Question

While conducting an experiment on photosynthesis, the plant under study was kept in complete darkness for a period of 48 hours. The reason for this is:

• A. To activate the chloroplasts in the plant
• B. To destarch the plant
• C. To increase the assimilation of starch
• D. To activate the enzyme in the leaves

Answer 1

The correct option is B To destarch the plant

Keeping the plant in dark for 48 hours would stop the process of photosynthesis as light is required for it. Photosynthesis produces organic sugars that are stored in the form of starch in plants. The absence of photosynthesis would lead to consumption of all stored starch, making the leaf starchless.