Photosynthesis Practice

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 reactions and the Calvin Cycle.

Front

What is the role of chlorophyll in photosynthesis?

Back

Chlorophyll is a pigment that absorbs light energy, primarily in the blue and red wavelengths, and is essential for the light reactions of photosynthesis.

Front

What is the primary product of the Calvin Cycle?

Back

The primary product of the Calvin Cycle is glucose.

Front

What is ATP and its role in photosynthesis?

Back

ATP (adenosine triphosphate) is an energy carrier molecule produced during the light reactions of photosynthesis, used to power various cellular processes.

Front

What is NADPH and its function in photosynthesis?

Back

NADPH (nicotinamide adenine dinucleotide phosphate) is a reducing agent produced in the light reactions, used in the Calvin Cycle to help convert carbon dioxide into glucose.

Front

How does the H+ concentration gradient contribute to ATP production?

Back

The H+ concentration gradient created during the light reactions drives ATP synthase, which synthesizes ATP from ADP and inorganic phosphate.

Front

What is the significance of the Calvin Cycle?

Back

The Calvin Cycle is significant because it uses ATP and NADPH from the light reactions to convert carbon dioxide into glucose, which serves as an energy source for the plant.

Front

What is the relationship between photosynthesis and cellular respiration?

Back

Photosynthesis captures energy from sunlight to produce glucose, while cellular respiration breaks down glucose to release energy for cellular activities.

Front

What are carotenoids and their role in photosynthesis?

Back

Carotenoids are pigments that assist in photosynthesis by capturing light energy and protecting chlorophyll from damage caused by excess light.