B8

Question 1

Is Photosynthesis endothermic or exothermic ?

Answer 1

Endothermic

Question 2

During photosynthesis how is energy transferred from the environment to the Chloroplast?

Answer 2

By light

Question 3

What equation is summarised for photosynthesis?

Answer 3

Carbon dioxide + water ——> glucose + oxygen

Light

Question 4

Leaves are adapted well because…

Answer 4

To allow the max amount of photosynthesis to occur

Question 5

What are the factors that affect the rate of photosynthesis

Answer 5

Light intensity, temp, level of carbon dioxide and the amount of chlorophyll

Question 6

Plants and algal cells use the glucose produced during photosynthesis for …

Answer 6

Respiration,to convert into insoluble starch for storage, to produce fats and oils for storage, to produce cellulose for strengthening cell walls and for producing amino acids for protein synthesis.

Question 7

Plants and algal cells also need to nitrate ions absorbed from the soil or water to make amino acids used to make …

Answer 7

Proteins

Question 8

HIGHER TIER:

What do the factors that limit the rate of photosynthesis do?

Answer 8

Interact and one of them may be photosynthesis

Question 9

HIGHER TIER:

How are the limiting factors important

Answer 9

Important in economics of enhancing the conditions in greenhouses to gain the maximum rate of photosynthesis, whilst still maintaining profit

Question 10

What is photosynthesis number equation.

Answer 10

6CO2(small 2) + 6H2(small2)O —> C6(small 6)H12(small 12)O6(small 6) +6O2(small 2)