Photosynthesis Reading AND QUIZ

What is the process called that allows plants to make food and produce oxygen?

• Digestion

• Fermentation

• Respiration

• Photosynthesis

Which chemical inside a plant allows it to use the Sun's energy to make food?

• Chlorophyll

• Keratin

• Melanin

• Hemoglobin

What are the tiny manufacturing plants inside the chlorophyll called?

• Chloroplasts

• Mitochondria

• Ribosomes

• Nuclei

What combination of elements is carbon dioxide made from?

• Carbon and oxygen

• Hydrogen and oxygen

• Nitrogen and oxygen

• Carbon and hydrogen

What happens to the leaves of certain trees during the fall?

• They change color

• They grow larger

• They produce more chlorophyll

• They fall off

Why is photosynthesis important for animals and humans?

• It purifies water

• It increases carbon dioxide

• It cools the environment

• It produces oxygen and food

What stops being produced in leaves causing them to change color in the fall?

• Water

• Sunlight

• Carbon dioxide

• Chlorophyll

What is the first step in photosynthesis

• sunlight is captured by the cloroplast

• water enters the plant through the roots

• stoma open to catch sunlight

• oxygen enters the plant through the stoma

What is the last step of photosynthesis

• sunlight is captured by chloroplasts

• stoma open to let water out

• chloroplasts make sugar

• oxygen is released from the plant