Photosynthesis and Carbon Cycle

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 two main stages of photosynthesis?

Back

The two main stages of photosynthesis are the light-dependent reactions and the light-independent reactions (Calvin Cycle).

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 pigment that absorbs light energy, primarily from the sun, and plays a crucial role in converting that energy into chemical energy during photosynthesis.

Front

What is the Calvin Cycle?

Back

The Calvin Cycle is a series of biochemical reactions that take place in the stroma of chloroplasts, where carbon dioxide is fixed and converted into glucose.

Front

What is the primary input for the Calvin Cycle?

Back

The primary input for the Calvin Cycle is carbon dioxide (CO2).

Front

What are the products of the light-dependent reactions?

Back

The products of the light-dependent reactions are ATP, NADPH, and oxygen.

Front

What is the significance of oxygen in photosynthesis?

Back

Oxygen is produced as a waste product of photosynthesis and is essential for the survival of aerobic organisms.

Front

How do plants contribute to the carbon cycle?

Back

Plants absorb carbon dioxide from the atmosphere during photosynthesis, which helps to reduce atmospheric CO2 levels and contributes to the carbon cycle.

Front

What is the main function of ATP and NADPH in the Calvin Cycle?

Back

ATP and NADPH provide the energy and reducing power, respectively, needed to convert carbon dioxide into glucose during the Calvin Cycle.