Photosynthesis level 1 Quiz

What is the purpose of photosynthesis in plants? Tick one box.

• to produce glucose

• to produce carbon dioxide

• to produce water

• to produce nitrogen

Complete the word equation for photosynthesis in plants.

+ water ^light → glucose + oxygen

Name the pigment that absorbs energy from the environment via light.

What is the function of leaves?

• where water and other substances are transported through the plant

• where most photosynthesis takes place

• absorb minerals and water from the surroundings

What is the function of the roots?

• where water and other substances are transported through the plant

• where most photosynthesis takes place

• absorb minerals and water from the surroundings

What is the function of the stem?

• where water and other substances are transported through the plant

• where most photosynthesis takes place

• absorb minerals and water from the surroundings

In which part of a plant cell does photosynthesis take place? Tick one box.

• cell wall

• chloroplasts

• ribosomes

• vacuole

Which of the following is a specialisation which enables the roots of plants to efficiently absorb water? Tick one box.

• a large surface area

• a small surface area

• many chloroplasts

• thick cell walls

The diagram shows the structure of a leaf. Complete the diagram with the name of each part. Choose answers from the box below.

a

b

c

d

e

f

guard cells

waxy cuticle

stoma

palisade mesophyll layer

spongy mesophyll tissue

air space

Explain why the stomata open and close.

Answer explanation

Stomata open and close to allow gas exchange to occur.