Question

In order to destarch the leaves for an experiment to show that sunlight is necessary for photosynthesis, the:
(1) leaves are kept in alcohol and boiled in a water bath
(2) leaves are soaked in iodine for two hours
(3) plant with the leaves is kept in dark room for 48 hours.
(4) plant with the leaves is exposed to light of a lamp, a night before the experiment

Answer 1

In order to destarch the leaves for the experiment to show that sunlight is necessary for photosynthesis, the plants with leaves is kept in dark room for 48 hours.

Hence, the correct answer is option 3.