Photosynthesis

Question 1

Chlorophyll

Answer 1

Green pigment found in chloroplasts, that traps light energy for photosynthesis.

Question 2

Photosynthesis

Answer 2

Chemical reaction that enables plants to build carbohydrates from carbon dioxide and water, using energy from sunlight.

Question 3

Word equation

Answer 3

A way of representing a chemical reaction using the names of chemicals e.g. oxygen and glucose

Question 4

Chemical equation

Answer 4

A way of representing a chemical equation using symbols of chemicals e.g. CO2 and H2O.

Question 5

Stomata

Answer 5

Pores holes) on the surface of a leaf that allows water, carbon dioxide and oxygen to move in and out of the leaf.

Question 6

Rate of photosynthesis

Answer 6

How quickly a plant is photosynthesising. This is affected by factors including levels of CO2, light, and temperature.

Question 7

Limiting factor

Answer 7

E.g. carbon dioxide level, light intensity or temperature, which will affect the rate of photosynthesis if it is in short supply.