Curriculum
Course: AQA A Level Biology 7402
Login

Curriculum

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

6.4.6 Glucose Regulation- the Liver – Unit exam questions

Submit quiz
Once you submit, you will no longer be able to change your answers. Are you sure you want to submit the quiz?
Cancel Submit
  • Questions count: 12
  • Passing grade: B+
Start Quiz
1.
IGCSE Biology 14.3 Synapse - Question 13
IGCSE Biology 14.3 Synapse - Question 13
A
B
C
D
2.

During exercise, heart rate increases because

the vagus nerve is stimulated
the cardiovascular control centre sends impulses along the sympathetic nerve to the SAN
CO₂ falls
blood pH rises
3.
The movement of food along the gut by muscle contraction is:
Egestion
Absorption
Peristalsis
Assimilation
4.
Which statement best describes Action potential?
The minimum depolarisation (about −55 mV) needed to trigger an action potential.
A reduction in the potential difference across a membrane, caused by Na+ entering the axon.
The return of the membrane potential towards resting value as K+ leaves the axon.
A rapid, temporary reversal of membrane potential (to about +40 mV) that travels along an axon.
5.
Grip strength over repeated squeezes is shown. Which muscle type explains the decline?
Skeletal muscle, which fatigues
Cardiac muscle, which never tires
Smooth muscle in the gut
Ligaments
6.
Which of the following is considered a biotic factor capable of influencing a plant species’s population growth?
SAT Biology - Question 167
A
B
C
D
E
7.
IGCSE Biology 14.3 Synapse - Question 5
IGCSE Biology 14.3 Synapse - Question 5
A
B
C
D
8.
IGCSE Biology 14.3 Synapse - Question 6
IGCSE Biology 14.3 Synapse - Question 6
A
B
C
D
9.
IGCSE Biology 14.3 Synapse - Question 12
IGCSE Biology 14.3 Synapse - Question 12
A
B
C
D
10.
A student wants to know if caffeine changes heart rate in water fleas. Which plan is best?
Test one flea in caffeine at 30 °C and one in water at 20 °C
Count heart rate in 10 fleas in pond water and 10 in caffeine solution at the same temperature
Watch fleas and guess whether they look faster
Put all fleas in caffeine only
11.
Complete the statement: Insulin ______ blood glucose.
Complete the statement: Insulin ______ blood glucose.
Excretion
Insulin
lowers
Glucagon
12.
Receptors convert stimuli into nerve impulses. True or false?
True
False
False, muscles do
True only in the eye
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Part of 6. Organisms Respond to Changes in their Environments (A Level only) — see every lesson and quiz in this unit.
Accepted payment methods