Photosynthesis

Plants need ________ for photosynthesis

• oxygen
• soil
• carbon dioxide
• sugar

What are the products of photosynthesis?

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

Which gas is removed from the atmosphere during photosynthesis?

• hydrogen
• oxygen
• nitrogen
• carbon dioxide

Which of the following go through the process of photosynthesis?

• bees
• algae
• humans
• mushrooms

What molecule absorbs sunlight for photosynthesis?

• chloroplast
• thylakoid
• grana
• 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.

A student is collecting the gas given off from a plant in bright sunlight at a temperature of 27°C. The gas being collected is probably ________.

• oxygen
• carbon dioxide
• ATP
• glucose

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

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

Which of the following is not needed for photosynthesis to occur?

• sunlight
• carbon dioxide
• water
• oxygen

Why do we eat food?

• to provide energy/fuel
• to eliminate waste products
• to prevent diseases
• to kill pathogens