Question

After adding iodine colour change in parts A, B and C of the leaf is seen.
Give reason for the observation:
1. Part A
2. Part B
3. Part C

Answer 1

Answer

A variegated leaf with green and yellow paths in used for an experiment to prove that chlorophyll is required for photosynthesis. Before the experiment, the green portions (A), and the pale yellow portions (B), are observed. What will be the color of 'A' just before and after the starch test? Also, write the equation of photosynthesis and mark well as validate from which molecule the by-product is obtained.

explanation

As we add iodine solution on the colourless leaf, it turns blue- black.