AQA A2 Biology 3

Welcome to your AQA A2 Biology 3

Which is not a feature of tissue fluid that influences cell activities?

Select the correct sequence of the nitrogen cycle.

The microecological zone in direct proximity of plant roots.

The pigment present in cones.

The chemical energy store in plant biomass within a given area or volume.

Select the correct statement out of the following.

Organisms responsible for ammonification during nitrogen cycle.

Organisms responsible for the dentrification process of nitrogen cycle.

The 'blind spot' in an eye.

Which statement is incorrect regarding the use of artificial fertilizers?

What does the external layer of the eyeball consist of?

What happens if the internal temperature is low in an organism?

Which part of the nephron secretes renin?

Organisms responsible for the nitrification process of nitrogen cycle.

What is mycorrhiza?

Cells responsible for colour vision.

Select the incorrect statement regarding rods.

Which type of cells secrete glucagon?

Which of the following is incorrect regarding the role of renin?

Select the incorrect pair of receptor and stimulus.