What does a plant need to carry out photosynthesis?

• carbon dioxide, oxygen, water, chlorophyll

• carbon dioxide, water, glucose, chlorophyll

• carbon dioxide, water , light , chlorophyll

• carbon dioxide, glucose, chlorophyll, light

What two products does a plant make during photosynthesis?

• water & glucose

• glucose & oxygen

• glucose & water

• oxygen & water

What are the small holes on the underside of a plant leaf called?

• pores

• stomata

• holes

• vents

What colour is chlorophyll

• blue

• red

• orange

• green

Name the liquid we use to show that a leaf contains starch.

• chlorine solution

• iodine solution

• ethanol

• copper sulphate

What is the chemical formula for glucose?

• C₆H₁₂O₆

• C₈H₁₄O₂

• C₁₀H₂₀O₈

• C₆H₁₀O₄

What does a plant need magnesium for

• For healthy leaves and flowers

• To make chlorophyll

• For healthy growth

• For healthy roots

How does a plant get water for photosynthesis

• Soaks into the leaves from rain fall

• Absorbed from the soil by roots and root hairs

• Diffuses into the leaves through the stomata

• Absorbed from the soil by roots

How can minerals be returned to the soil naturally.

• Farmers add fertilisers to the soil.

• Decay of old leaves by bacteria

Some fertilisers are labelled NPK. What three minerals are in these fertilisers.

• Nitrogen, Phosphorus, Calcium

• Nitrogen, Sulphur, Potassium

• Nitrogen, Phosphorus, Krypton

• Nitrogen, Phosphorus, Potassium