Default Title

Question (31)

QN007719

Which process is directly responsible for growth in multicellular organisms?

(A) Respiration
(B) Excretion
(C) Cell division
(D) Diffusion

Correct Answer: C

Explanation:

Growth occurs due to repeated cell division.

Link:

Report Error

Question (32)

QN007720

A fertilized egg develops into an embryo mainly through repeated:

(A) Meiosis
(B) Diffusion
(C) Mitosis
(D) Osmosis

Correct Answer: C

Explanation:

Embryo formation occurs through mitotic divisions.

Link:

Report Error

Question (33)

QN007721

Which stage marks the beginning of mitosis?

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

Correct Answer: B

Explanation:

Prophase is the first stage of mitosis.

Link:

Report Error

Question (34)

QN007722

Which structure disappears during prophase?

(A) Chromosomes
(B) Cell wall
(C) Nuclear membrane
(D) Cytoplasm

Correct Answer: C

Explanation:

Nuclear membrane breaks down during prophase.

Link:

Report Error

Question (35)

QN007723

In which stage do chromatids move towards opposite poles?

(A) Prophase
(B) Metaphase
(C) Anaphase
(D) Interphase

Correct Answer: C

Explanation:

Sister chromatids separate during anaphase.

Link:

Report Error

Question (36)

QN007724

If one onion root tip cell undergoes mitosis three times, how many cells will be produced?

(A) 2
(B) 4
(C) 6
(D) 8

Correct Answer: D

Explanation:

1 → 2 → 4 → 8 cells after three mitotic divisions.

Link:

Report Error

Question (37)

QN007725

Which cell organelle helps in spindle formation in animal cells?

(A) Lysosome
(B) Centrosome
(C) Ribosome
(D) Vacuole

Correct Answer: B

Explanation:

Centrosome organizes spindle fibres.

Link:

Report Error

Question (38)

QN007726

Which statement is correct about daughter cells formed after mitosis?

(A) They are genetically different
(B) They contain half the chromosomes
(C) They are genetically identical
(D) They lack nucleus

Correct Answer: C

Explanation:

Mitosis produces identical daughter cells.

Link:

Report Error

Question (39)

QN007727

Which process replaces worn-out cells in the body?

(A) Photosynthesis
(B) Cell division
(C) Digestion
(D) Transpiration

Correct Answer: B

Explanation:

Cell division replaces damaged and worn-out cells.

Link:

Report Error

Question (40)

QN007728

A cell with 16 chromosomes undergoes meiosis. How many chromosomes will each daughter cell contain?

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

Correct Answer: B

Explanation:

Meiosis halves the chromosome number.

Link:

Report Error

Question (31)

Which process is directly responsible for growth in multicellular organisms?

Explanation:

Link:

Question (32)

A fertilized egg develops into an embryo mainly through repeated:

Explanation:

Link:

Question (33)

Which stage marks the beginning of mitosis?

Explanation:

Link:

Question (34)

Which structure disappears during prophase?

Explanation:

Link:

Question (35)

In which stage do chromatids move towards opposite poles?

Explanation:

Link:

Question (36)

If one onion root tip cell undergoes mitosis three times, how many cells will be produced?

Explanation:

Link:

Question (37)

Which cell organelle helps in spindle formation in animal cells?

Explanation:

Link:

Question (38)

Which statement is correct about daughter cells formed after mitosis?

Explanation:

Link:

Question (39)

Which process replaces worn-out cells in the body?

Explanation:

Link:

Question (40)

A cell with 16 chromosomes undergoes meiosis. How many chromosomes will each daughter cell contain?

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY