Photosynthesis

Question 1

What is the equation for photosynthesis?

Answer 1

Carbon dioxide+water->oxygen+glucose

Question 2

Why is photosynthesis important?

Answer 2

Photosynthesis is an important process because it is the means by which energy can enter a food chain. Also produces oxygen

Question 3

How do plants utilize solar energy?

Answer 3

Plants harness the energy from the Sun and store it chemically in their own tissues.

Question 4

What happens when animals eat plants?

Answer 4

When these plants are eaten by animals, they take that chemical energy and use it to live and store it themselves.

Question 5

Name the key adaptations to make sure leaves photosynthesise efficiently

Answer 5

The waxy cuticle
The stoma
The spongy mesophyll
The palisade layer

Question 6

What does the waxy cuticle do?

Answer 6

Prevents water from escaping from the uppermost surface

Question 7

What does the stoma do?

Answer 7

They are open pores which allow gas exchange in the environment, the can close when water is low to make sure that little is lost

Question 8

What does the spongy mesoplhyll do?

Answer 8

The spongy mesophyll is a layer of cells with air spaces so that gases can diffuse in and around the leaf

Question 9

What is the palisade layer?

Answer 9

The palisade layer is a layer of tightly packed cells that are filled with chloroplasts, this makes sure that almost all light is absorbed and little light can pass through