In grasses, the length of internodes increases by the activity of __________.

Apical meristem

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Intercalary meristem

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Lateral meristem

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Secondary meristem

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Solution

The correct option is B Intercalary meristem
Apical meristem is present at the tip of the shoot and root. So, it can increase plant length only at the tip. Therefore, option A is incorrect.
Lateral meristems are vascular cambium and cork cambium. They are responsible for the secondary growth of the plant and increases plant diameter. Therefore, option C is incorrect.
Secondary meristems are also called as lateral meristems, which include vascular cambium and cork cambium. They are responsible for the secondary growth of the plant. They increase plant diameter. Therefore, option D is incorrect.
Intercalary meristems are present in stems at the base of nodes and leaf blades. Cells of such meristems can divide and form new cells and can increase the length of internodes. Therefore, option B is correct.

Suggest Corrections

Similar questions

Consider the following statements and select the correct option:

(A) Intercalary meristems occur in grasses.

(B) Apical meristems and intercalary meristem are primary meristems.

(D) In a young dicot root, cambium is absent.

\begin{matrix} T y p e o f m e r i s t e m a t i c t i s s u e & L o c a t i o n & F u n c t i o n i . A p i c a l m e r i s t e m & T i p o f s t e m a n d r o o t s & I n c r e a s e i n l e n g t h i i . L a t e r a l m e r i s t e m & L a t e r a l l y p l a c e d i n s i d e s t e m a n d r o o t & I n c r e a s e i n g i r t h i i i . I n t e r c a l a r y m e r i s t e m & B a s e o f l e a v e s a n d i n t e r n o d e s & G r o w t h o f l e a v e s a n d s t e m \end{matrix}

Column A	Column B
A) Apical meristem	i) increases the girth of stem and root
B) Lateral meristem	ii) increases the length of internode
C) Intercalary meristem	iii) increases the length of stem and root

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