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Question

Plant growth in length is due to activity of

A
Apical meristem
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B
Dermatogen
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C
Periblem
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D
Lateral meristem
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Solution

The correct option is A Apical meristem
  • The apical meristematic tissues are present at the shoot tips and root tips in plants.
  • They are actively dividing metabolic cells which continuously divided to form three distinct layer at the shoot and root tip.
  • The layers are- dermatogen to the outer side, periblem is present between the dermatogen and plerome which forms the cortex region, plerome to the inner side which forms the stele.
  • These meristematic tissues are responsible for the primary growths in plants which are achieved by the elongation of shoot tip and root tip.
So, the correct answer is 'Apical meristem'.

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