Question

the length of stem increases due to
a) root apical meristem
b) shoot apical meristem
c) both a and b
d) Lateral Meristem
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Answer 1

A. SHOOT APICAL MERISTEM

SHOOT APICAL MERISTEM

shoot apical meristem helps plant to increase its length

shoot apical meristem is present on the tip of shoot which show continuous growth (division) hence help plant in increasing length wise.

shoot tip also have a property to grow towards light sources

ROOT APICAL MERISTEM

it is present on the tip of root protected by root cap it help growth of root

LATERAL MERISTEM

lateral meristem appears late in plants and help in secandory growth of plant means increase in girth of plant

Answer 2

Answer:

SHOOT APICAL MERISTEM.