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Question (11)

QN007849

The point on a stem where leaves or branches arise is called:

(A) Internode
(B) Node
(C) Cortex
(D) Cambium

Correct Answer: B

Explanation:

Nodes bear leaves and branches.

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Question (12)

QN007850

The part of stem present between two nodes is called:

(A) Petiole
(B) Cortex
(C) Internode
(D) Lamina

Correct Answer: C

Explanation:

Internode lies between two nodes.

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Question (13)

QN007851

Which statement is correct about meristematic cells?

(A) They are dead cells
(B) They have large vacuoles
(C) They divide continuously
(D) They contain thick lignified walls

Correct Answer: C

Explanation:

Meristematic cells are actively dividing cells.

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Question (14)

QN007852

Meristematic cells generally lack vacuoles because:

(A) Vacuoles prevent photosynthesis
(B) Vacuoles occupy space needed for active division
(C) Vacuoles store chlorophyll
(D) Vacuoles increase rigidity

Correct Answer: B

Explanation:

Small or absent vacuoles allow active metabolism.

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Question (15)

QN007853

Which feature is characteristic of meristematic tissue?

(A) Large intercellular spaces
(B) Thick lignified walls
(C) Dense cytoplasm
(D) Dead cells

Correct Answer: C

Explanation:

Meristematic cells contain dense cytoplasm.

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Question (16)

QN007854

Meristematic cells are tightly packed mainly because:

(A) They store food
(B) They perform photosynthesis
(C) They undergo rapid division
(D) They conduct water

Correct Answer: C

Explanation:

Rapidly dividing cells remain compactly arranged.

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Question (17)

QN007855

The process by which meristematic cells become specialised is called:

(A) Respiration
(B) Translocation
(C) Differentiation
(D) Germination

Correct Answer: C

Explanation:

Differentiation forms specialised tissues.

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Question (18)

QN007856

Permanent tissues are formed from meristematic tissues by:

(A) Elongation
(B) Differentiation
(C) Photosynthesis
(D) Transpiration

Correct Answer: B

Explanation:

Meristematic cells differentiate into permanent tissues.

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Question (19)

QN007857

Which tissue helps plants grow in length?

(A) Intercalary meristem only
(B) Lateral meristem only
(C) Apical meristem
(D) Cork tissue

Correct Answer: C

Explanation:

Apical meristem increases length.

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Question (20)

QN007858

Increase in stem diameter occurs because lateral meristem produces new cells:

(A) At root tip only
(B) Inside and outside concentrically
(C) At leaf margins
(D) Around stomata

Correct Answer: B

Explanation:

Lateral meristem adds layers on both sides.

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Question (11)

The point on a stem where leaves or branches arise is called:

Explanation:

Link:

Question (12)

The part of stem present between two nodes is called:

Explanation:

Link:

Question (13)

Which statement is correct about meristematic cells?

Explanation:

Link:

Question (14)

Meristematic cells generally lack vacuoles because:

Explanation:

Link:

Question (15)

Which feature is characteristic of meristematic tissue?

Explanation:

Link:

Question (16)

Meristematic cells are tightly packed mainly because:

Explanation:

Link:

Question (17)

The process by which meristematic cells become specialised is called:

Explanation:

Link:

Question (18)

Permanent tissues are formed from meristematic tissues by:

Explanation:

Link:

Question (19)

Which tissue helps plants grow in length?

Explanation:

Link:

Question (20)

Increase in stem diameter occurs because lateral meristem produces new cells:

Explanation:

Link:

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