Multiple Choice QuestionsLeaves become modified into spines in
Opuntia
pea
onion
onion
A.
Opuntia
Leaves are modified into spines in Opuntia (xerophytes) so as to reduce the surface area and minimize rate of water loss by evaporation and transpiration. Besides, they also provide protection to the plant from grazing animals.
In pea, the leaves are modified into tendrils to help them in climbing around support, in onion leaves are modified to fleshy succulent to store food.
The hilum is a scar on the
seed, where funicle was attached
fruit, where it was attached to pedicel
fruit, where style was present
fruit, where style was present
The hilum is a scar on the
seed, where funicle was attached
fruit, where it was attached to pedicel
fruit, where style was present
fruit, where style was present
Whorled, simple leaves with reticulate venation are present in
Calotropis
Neem
China rose
China rose
In unilocular ovary with a single ovule, the placentation is
marginal
basal
free central
free central
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