Default Title

Question (11)

QN0026436

Which organelle is known as the “suicidal bag” of the cell?

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

Correct Answer: C

Explanation:

Lysosomes contain digestive enzymes.

Link:

Report Error

Question (12)

QN0026437

If a tissue contains 250 cells and each cell divides once, how many cells will be present finally?

(A) 250
(B) 500
(C) 750
(D) 1000

Correct Answer: B

Explanation:

Each cell forms two daughter cells.

Link:

Report Error

Question (13)

QN0026438

Which of the following is common to both plant and animal cells?

(A) Cell wall
(B) Chloroplast
(C) Plasma membrane
(D) Plastids

Correct Answer: C

Explanation:

Plasma membrane is present in all living cells.

Link:

Report Error

Question (14)

QN0026439

Which stage of mitosis is characterized by alignment of chromosomes at the equator?

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

Correct Answer: B

Explanation:

Chromosomes line up at the equatorial plate.

Link:

Report Error

Question (15)

QN0026440

A cell spends 16 hours in interphase out of a total 20-hour cell cycle. What percentage of time is spent in interphase?

(A) 40%
(B) 60%
(C) 70%
(D) 80%

Correct Answer: D

Explanation:

(16 ÷ 20) × 100 = 80%.

Link:

Report Error

Question (16)

QN0026441

Which cell organelle contains chlorophyll and performs photosynthesis?

(A) Chromoplast
(B) Leucoplast
(C) Chloroplast
(D) Ribosome

Correct Answer: C

Explanation:

Chloroplasts trap solar energy for photosynthesis.

Link:

Report Error

Question (17)

QN0026442

A student observes 10 cells across a microscope field diameter of 500 µm. What is the approximate size of one cell?

(A) 5 µm
(B) 50 µm
(C) 100 µm
(D) 500 µm

Correct Answer: B

Explanation:

Cell size = 500 ÷ 10 = 50 µm.

Link:

Report Error

Question (18)

QN0026443

Which structure forms the spindle fibres during cell division in animal cells?

(A) Vacuole
(B) Centrosome
(C) Lysosome
(D) Golgi apparatus

Correct Answer: B

Explanation:

Centrosome organizes spindle fibres.

Link:

Report Error

Question (19)

QN0026444

Which statement correctly explains the importance of cell theory?

(A) It applies only to plants
(B) It states that cells are non-living
(C) It unifies all living organisms on cellular basis
(D) It proves all organisms are unicellular

Correct Answer: C

Explanation:

Cell theory explains that all organisms are made of cells.

Link:

Report Error

Question (20)

QN0026445

A reproductive cell contains 14 chromosomes. How many chromosomes will be present in the body cells of the same organism?

(A) 7
(B) 14
(C) 21
(D) 28

Correct Answer: D

Explanation:

Body cells contain double the chromosome number of gametes.

Link:

Report Error

Question (11)

Which organelle is known as the “suicidal bag” of the cell?

Explanation:

Link:

Question (12)

If a tissue contains 250 cells and each cell divides once, how many cells will be present finally?

Explanation:

Link:

Question (13)

Which of the following is common to both plant and animal cells?

Explanation:

Link:

Question (14)

Which stage of mitosis is characterized by alignment of chromosomes at the equator?

Explanation:

Link:

Question (15)

A cell spends 16 hours in interphase out of a total 20-hour cell cycle. What percentage of time is spent in interphase?

Explanation:

Link:

Question (16)

Which cell organelle contains chlorophyll and performs photosynthesis?

Explanation:

Link:

Question (17)

A student observes 10 cells across a microscope field diameter of 500 µm. What is the approximate size of one cell?

Explanation:

Link:

Question (18)

Which structure forms the spindle fibres during cell division in animal cells?

Explanation:

Link:

Question (19)

Which statement correctly explains the importance of cell theory?

Explanation:

Link:

Question (20)

A reproductive cell contains 14 chromosomes. How many chromosomes will be present in the body cells of the same organism?

Explanation:

Link:

Excel With Tutors

ExcelWithTutors

For Student

For Tutors

Learn

OUR POLICY