biology (2)

biology (2)

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

published on June 03, 201222 responses 1 5.0★ / 5

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

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

What is the structure of the xylem?

Strong thick cell wall, and dead cells
Alive cells
thin and hollow

Deficiencies of little potassium

discoloured leaves and poor root growth
discoloured leaves and poor flower growth
Yellow leaves and poor flower growth

Deficiencies of little nitrogen

Yellow leaves and poor growth
Discoloured leaves and poor growth
Yellow leaves and poor flower growth

Deficiencies of little phosphurus

Yellow leaves and poor flower growth
discoloured leaves and poor growth
discoloured leaves and poor root growth

Deficiencies of little magnesium

Yellow leaves
Discoloured leaves
Poor root growth

What is the structure of the phloem?

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

How do you speed up decomposing?

Select the four correct answers
Increase temp
Increase humidity
Increase light intensity
Increase surface area
Increase wind