B8-Photosythesis

Question 1

Equation for photosynthesis.

Answer 1

Carbon dioxide + water –> oxygen + glucose

Question 2

Balanced equation for photosythesis

Answer 2

6CO2 + 6H2O –> 6O2 + C6H12O6

Question 3

Why do plants use cellulose?

Answer 3

To strengthen their cell walls.

Question 4

What do they use nitrates for?

Answer 4

They combine nitrates with sugars to make amino acid

Question 5

What do plants use lipids for?

Answer 5

They use it as a source if energy.

Question 6

One adaptations of a leaf

Answer 6

They are broad to give them a bigger surface area, allowing more sunlight to fall on

Question 7

Another adaptation

Answer 7

They are thin so diffusion distances for the gases are short

Question 8

Adaptation of leaf

Answer 8

They contain chlorophyll in the chloroplasts that absorb light.
They have guard cells that open and close the stomata to regulate gas exchange

Question 9

Adaptation of leaf(veins)

Answer 9

They have veins, which bring plenty if water in the xylem to the cells of the leaves and remove products of photosynthesis in the phloem.

Question 10

Adaptation of leaf(air space)

Answer 10

They have air spaces that allow carbon dioxide to get to the cells, and oxygen to leave by diffusion.