Grade 9 (Photosynthesis)

Front

What do the light reactions produce?

Back

ATP, NADPH, O2

Front

Where do the light reactions take place inside a chloroplast?

Back

Thylakoid membrane

Front

What gas is absorbed by plants during photosynthesis?

Back

Carbon Dioxide

Front

Chlorophyll absorbs which colors of light?

Back

Red and blue light

Front

What opens and closes the stomata in plants?

Back

Guard cells

Front

What is the primary function of photosynthesis?

Back

To convert light energy into chemical energy in the form of glucose.

Front

What are the two main stages of photosynthesis?

Back

Light reactions and Calvin cycle.

Front

What is the role of NADPH in photosynthesis?

Back

It acts as a reducing agent, providing electrons for the Calvin cycle.

Front

What is the significance of oxygen produced during photosynthesis?

Back

It is released as a byproduct and is essential for the respiration of most living organisms.

Front

What is the main pigment involved in photosynthesis?

Back

Chlorophyll.