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Question (11)

QN007699

Cytokinesis refers to the division of:

(A) Nucleus
(B) Chromosomes
(C) Cytoplasm
(D) Cell wall

Correct Answer: C

Explanation:

Cytokinesis divides the cytoplasm.

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Question (12)

QN007700

Karyokinesis means division of the:

(A) Cytoplasm
(B) Cell membrane
(C) Nucleus
(D) Cell wall

Correct Answer: C

Explanation:

Karyokinesis is nuclear division.

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Question (13)

QN007701

Which structure helps chromosomes move during mitosis?

(A) Ribosomes
(B) Spindle fibres
(C) Vacuoles
(D) Lysosomes

Correct Answer: B

Explanation:

Spindle fibres help in chromosome movement.

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Question (14)

QN007702

Chromosomes become clearly visible during:

(A) Cell growth
(B) Cell division
(C) Respiration
(D) Osmosis

Correct Answer: B

Explanation:

Chromosomes condense and become visible during division.

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Question (15)

QN007703

Which phase is characterised by condensation of chromatin into chromosomes?

(A) Telophase
(B) Interphase
(C) Prophase
(D) Cytokinesis

Correct Answer: C

Explanation:

Chromatin condenses during prophase.

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Question (16)

QN007704

A human skin cell undergoes mitosis. If the parent cell has 46 chromosomes, each daughter cell will have:

(A) 23 chromosomes
(B) 92 chromosomes
(C) 46 chromosomes
(D) 24 chromosomes

Correct Answer: C

Explanation:

Mitosis produces identical daughter cells.

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Question (17)

QN007705

A cell takes 18 hours for interphase and 2 hours for mitosis. What is the total duration of one cell cycle?

(A) 16 hours
(B) 18 hours
(C) 20 hours
(D) 22 hours

Correct Answer: C

Explanation:

Total duration = 18 + 2 = 20 hours.

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Question (18)

QN007706

If one bacterial cell divides every 30 minutes, how many cells will be formed after 2 hours?

(A) 4
(B) 8
(C) 16
(D) 32

Correct Answer: C

Explanation:

Division occurs 4 times: 1 → 2 → 4 → 8 → 16.

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Question (19)

QN007707

Which of the following is the correct sequence of mitotic stages?

(A) Prophase → Anaphase → Metaphase → Telophase
(B) Metaphase → Prophase → Telophase → Anaphase
(C) Prophase → Metaphase → Anaphase → Telophase
(D) Telophase → Prophase → Metaphase → Anaphase

Correct Answer: C

Explanation:

Mitosis follows PMAT sequence.

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Question (20)

QN007708

In plant cells, cytokinesis generally occurs by formation of:

(A) Cleavage furrow
(B) Cell plate
(C) Centrosome
(D) Centriole

Correct Answer: B

Explanation:

Plant cells form a cell plate during cytokinesis.

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Question (11)

Cytokinesis refers to the division of:

Explanation:

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Question (12)

Karyokinesis means division of the:

Explanation:

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Question (13)

Which structure helps chromosomes move during mitosis?

Explanation:

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Question (14)

Chromosomes become clearly visible during:

Explanation:

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Question (15)

Which phase is characterised by condensation of chromatin into chromosomes?

Explanation:

Link:

Question (16)

A human skin cell undergoes mitosis. If the parent cell has 46 chromosomes, each daughter cell will have:

Explanation:

Link:

Question (17)

A cell takes 18 hours for interphase and 2 hours for mitosis. What is the total duration of one cell cycle?

Explanation:

Link:

Question (18)

If one bacterial cell divides every 30 minutes, how many cells will be formed after 2 hours?

Explanation:

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Question (19)

Which of the following is the correct sequence of mitotic stages?

Explanation:

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Question (20)

In plant cells, cytokinesis generally occurs by formation of:

Explanation:

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