Question

Assertion (A): Photosynthesis takes place in green parts of the plants.

Reason (R): Photosynthesis always takes place in leaves.

Options

• Both A and R are true and R is the correct explanation of A.

• Both A and R are true but R is not the correct explanation of A.

• A is true but R is false.

• A is false but R is true.

Answer 1

A is true but R is false.

Explanation:

The assertion is true because photosynthesis occurs anywhere chlorophyll is present, which includes all green parts of a plant like green stems, sepals, and young fruits. However, the reason is completely false because the word always is incorrect; photosynthesis does not happen exclusively in leaves. For example, in desert plants like cacti, the leaves are modified into spines to prevent water loss, and the thick green stem takes over the entire process of photosynthesis.