Photosynthesis, Respiration and Nutrition in Plants 

Here are some MCQs on Photosynthesis, Respiration and Nutrition in Plants 

1. Photosynthesis is the process by which plants convert sunlight into:

a) Oxygen

b) Water

c) Glucose

d) Carbon dioxide

2. Which pigment is primarily responsible for capturing light energy in plants?

a) Chlorophyll

b) Carotenoids

c) Anthocyanins

d) Xanthophylls

3. In which part of the plant does photosynthesis primarily occur?

a) Roots

b) Stems

c) Leaves

d) Flowers

4. Which of the following is a reactant in the process of photosynthesis?

a) Oxygen

b) Glucose

c) Carbon dioxide

d) Water

5. Which organelle is responsible for photosynthesis in plant cells?

a) Mitochondria

b) Golgi apparatus

c) Nucleus

d) Chloroplasts