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Q.

Plant length is increased by?

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a

Apical meristem

b

Lateral meristem

c

Both 1& 2

d

None of the above

answer is A.

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Detailed Solution

Concept- Apical meristem is responsible for the primary growth of the plant. Apical meristem increases plant length. It is found at the end of plant roots and shoots. It generates auxins, which are in charge of the lengthening of the shoot and root.
The apical meristem is the region of cells that are capable of division and growth in the root and shoot tips in plants. The apical meristems give rise to the primary plant body and are responsible for the extension of the roots and shoots. The apical meristem is in charge of the plant's main growth.
Hence, the correct answer is option 1.

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