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Course: AQA A Level Biology 7402
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AQA A Level Biology 7402

1. Biological Molecules

0/102

2. Cell Structure

0/95

3. Exchange and Transport

0/98

4. Genetics, Variation and Interdependence

0/94

5. Energy Transfers In and Between Organisms (A Level only)

0/63

6. Organisms Respond to Changes in their Environments (A Level only)

0/93

7. Genetics, Populations, Evolution and Ecosystems (A Level only)

0/55

8. The Control of Gene Expression (A Level only)

0/72

9. Exam Guidance and Skills

0/38
Quiz

3.1.3 Adaptation to Facilitate Exchange – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
IGCSE Biology 11.1 Gas exchange in humans WITH ALVEOLI - Question 10
IGCSE Biology 11.1 Gas exchange in humans WITH ALVEOLI - Question 10
A
B
C
D
2.
IGCSE Biology 9.2 Heart - Question 7
IGCSE Biology 9.2 Heart - Question 7
A
B
C
D
3.
The dissociation curve is sigmoid because of:
Cooperative binding
Bohr effect
Chloride shift
Oncotic pressure
4.
This hormone is involved in the regulation of the body\'s metabolic rate.
This hormone is involved in the regulation of the body's metabolic rate.
LH
FSH
Estrogen
Aldosterone
TSH
5.
IGCSE Biology 11.1 Gas exchange in humans WITH ALVEOLI - Question 5
IGCSE Biology 11.1 Gas exchange in humans WITH ALVEOLI - Question 5
A
B
C
D
6.
Why does heart rate increase during exercise?
To cool the blood
To reduce blood pressure
To lower the rate of respiration
To supply more oxygen and glucose to muscles
7.
Which statement best describes Cardiac output?
The pacemaker in the right atrium that initiates each heartbeat.
Volume of blood pumped by one ventricle per minute.
Build-up of fatty plaque (atheroma) in artery walls.
Blood passes through the heart twice per complete circuit: pulmonary and systemic.
8.
Which statement best describes Fetal haemoglobin?
Excess tissue fluid drained into lymph vessels.
Haemoglobin with higher O2 affinity than adult haemoglobin.
Graph of percentage saturation of haemoglobin against partial pressure of oxygen.
Haemoglobin combined with oxygen.
9.
IGCSE Biology 9.2 Heart - Question 1
IGCSE Biology 9.2 Heart - Question 1
A
B
C
D
10.
Which tissue transports sucrose?
Phloem
Xylem
Epidermis
Cuticle
11.
Complete the statement: Lysosomes keep digestive enzymes ______.
Complete the statement: Lysosomes keep digestive enzymes ______.
isolated
Enzyme localisation
membrane-bound
Surface area
12.
The waxy layer on a leaf that reduces water loss is the _____.
stoma
phloem
cuticle
xylem
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Part of 3. Exchange and Transport — see every lesson and quiz in this unit.
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