Plant Biology

Question 1

Conditions for seed growth..

Answer 1

Water, soil, air, warmth, ligbt

Question 2

Conditions for seed germination…

Answer 2

Water, soil, air(oxygen), warmth

Question 3

What is the green pigment that traps sunlight called?

Answer 3

Chlorophyll

Question 4

What does photosynthesis need??

Answer 4

Chlorophyll + light energy

Question 5

What does photosynthesis occur in?

Answer 5

Leaves

Question 6

What is the equation for photosynthesis?

Answer 6

carbon dioxide + water—> oxygen + glucose

Question 7

Why is glucose made by photosynthesis important to plants ?

Answer 7

Can be..
Stored in fruit/seed (eg orange)
Converted + stored as starch (in leaves)
Converted to cellulose (to make cell wall)

Question 8

Why is photosynthesis important to us?

Answer 8

Because plants..
Are food source for animals
Produce oxygen + keeps balance of this in the air
Are important raw materials eg wood

Question 9

What is needed for photosynthesis?

Answer 9

Carbon dioxide
Water
Light (a source of energy)
Chlorophyll

Question 10

What is made due to photosynthesis?

Answer 10

Glucose, oxygen

Question 11

What factors affect photosynthesis?

Answer 11

Light intensity
Carbon dioxide concentration
Temperature