Photosynthesis CORE

Front

What is photosynthesis?

Back

Photosynthesis is the process by which green plants, algae, and some bacteria convert light energy into chemical energy in the form of glucose, using carbon dioxide and water.

Front

What are the main products of photosynthesis?

Back

The main products of photosynthesis are glucose (a sugar) and oxygen.

Front

Where does photosynthesis occur in plant cells?

Back

Photosynthesis occurs in the chloroplasts of plant cells.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is a green pigment in chloroplasts that absorbs light energy, primarily from the sun, which is essential for photosynthesis.

Front

What are the two main stages of photosynthesis?

Back

The two main stages of photosynthesis are the Light Reactions (Stage 1) and the Calvin Cycle (Dark Reactions, Stage 2).

Front

What happens during the Light Reactions of photosynthesis?

Back

During the Light Reactions, light energy is converted into chemical energy in the form of ATP and NADPH, and oxygen is released as a byproduct.

Front

What is the Calvin Cycle?

Back

The Calvin Cycle is the second stage of photosynthesis where carbon dioxide is fixed into glucose using the ATP and NADPH produced in the Light Reactions.

Front

What is the significance of photosynthesis in the food chain?

Back

Photosynthesis is crucial in the food chain as it provides the primary source of energy for nearly all living organisms, making plants the primary producers.

Front

How does light intensity affect the rate of photosynthesis?

Back

In general, as light intensity increases, the rate of photosynthesis increases until it reaches a saturation point.

Front

What is the role of water in photosynthesis?

Back

Water is a raw material in photosynthesis; it is split during the Light Reactions to provide electrons and protons, and oxygen is released as a byproduct.