A part of de-starched leaf of a potted plant was covered with black paper strips on both sides and the plant was kept in sunlight for 8 hours. The leaf was then tested with iodine after boiling it in alcohol. Only the uncovered part of the leaf turned blue black. The inference is that:
NCERT Important Questions Class 10 Science
NCERT Book Extra Questions for Session 2021-2022
CBSE Board and UP Board Others state Board
NCERT book extra.