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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

6.3.6 Investigating Muscle Fatigue – Unit exam questions

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  • Questions count: 12
  • Passing grade: B+
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1.
What is the approximate resting potential of a neurone?
+40 mV
−55 mV
−70 mV
0 mV
2.
Which statement about muscle types is correct?
Smooth muscle is involuntary and non-striated
Cardiac muscle is voluntary and striated
Smooth muscle is striated and multinucleated
Skeletal muscle is involuntary
3.

During muscle contraction, calcium ions bind to

troponin
tropomyosin
myosin
actin directly
4.
In multiple sclerosis, myelin is damaged. Using the table, what happens to conduction speed?
It rises
It falls greatly
It stays at 100 m/s
It becomes chemical
5.
The human body regulates the concentration of glucose in the bloodstream so that it remains within a narrow range. In response to an increase in blood glucose above this range, the pancreas
SAT Biology - Question 046
A
B
C
D
E
6.
Which part of the retina contains the highest density of cones?
Blind spot
Fovea
Iris
Optic nerve
7.
This portion of the root of a plant is responsible for the visual perception of growth:
This portion of the root of a plant is responsible for the visual perception of growth:
Zone of cell division
Vascular cylinder
Zone of elongation
Endodermis
Zone of maturation
8.
The motor neurons that innervate skeletal muscle are part of this system.
SAT Biology - Question 018
A
B
C
D
E
9.
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
10.
Insulin lowers blood glucose by
stopping digestion
causing cells to take up glucose and the liver to store it as glycogen
breaking down glycogen
increasing glucose release from the liver
11.
Some drugs, like heroin, affect:
Bones
Synapses
Kidneys
Digestion
12.
IGCSE Biology 14.3 Synapse - Question 10
IGCSE Biology 14.3 Synapse - Question 10
A
B
C
D
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Part of 6. Organisms Respond to Changes in their Environments (A Level only) — see every lesson and quiz in this unit.
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