Photosynthesis Quiz

Photosynthesis means...

• Taking a picture of something.

• Putting things together using light.

• Recycling plastics.

Where do plants get the materials and energy to grow?

• Air, Sun, Water, Soil

• Petroleum, Glucose, Plastics

• Soil only

A water molecule has how many hydrogen atoms?

• 2

• 1

• 5

A carbon dioxide molecule has how many carbon atoms?

• 6

• 2

• 1

True/False: Photosynthesis is a chemical reaction.

• True

• False

During a chemical reaction, substances interact to...

• Get rid of old substances that are no longer needed.

• Form new substances with different properties.

What do plants need for photosynthesis to happen?

• Glucose + 6 molecules of oxygen

• Soil & Glucose

• 6 molecules of carbon dioxide and 6 molecules of water.

Which are the reactants during photosynthesis?

• 6 molecules of carbon dioxide + 6 molecules of water

• Glucose + 6 molecules of oxygen

What do plants produce during photosynthesis?

• Glucose + 6 molecules of oxygen

• 6 molecules of carbon dioxide + 6 molecules of water

• Oxygen only

Which are the products during photosynthesis?

• Glucose + 6 molecules of oxygen

• 6 molecules of carbon dioxide + 6 molecules of water

• Glucose only