Question 3
Girth of stem increases due to

(a) apical meristem
(b) lateral meristem
(c) intercalary meristem
(d) vertical meristem

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Solution

(b) lateral meristem

Lateral meristem is present along the side of the stem. They are responsible for growth in girth, i.e. secondary growth.

Lateral meristems are found in all woody plants. Example :Trees, shrubs etc.

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Q. Question 3
Girth of stem increases due to

(a) apical meristem
(b) lateral meristem
(c) intercalary meristem
(d) vertical meristem

Q. Assertion :Apical and intercalary meristems contribute to the growth in length while the lateral meristems bring increase in girth in maize. Reason: Apical and intercalary meristems always increase the height of plants.

Q. Assertion :Intercalary meristem increases length of plant like apical meristems. Reason: Intercalary meristem originates from the apical meristems.

Write the functions of plant tissue :-

1) Meristematic Tissue

(a) Apical Meristem

(b) Intercalary Meristem

Question 26
If the tip of sugarcane plant is removed from the field, even then it keeps on growing in length. It is due to the presence of

(a) cambium
(b) apical meristem
(c) lateral meristem
(d) intercalary meristem

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Anatomy of Root

Standard VIII Biology

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Question 3 Girth of stem increases due to (a) apical meristem (b) lateral meristem (c) intercalary meristem (d) vertical meristem

(b) lateral meristem Lateral meristem is present along the side of the stem. They are responsible for growth in girth, i.e. secondary growth. Lateral meristems are found in all woody plants. Example :Trees, shrubs etc.

Question 3
Girth of stem increases due to

(a) apical meristem
(b) lateral meristem
(c) intercalary meristem
(d) vertical meristem

(b) lateral meristem

Lateral meristem is present along the side of the stem. They are responsible for growth in girth, i.e. secondary growth.

Lateral meristems are found in all woody plants. Example :Trees, shrubs etc.