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Question (1)

QN0026446

A gardener cuts the top of a hedge plant repeatedly. Which tissue activity mainly helps the plant continue producing new side branches?

(A) Sclerenchyma activity
(B) Intercalary meristem activity
(C) Apical meristem removal and lateral growth
(D) Xylem thickening

Correct Answer: C

Explanation:

Removal of apical dominance promotes growth of side branches.

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Question (2)

QN0026447

A student observes that the walls of xylem vessels are thick and lignified. What is the main advantage of this feature?

(A) Faster photosynthesis
(B) Better flexibility
(C) Prevention of collapse during water transport
(D) Storage of food

Correct Answer: C

Explanation:

Thick lignified walls help xylem withstand pressure.

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Question (3)

QN0026448

Why do epithelial cells in the skin occur in many layers?

(A) To absorb nutrients rapidly
(B) To increase gaseous exchange
(C) To protect against wear and tear
(D) To transport oxygen

Correct Answer: C

Explanation:

Stratified epithelium protects underlying tissues.

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Question (4)

QN0026449

A tall tree continues increasing in thickness year after year mainly due to the activity of:

(A) Apical meristem
(B) Intercalary meristem
(C) Lateral meristem
(D) Epidermal tissue

Correct Answer: C

Explanation:

Lateral meristem increases girth.

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Question (5)

QN0026450

Which tissue combination mainly ensures transport of water and food in plants?

(A) Parenchyma and collenchyma
(B) Xylem and phloem
(C) Epidermis and cork
(D) Meristem and sclerenchyma

Correct Answer: B

Explanation:

Xylem transports water; phloem transports food.

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Question (6)

QN0026451

A person with reduced haemoglobin level is likely to show decreased efficiency in:

(A) Blood clotting
(B) Oxygen transport
(C) Nerve impulse conduction
(D) Fat digestion

Correct Answer: B

Explanation:

Haemoglobin carries oxygen in RBCs.

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Question (7)

QN0026452

Which plant tissue is best suited for flexibility in leaf stalks and young stems?

(A) Sclerenchyma
(B) Collenchyma
(C) Xylem
(D) Cork

Correct Answer: B

Explanation:

Collenchyma provides flexible support.

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Question (8)

QN0026453

A student compares cartilage and bone. Which property is more characteristic of cartilage?

(A) High mineralisation
(B) Rigidity
(C) Elasticity
(D) Lignification

Correct Answer: C

Explanation:

Cartilage is flexible and elastic.

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Question (9)

QN0026454

If phloem tissue becomes damaged in a plant, which process will be most affected?

(A) Water absorption
(B) Food transport
(C) Mineral uptake
(D) Photosynthesis

Correct Answer: B

Explanation:

Phloem carries prepared food.

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Question (10)

QN0026455

Which tissue mainly allows rapid transmission of messages in animals?

(A) Blood tissue
(B) Connective tissue
(C) Nervous tissue
(D) Epithelial tissue

Correct Answer: C

Explanation:

Neurons conduct impulses rapidly.

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Question (1)

A gardener cuts the top of a hedge plant repeatedly. Which tissue activity mainly helps the plant continue producing new side branches?

Explanation:

Link:

Question (2)

A student observes that the walls of xylem vessels are thick and lignified. What is the main advantage of this feature?

Explanation:

Link:

Question (3)

Why do epithelial cells in the skin occur in many layers?

Explanation:

Link:

Question (4)

A tall tree continues increasing in thickness year after year mainly due to the activity of:

Explanation:

Link:

Question (5)

Which tissue combination mainly ensures transport of water and food in plants?

Explanation:

Link:

Question (6)

A person with reduced haemoglobin level is likely to show decreased efficiency in:

Explanation:

Link:

Question (7)

Which plant tissue is best suited for flexibility in leaf stalks and young stems?

Explanation:

Link:

Question (8)

A student compares cartilage and bone. Which property is more characteristic of cartilage?

Explanation:

Link:

Question (9)

If phloem tissue becomes damaged in a plant, which process will be most affected?

Explanation:

Link:

Question (10)

Which tissue mainly allows rapid transmission of messages in animals?

Explanation:

Link:

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