biology (2)

biology (2)

A range of questions about b4 biology such as plant deficiencies and plant structure.

published on June 03, 2012
1/9

How do you speed up decomposing?

Hint: 4 choices
Increase temp
Increase humidity
Increase light intensity
Increase surface area
Increase wind
2/9

How is the upper epidermis adapted for photosynthesis?

its transparent and allows sunlight to be absorbed
Has a lot of chlorophyll to increase photosynthesis
Has a lot of air spaces for gaseous exchange
3/9

What is the structure of the xylem?

Strong thick cell wall, and dead cells
Alive cells
thin and hollow
4/9

Deficiencies of little phosphurus

Yellow leaves and poor flower growth
discoloured leaves and poor growth
discoloured leaves and poor root growth
5/9

How is the spongy mesophyl adapted for photosynthesis

Has a lot of chlorophyll to increase photosynthesis
Has a lot of air spaces for gaseous exchange
Its transparent so allows alot of sunlight in
6/9

Deficiencies of little potassium

discoloured leaves and poor root growth
discoloured leaves and poor flower growth
Yellow leaves and poor flower growth
7/9

Deficiencies of little nitrogen

Yellow leaves and poor growth
Discoloured leaves and poor growth
Yellow leaves and poor flower growth
8/9

What is the structure of the phloem?

thin and hollow, living cells
dead cells
strong, thick cell walls
9/9

Deficiencies of little magnesium

Yellow leaves
Discoloured leaves
Poor root growth