Photosynthesis

Question 1

Photosynthesis?

Answer 1

Green plants make food, which contains energy for nearly all organisms

Question 2

What is required for photosynthesis?

Answer 2

Chlorophyll
Radiant energy
H20
CO2

Question 3

Products of photosynthesis

Answer 3

Glucose

Oxygen (waste product)

Question 4

4 Adaptations of leaves for photosynthesis

Answer 4

Held in position exposed to light
Transparent cuticle & epidermal cells
Flat therefore increased surface area
Thin

Question 5

Where does the light-dependent stage occur?

Answer 5

In grana of chloroplast

Question 6

Photolysis?

Answer 6

Splitting of water into H & O2

Question 7

What is formed from light phase ? & which are used in dark phase ?

Answer 7

O2 - waste product
H - used in dark phase
ATP - used in dark phase

Question 8

How is the ATP formed in light phase ??

Answer 8

Phosphorylation

Question 9

Where does the light independent stage occur ?

Answer 9

Stroma of chloroplast

Question 10

Calvin cycle?

Answer 10

Series of enzyme controlled reactions combing H to CO2 to from glucose

Question 11

3 importances of photosynthesis

Answer 11

Release O2
Absorbs CO2
Stores energy (starch)

Question 12

What can glucose be used for ? Hint: 5 ways

Answer 12

Used in cellular respiration 
Changed into other carbohydrates 
- starch for storage 
Changed to cellulose for making walls
Changed to sucrose to transport to all parts of plant
Changed to organic compounds
- proteins, oils & vitamins