First slide

The Stem

Question

Leaves are modified into spines and stems become fleshly and flattened to carry out photosynthesis.Such modified stem is present in.

Easy

A

Opuntia only
B

Euphorbia only
C

Mangrove plant.
D

Opuntia and Euphorbia

Solution

Some plants of arid regions modify their stems into flattened (Opuntia), or fleshy cylindrical (Euphorbia) structures called phylloclade. They contain chlorophyll and carry out photosynthesis. leaves are modified into spines to avoid transpiration and for protection.

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