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Question (1)

QN007839

Which tissue is mainly responsible for growth in plants?

(A) Epidermal tissue
(B) Meristematic tissue
(C) Permanent tissue
(D) Vascular tissue

Correct Answer: B

Explanation:

Meristematic tissue contains actively dividing cells.

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Question (2)

QN007840

Increase in the height of a stem occurs due to the activity of:

(A) Lateral meristem
(B) Cork cambium
(C) Apical meristem
(D) Epidermis

Correct Answer: C

Explanation:

Apical meristem increases plant length.

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Question (3)

QN007841

In the onion root experiment, roots in Jar A continued growing because:

(A) Root hairs were removed
(B) Root tips remained intact
(C) Water was absent
(D) Leaves were exposed to sunlight

Correct Answer: B

Explanation:

Growth occurs at intact root tips.

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Question (4)

QN007842

Which observation confirms that growth in roots occurs at the tips?

(A) Presence of stomata
(B) Growth stops after root tips are cut
(C) Presence of chloroplasts
(D) Formation of bark

Correct Answer: B

Explanation:

Removal of root tips stops growth.

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Question (5)

QN007843

The continuously dividing cells in root tips are called:

(A) Permanent cells
(B) Epidermal cells
(C) Meristematic cells
(D) Conducting cells

Correct Answer: C

Explanation:

Meristematic cells divide continuously.

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Question (6)

QN007844

Which type of meristem increases the girth of stems?

(A) Apical meristem
(B) Intercalary meristem
(C) Lateral meristem
(D) Ground meristem

Correct Answer: C

Explanation:

Lateral meristem causes secondary growth.

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Question (7)

QN007845

Annual rings in tree trunks are formed due to the activity of:

(A) Intercalary meristem
(B) Lateral meristem
(C) Epidermis
(D) Phloem

Correct Answer: B

Explanation:

Lateral meristem forms annual rings.

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Question (8)

QN007846

By counting annual growth rings, scientists can estimate the:

(A) Height of tree
(B) Amount of chlorophyll
(C) Age of tree
(D) Number of leaves

Correct Answer: C

Explanation:

Each annual ring generally represents one year.

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Question (9)

QN007847

Grass regrows after grazing mainly due to the presence of:

(A) Apical meristem
(B) Lateral meristem
(C) Intercalary meristem
(D) Epidermis

Correct Answer: C

Explanation:

Intercalary meristem helps regeneration.

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Question (10)

QN007848

Intercalary meristem is usually found:

(A) At root cap
(B) At shoot apex only
(C) At base of internodes
(D) Inside xylem vessels

Correct Answer: C

Explanation:

It occurs near nodes and internodes.

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Question (1)

Which tissue is mainly responsible for growth in plants?

Explanation:

Link:

Question (2)

Increase in the height of a stem occurs due to the activity of:

Explanation:

Link:

Question (3)

In the onion root experiment, roots in Jar A continued growing because:

Explanation:

Link:

Question (4)

Which observation confirms that growth in roots occurs at the tips?

Explanation:

Link:

Question (5)

The continuously dividing cells in root tips are called:

Explanation:

Link:

Question (6)

Which type of meristem increases the girth of stems?

Explanation:

Link:

Question (7)

Annual rings in tree trunks are formed due to the activity of:

Explanation:

Link:

Question (8)

By counting annual growth rings, scientists can estimate the:

Explanation:

Link:

Question (9)

Grass regrows after grazing mainly due to the presence of:

Explanation:

Link:

Question (10)

Intercalary meristem is usually found:

Explanation:

Link:

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