Question

X is a type of leaf modification in which leaves get modified into hard and

pointed structure. It acts as a defence organ for the plant.

i) State the meaning of modified leaf.

ii) Name X. Give an example of a plant where it is found.

iii) Write another function of X.​

Answer 1

Answer:

1.modified leaf is a structure that is changed according to various conditions like climatic, physiological etc.

2.X is a thorn. its found in the cactus plant, their leaves are modified to thorns.

3.another function of X i.e. thorn is to reduce the surface area of the plant. as transpiration takes place and there's loss of water through this process. to avoid loss of water also this modification takes place as cactus is present in deserts so loss of water can't be afforded by plants.

Answer 2

Answer:

X is Spines. Example: Opuntia

Explanation:

The leaves modified into a pointed structure and usually protect them from herbivores.