Photosynthesis & Present Simple Passive

What is the primary purpose of photosynthesis?

• To absorb water

• To make food for the plant

• To produce energy for humans

Which of the following is released as a byproduct of photosynthesis?

• Oxygen

• Water

• Carbon dioxide

Which sentence is in the present simple passive?

• The plant is absorbing sunlight.

• The plant absorbs water from the roots.

• Sunlight is absorbed by the plant.

What gas is absorbed by plants during photosynthesis?

• Carbon dioxide

• Hydrogen

• Nitrogen

Which of the following is an example of a passive voice sentence?

• The plant takes in carbon dioxide.

• Oxygen is released by the plant.

• The plant releases oxygen.

Complete the sentence: “Glucose __________ during photosynthesis.”

• produce

• is produced

• produces

Which sentence is written in the passive voice?

• The plant makes its own food.

• The leaves absorb sunlight.

• Water is absorbed by the roots.

Complete the sentence: “Oxygen __________ as a byproduct of photosynthesis.”

• released

• is released

• is releasing

Which of these sentences is an active voice sentence?

• Carbon dioxide is taken in by the plant.

• The plant absorbs sunlight.

• Water is absorbed by the plant.

In the sentence "Oxygen is released by the plant," which word represents the action (verb)?

• Released

• By

• Plant