Friday, February 8, 2019

WBCS Polity and Constitution MCQs Prelims and Mains

Biology MCQ Practice Set - General Science P2

Biology 02

6. A plant cell shrinks when placed in
(A) A hypertonic solution
(B) A hypotonic solution
(C) Water
(D) A solution is isotonic with the cell sap.

Correct Answer: [A] A hypertonic solution.
7. Which of the following becomes zero in a fully turgid cell?
(A) Osmotic pressure
(B) All of the above
(C) Water potential
(D) Wall pressure.

Correct Answer: [A] Osmotic pressure.
8. The longest cell in animals is
(A) Blood cell
(B) Muscle cell Important
(C) Nerve cell
(D) Hepatocyte (liver cell).

Correct Answer: [C] Nerve cell.
9. Crossing over occurs during meiosis at
(A) Pachytene
(B) Diakinesis
(C) Leptotene
(D) Anaphase -I.

Correct Answer: [A] Pachytene.
10. According to a cellular structure which one of the following is most complex?
(A) Algae
(B) Fungi
(C) Bacteria
(D) Protozoa.

Correct Answer: [B] Fungi.


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