Given below is a sketch of a leaf partially covered with black paper and which is to be used in the experiment to show that light is compulsory for the process of photosynthesis:(a) At the end of the experiment, which of the leaf part/leaf parts labelled I, II and III will become blue-black when dipped in iodine solution?(b) Which substance will be missing in the leaf part/leaf parts which will not become blue-black when dipped in iodine solution?

Given below is a sketch of a leaf partially covered with black paper a

1.	Given below is a sketch of a leaf partially covered with black paper and which is to be used in the experiment to show that light is compulsory for the process of photosynthesis:(a) At the end of the experiment, which of the leaf part/leaf parts labelled I, II and III will become blue-black when dipped in iodine solution?(b) Which substance will be missing in the leaf part/leaf parts which will not become blue-black when dipped in iodine solution?
Answer» Given below is a sketch of a leaf partially covered with black paper and which is to be used in the experiment to show that light is compulsory for the process of photosynthesis: (a) At the end of the experiment, which of the leaf part/leaf parts labelled I, II and III will become blue-black when dipped in iodine solution? (b) Which substance will be missing in the leaf part/leaf parts which will not become blue-black when dipped in iodine solution?