Question

true or false
1. during photosynthesis,energy comes from the splitting of glucose molecules
2. ethanol is a sort of halfway stage between glucose and carbon dioxide and water
3. gas exchange in plant take place through tiny holes called stomata located on the underside of leaves​

Answer 1

Answer:

true

false

true

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Answer 2

Answer:

The three events that occur during the process of photosynthesis are:

Absorption of light energy by chlorophyll.

Conversion of light energy to chemical energy and splitting of water molecules into hydrogen and oxygen.

Reduction of carbon dioxide to carbohydrates.

Role of stomata: Tiny openings in leaves called stomata. These help in the gaseous exchange between the plant and its atmosphere. The gas exchange that occurs when stomata are open facilitates photosynthesis. During photosynthesis, carbon dioxide is taken in from the atmosphere through the stomata and oxygen is released as a waste product. Both photosynthesis and the gas exchange that powers it are essential to the plant's survival.

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