group D - General Science PYQ Quiz 195
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 195 — 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.Vinegar is a 5-8% solution of which of the following?
- A.Formic acid in water
- B.Sodium hydroxide in water
- C.Acetic acid in water
- D.Calcium carbonate in water
Show answer
Answer: C. Acetic acid in water
Q2.Consider the following statements and select the correct option. Statement A: A neutralisation reaction occurs when an acid reacts with a base. Statement B: Water and salt are formed during neutralisation.
- A.Both statements A and B are incorrect.
- B.Both statements A and B are correct.
- C.Statement A is correct but B is incorrect.
- D.Statement A is incorrect but B is correct.
Show answer
Answer: B. Both statements A and B are correct.
Q3.Which of the following correctly distinguishes binary fission from multiple fission in unicellular organisms?
- A.Binary fission occurs only in multicellular organisms, while multiple fission occurs in unicellular ones.
- B.Binary fission results in many daughter cells, while multiple fission forms only two.
- C.Binary fission requires spores, but multiple fission does not.
- D.Binary fission produces two daughter cells, whereas multiple fission produces many daughter cells at once.
Show answer
Answer: D. Binary fission produces two daughter cells, whereas multiple fission produces many daughter cells at once.
Q4.Parenchyma cells contain large intercellular spaces for:
- A.Protection and transpiration
- B.Gas exchange and storage
- C.Conduction and secretion
- D.Photosynthesis and support
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Answer: B. Gas exchange and storage
Q5.In HIV infection, the 'window period' refers to the phase during which .
- A.symptoms are severe
- B.HIV antibodies are not detectable in tests
- C.the patient dies
- D.HIV antibodies are detectable in tests
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Answer: B. HIV antibodies are not detectable in tests
Q6.Which of the following is a major condition for successful beekeeping?
- A.Presence of pollinating insects
- B.Availability of flowering plants throughout the year
- C.Use of pesticides
- D.Growing wheat and rice
Show answer
Answer: B. Availability of flowering plants throughout the year
Q7.In a Closed System, if 15 gm of substance A reacts with 10 gm of substance B, the total mass of the products should be
- A.15 gm
- B.10 gm
- C.25 gm
- D.0 gm
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Answer: C. 25 gm
Q8.Which of the following statements about Presbyopia is correct?
- A.The near point becomes less than 25 cm.
- B.It usually occurs in young children.
- C.It occurs due to weakening of ciliary muscles and loss of lens flexibility.
- D.It is corrected only by concave lenses.
Show answer
Answer: C. It occurs due to weakening of ciliary muscles and loss of lens flexibility.
Q9.If an object is placed at a distance 'u' from a convex lens, 'u' .
- A.is taken as negative
- B.is taken as positive
- C.depends on the type of image
- D.is taken as zero
Show answer
Answer: A. is taken as negative
Q10.Which of the following shows the correct formula for acceleration?
- A.acceleration = force × mass
- B.acceleration = change in velocity / time taken
- C.acceleration = change in velocity × time
- D.acceleration = distance / time Section : Mathematics
Show answer
Answer: B. acceleration = change in velocity / time taken
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