Question

Match the modification of the leaf with the function from the following:

$\begin{array}{cccc}& \text{Modification}& & \text{Function}\\ \text{A}& \text{Tendrils}& \text{i}& \text{Defence}\\ \text{B}& \text{Spines}& \text{ii}& \text{Storage}\\ \text{C}& \text{Expanded petioles}& \text{iii}& \text{Climbing}\\ \text{D}& \text{Fleshy leaves}& \text{iv}& \text{Photosynthesis}\end{array}$

• A. A - ii ; B - iii ; C - iv ; d - i
• B. A - iii ; B - i ; C - iv ; d - ii
• C. A - iv ; B - ii ; C - i ; d - iii
• D. A - i ; B - ii ; C - iv ; d - iii

Answer 1

The correct option is B A - iii ; B - i ; C - iv ; d - ii

Leaves are often modified to perform functions other than photosynthesis. They are converted into tendrils for climbing as in peas or into spines for defence and also to reduce the rate of transpiration as in cacti. The fleshy leaves of onion and garlic store food. In some plants such as Australian acacia, the leaves are small and short-lived. The petioles in these plants expand, become green and carry out photosynthesis.