Curriculum
Course: Edexcel A Level Biology A (SNAB) 9BI0
Login

Curriculum

Edexcel A Level Biology A (SNAB) 9BI0

Topic 1 · Lifestyle, Health and Risk

0/50

Topic 2 · Genes and Health

0/76

Topic 3 · Voice of the Genome

0/55

Topic 4 · Biodiversity and Natural Resources

0/51

Topic 5 · On the Wild Side

0/72

Topic 6 · Immunity, Infection and Forensics

0/41

Topic 7 · Run for your Life

0/55

Topic 8 · Grey Matter

0/51
Quiz

8.2.2 Studying the Brain – 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.
Which statement best describes Habituation?
The part of the brain that coordinates movement, balance and posture.
A chemical released from a presynaptic neurone that diffuses across the synaptic cleft and binds to receptors.
A synapse where the neurotransmitter causes hyperpolarisation, making an action potential less likely.
A reduced response to a repeated, harmless stimulus.
2.
The gap between neurones is the:
Nucleus
Dendrite
Synaptic cleft
Axon
3.
How is stimulus intensity coded?
Size of action potential
Frequency of action potentials
Speed of conduction
Duration of refractory period
4.
Which structures form the central nervous system?
Nerves and muscles
Brain and spinal cord
Receptors and effectors
Brain and glands
5.
Which of the following regions of the brain controls breathing?
Which of the following regions of the brain controls breathing?
Cerebellum
Medulla
Cerebrum
Hypothalamus
Amygdala
6.
After an accident, a person walks unsteadily and has lost coordination and balance, but thinking and memory are intact. Which part of the brain was most likely damaged?
Cerebrum
Hypothalamus
Medulla oblongata
Cerebellum
7.
IGCSE Biology 14.3 Synapse - Question 1
IGCSE Biology 14.3 Synapse - Question 1
A
B
C
D
8.
Which statement correctly describes neurone?
a specialised plant cell adapted for absorption
a cell whose cilia move mucus
a specialised cell that carries electrical impulses
a specialised animal cell adapted for fertilisation
9.

The medulla oblongata controls

vision
heart rate and breathing
memory
speech
10.
To test habituation in snails, what should be kept the same each time?
Number of touches
Withdrawal time
The conclusion
Strength and place of the touch
11.

Depression is linked with

high dopamine only
lack of insulin
low levels of serotonin
excess thyroxine
12.
In the snail habituation experiment, withdrawal time is the _____.
independent variable
dependent variable
pheromone
stimulus
  • 1
  • 2
  • 3
  • 4
  • 5
  • 6
  • 7
  • 8
  • 9
  • 10
  • 11
  • 12
Part of Topic 8 · Grey Matter — see every lesson and quiz in this unit.
Accepted payment methods