Photosynthesis

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 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

Which sentence correctly describes photosynthesis. (assume there is enough sunlight)

• CO₂ and water combine and make O₂ and glucose
• O₂ and water combine to make glucose and CO₂
• O₂ and CO₂ combine to make water and glucose
• CO₂ and glucose combine to make O₂ and water

Green plants reflect ________ light.

• Red
• Green
• All
• Red and Violet

What characteristic sets heterotrophs apart from autotrophs?

• Heterotrophs can be classified only as mammals.
• Heterotrophs use energy from the sun to make their own food.
• Heterotrophs obtain food from consuming other living or once-living things.
• Heterotrophs obtain food through the process of photosynthesis.

What is the organelle that contains the chlorophyll used in photosynthesis ?

• mitochondria
• ribosome
• chloroplast
• nucleus

What is the "waste" gas (product) produced during photosynthesis?

• oxygen
• nitrogen
• helium
• hydrogen

What is the end product of photosynthesis ?

• carbon dioxide
• water
• glucose
• methane