Lesson 8.5.3
8.5.3 Habituation and learning Quiz: Pearson Edexcel Biology, Unit 8
20 questions
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Lesson 8.5.3, Habituation and learning: 20 multiple choice questions for the Pearson Edexcel Biology (9BI0), Unit 8: Grey Matter, written with Revision Ninja.
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The 20 questions
-
What term describes a reduced response to a repeated harmless stimulus?
- Imprinting
- Sensitisation
- Habituation
- Conditioning
-
What is the main benefit of habituation to an animal?
- Faster reflex speed
- Improved memory recall
- Energy conservation
- Increased muscle strength
-
What test distinguishes habituation from muscle fatigue in an animal?
- Measuring body temperature
- Increasing stimulus strength
- Response to new stimulus
- Counting total heartbeats
-
Which synaptic change directly causes habituation after repeated stimulation?
- Faster enzyme breakdown
- Reduced neurotransmitter release
- Increased receptor density
- Blocked sodium channels
-
Which event proves an animal has undergone habituation rather than motor fatigue?
- Permanent cessation of movement
- Failure of sensory receptors
- Recovery after new stimulus
- Complete muscle failure
-
Which variable must be kept constant during a habituation investigation?
- Postsynaptic potential
- Snail mass
- Number of neurones
- Stimulus intensity
-
How does response magnitude typically change during habituation over time?
- Remains completely constant
- Decreases then levels off
- Oscillates randomly forever
- Increases then levels off
-
Why is a control group required in a habituation experiment?
- Increases sample size
- Excludes environmental effects
- Speeds up habituation
- Measures muscle mass
-
Mealworm response percentages over five trials are 90, 70, 50, 40, and 40. What process occurred?
- Operant conditioning
- Habituation
- Classical conditioning
- Sensitisation
-
What is the primary biological role of habituation in nature?
- Ignoring harmless stimuli
- Escaping predators faster
- Attracting potential mates
- Detecting faint sounds
-
What term describes the rapid recovery of a habituated response following a novel stimulus?
- Dishabituation
- Facilitation
- Sensitisation
- Accommodation
-
Which everyday scenario is a classic example of neural habituation?
- Learning a foreign language
- Riding a bicycle
- Salivating to food
- Ignoring a ticking clock
-
Reduced calcium ion inflow into the presynaptic knob directly results in what change?
- Constant action potentials
- Less neurotransmitter release
- Postsynaptic membrane breakdown
- More neurotransmitter release
-
Why is habituation classified as learning rather than simple sensory loss?
- Effectors stop working entirely
- Stimulus is still detected
- Receptors are permanently damaged
- Synapses close permanently
-
Why must stimulus strength remain identical throughout a habituation experiment?
- Speeds up nerve impulses
- Ensures valid response decline
- Increases receptor sensitivity
- Prevents muscle fatigue entirely
-
How does habituation affect an organism's response to a repeated harmless stimulus?
- Increases response
- Reverses response
- Decreases response
- Prevents response
-
Time taken for a reaction falls from 4 s to 1 s. What is the percentage decrease?
- 25%
- 300%
- 75%
- 33%
-
What defines habituation as a type of learning?
- Learned behavioural response
- Genetic mutation trait
- Permanent tissue damage
- Innate reflex action
-
Which ion channel closes less frequently during habituation due to repeated stimulation?
- Potassium channel
- Sodium channel
- Calcium channel
- Chloride channel
-
What mechanism directly causes a reduction in neurotransmitter release during habituation?
- Sodium channel blockage
- Increased calcium influx
- Reduced calcium influx
- Decreased potassium outflow
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