Leaves and Photosynthesis

What do plants give off after photosynthesis?

• Oxygen
• carbon
• nitrogen
• hydrogen

Plants need ________from the air for photosynthesis

• oxygen
• soil
• carbon dioxide
• sugar

What molecule absorbs sunlight during photosynthesis?

• Epidermis
• thylakoid
• the leaf
• chlorophyll

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 products of photosynthesis are

• water and carbon dioxide
• oxygen and water
• sugar and cabon dioxide
• oxygen and sugar (glucose)

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

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

In what part of the cell does photosynthesis occur?

• Nucleus
• Chloroplast
• Epidermis
• Vacuole

After photosynthesis, plants store their energy as _________ .

• chlorophyll
• pigment
• starch

• Oxygen

How is photosynthesis beneficial to animals?

• Provides animals with energy after animals eat plants
• Provides oxygen for animals to breathe
• Removes carbon dioxide from the atmosphere
• All the options are correct

What gas does a plant produce with photosynthesis?

• Carbon dioxide
• Hydrogen
• Oxygen
• Argon