Photosynthesis

Label the diagram on photosynthesis.

a

b

c

d

e

carbon dioxide

chlorophyll

oxygen

sunlight

water and minerals

What is photosynthesis?

• Photosynthesis is the process by which plants convert light energy into chemical energy.
• Photosynthesis is the method by which fungi absorb nutrients.
• Photosynthesis occurs only in the dark.
• Photosynthesis is the process of respiration in animals.

What are two things produced as a result of photosynthesis?

• Oxygen and starch
• Nitrogen and glucose
• Glucose and oxygen
• Carbon dioxide and water

What are four things required for photosynthesis?

• Oxygen, nitrogen, glucose, soil
• Sunlight, oxygen, minerals, proteins
• Carbon monoxide, sunlight, sugar, enzymes
• Sunlight, carbon dioxide, water, chlorophyll

In the word, photosynthesis, what does the part, "photo" mean?

• dark
• water
• light
• energy

In the word, photosynthesis, what does the part, "synthesis" mean?

• The act of breaking down organic compounds.
• A type of photosynthetic pigment.
• The process of combining elements to create something new.

• The process of absorbing sunlight for energy.

Which organelle in plant cells is responsible for carrying out photosynthesis?

• Chloroplast

• Mitochondria

• Vacuole

• Nucleus

During photosynthesis, which gas is taken in by plants?

• Hydrogen

• Nitrogen

• Oxygen

• Carbon dioxide

What is the main purpose of photosynthesis in plants?

• To release carbon dioxide

• To provide shade

• To absorb minerals from the soil

• To produce food in the form of glucose

Why do humans need plants to survive?

• Humans need plants for oxygen and food.

• Humans rely on plants for technology and machinery.
• Plants are essential for human communication.
• Humans need plants for shelter and clothing.