AQA A Level Biology Mock Paper 2 Q&A
Study online at https://quizlet.com/_fvfrtf
1. Exercise causes an increase in heart rate. chemoreceptors detect fall in
Describe the role of receptors and of the pH
nervous system in this process send impulses to medulla ob-
longata
more impulses to SAN
by sympathetic nervous sys-
tem
2. Succinic acid dehydrogenase is an en- increase aerobic respiration
zyme used in the krebs cycle. Suggest one
reason for the difference in the staining
between the muscle fibres of the control
mice and the trained mice
3. Describe how chemicals which inhibit the less ATP produced
decolourisation of DCPIP could slow the less NADP produced
growth of weeds less GP-TP
4. Suggest one way in which an increase in used to produce
the uptake of phosphate could increase ATP/ADP/phospho-
plant growth lipids/DNA/RNA/RuBP/TP/GP
in cells
5. Arbuscular mycorrhiza fungi (AMF) are provides AMF with amino acids
fungi which grow on and into the roots of
plants. AMF can increase the uptake of in-
organic ions such as phosphate. Suggest
one way in which AMF may benefit from
their association with plants
6. Explain why an increase in shoot biomass represents dry mass
can be taken as a measurement of net represents gross production -
primary productivity respiratory losses
7. Each year, a few people with type 1 di- 1. type 2 diabetics can produce
abetes are given a pancreas transplant. insulin
Pancreas transplants are not used to treat 2. can be controlled by diet and
people with type 2 diabetes. Give 2 rea- exercise
1/3
Study online at https://quizlet.com/_fvfrtf
1. Exercise causes an increase in heart rate. chemoreceptors detect fall in
Describe the role of receptors and of the pH
nervous system in this process send impulses to medulla ob-
longata
more impulses to SAN
by sympathetic nervous sys-
tem
2. Succinic acid dehydrogenase is an en- increase aerobic respiration
zyme used in the krebs cycle. Suggest one
reason for the difference in the staining
between the muscle fibres of the control
mice and the trained mice
3. Describe how chemicals which inhibit the less ATP produced
decolourisation of DCPIP could slow the less NADP produced
growth of weeds less GP-TP
4. Suggest one way in which an increase in used to produce
the uptake of phosphate could increase ATP/ADP/phospho-
plant growth lipids/DNA/RNA/RuBP/TP/GP
in cells
5. Arbuscular mycorrhiza fungi (AMF) are provides AMF with amino acids
fungi which grow on and into the roots of
plants. AMF can increase the uptake of in-
organic ions such as phosphate. Suggest
one way in which AMF may benefit from
their association with plants
6. Explain why an increase in shoot biomass represents dry mass
can be taken as a measurement of net represents gross production -
primary productivity respiratory losses
7. Each year, a few people with type 1 di- 1. type 2 diabetics can produce
abetes are given a pancreas transplant. insulin
Pancreas transplants are not used to treat 2. can be controlled by diet and
people with type 2 diabetes. Give 2 rea- exercise
1/3
