Photosynthesis

If plants breathe in carbon dioxide, what do they breathe out?

• Nitrogen

• Oxygen

• Carbon monoxide

• Helium

What 3 things do plants need for the process of photosynthesis?

• Sunlight, oxygen and sugar.

• Water, soil and oxygen.

• Sunlight, carbon dioxide and water.

• Sunlight, soil and water.

What are the products of photosynthesis?

• water and carbon dioxide
• oxygen and glucose
• oxygen and carbon dioxide
• oxygen and water

Which statement about photosynthesis is correct?

• Plants get the energy they need for photosynthesis from water.
• Plants get the energy they need for photosynthesis from soil.
• Plants get the energy they need for photosynthesis from sunlight.
• Plants do not require energy to perform photosynthesis.

The main source of energy for all life comes from ____.

• the Earth
• the moon
• the sun
• the food we eat/make

What is the end product of photosynthesis ?

• carbon dioxide
• water
• glucose
• methane

1. What is the main purpose of photosynthesis?

• to create energy

• to make food

• to make Carbon di oxide

• to absorb sunlight

2. What gas goes into the plant during photosynthesis?

• Oxygen

• Nitrogen

• Carbon dioxide

• Hydrogen

3. What does a plant release into the air after photosynthesis?

• Carbon dioxide

• Sugar

• Oxygen

• Energy

4. Most plant appear green because of _________________ .

• oxygen

• chlorophyll

• carbon dioxide

• water