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.
(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.
(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).
(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.
(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.
(A) Algae
(B) Fungi
(C) Bacteria
(D) Protozoa.
Correct Answer: [B] Fungi.
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