Date | May 2017 | Marks available | 2 | Reference code | 17M.3.HL.TZ1.6 |
Level | Higher level | Paper | Paper 3 | Time zone | Time zone 1 |
Command term | Outline | Question number | 6 | Adapted from | N/A |
Question
A study examined the effects of four weeks of intensive training in athletes on vertical jumping performance and neuromuscular learning. The graph shows the results for jumping height.
Outline the effect of training on jumping performance.
List the different types of neurons involved in a reflex arc.
Predict whether an animal such as a laboratory rat could be encouraged to learn a new behaviour pattern.
Using an example, describe how innate behaviour may increase the chances of survival of a species.
Markscheme
a. jumping performance shows an improvement «during the first two/three weeks»
OR
no/little improvement as error bars all overlap
b. «during the period of this investigation» it reaches a plateau
c. the investigation was over a short time and is not conclusive of the effects of training over a longer period
a. sensory/afferent neuron
b. motor/efferent neuron
c. relay neuron/interneuron
Two correct for [1]
Three correct for [2]
a. operant conditioning/classical conditioning/trial and error experiences
b. behaviour could be modified by positive/negative reinforcement
c. animal makes an association between a particular behaviour and a consequence
Accept reward/punishment and/or examples such as food/electric shock.
a. innate behaviour inherited/develops independently of environment
OR
Changes in innate behaviour depend on change in frequency of alleles that cause the behaviour ✓
b. example of an innate behaviour ✓
c. description of the behaviour ✓
d. outcomes affecting survival
eg
b. synchronized oestrus in female lions
c. female lions can share responsibilities / females can suckle each other’s cubs allowing some mothers to hunt
d. cubs are more likely to survive when they are raised in a group «nursery» rather than by a solitary mother /group of male cubs can leave pride together helping each other
Examiners report
Syllabus sections
- 18M.3.SL.TZ2.6c: Identify the area of the brain labelled X in the image.
- 17N.3.SL.TZ0.04d.i: Identify the cell labelled X.
- 18M.3.SL.TZ2.6b: Identify the area of the brain responsible for processing visual stimuli.
- 18M.3.HL.TZ2.7c: With reference to the withdrawal of the siphon in Aplysia californica, explain the concept of...
- 20N.3.HL.TZ0.7b: Describe the role of inheritance and learning in birdsongs.
- 20N.3.HL.TZ0.4c: Suggest what can happen to neurons that are unused in the nervous system.
-
20N.3.HL.TZ0.8b:
Explain how natural selection can cause mate selection behaviour patterns to develop in a species such as eastern bluebirds.
-
20N.3.HL.TZ0.4a:
Describe the changes occurring in this neuron from day 1 to day 2.
- 20N.3.HL.TZ0.8c: Another type of behaviour is altruistic behaviour. Outline an example of altruistic behaviour.
-
18M.3.HL.TZ1.4a:
The diagram shows one of the stages in neurulation.
Describe what happens next in neurulation.
-
18M.3.HL.TZ1.5c:
Outline the functional magnetic resonance imaging (fMRI) technique for brain research.
- 17N.3.HL.TZ0.07b: Outline how the human brain can reorganize itself following a stroke.
- 17M.3.HL.TZ2.6c: Outline the structure of a reflex arc.
- 17M.3.SL.TZ2.4a: Label the parts I and II on the images.
- 18M.3.SL.TZ1.6b: Compare and contrast the mechanisms involved in hearing sounds in individuals with and...
- 18M.3.HL.TZ1.7a: Drug misuse and abuse are major health problems in the world. The diagram shows the...
- 18M.3.SL.TZ2.5c: State the property of the nervous system that allows it to change with experience and allows...
- 18M.3.SL.TZ2.5b: Explain the use of the pupil reflex as a test for brain damage.
- 18M.3.HL.TZ2.7b: With reference to the experiments on habituation, state the effect of repeated stimulation on...
- 16N.3.HL.TZ0.5a: Outline the benefits of using fMRI in this experiment.
-
17N.3.HL.TZ0.04b:
Suggest a role for the cerebral cortex in rodents such as rats and mice.
-
17N.3.SL.TZ0.06a.i:
Using the letter M, label the structures which detect movement of the head.
- 16N.3.HL.TZ0.7c: Explain the role of the hair cells in the cochlea.
-
20N.3.HL.TZ0.5a.ii:
State a function of the cerebellum.
- 19M.3.HL.TZ1.5b: State what would occur in the embryo immediately after stage IV.
- 19M.3.HL.TZ1.7a.ii: Outline how the diagram can be identified as a human brain and not the brain of a monkey.
- 17M.3.HL.TZ2.5b: Explain how sounds of different wavelengths are distinguished by the ear.
- 17M.3.HL.TZ2.4b: The diagrams show a rat brain and a human brain. They are not drawn to scale. Distinguish...
- 17M.3.HL.TZ1.4b: Outline the development of axons in immature neurons.
- 17M.3.HL.TZ1.5a: Approximately 350 000 people worldwide have received cochlear implants. Outline the use of...
-
18M.3.SL.TZ1.5a:
Evaluate the claim that IGF influences turning angle and neuron extension.
- 19M.3.HL.TZ2.4b.iii: Suggest one reason for two different language groups being used in the study.
-
18M.3.SL.TZ1.6c:
Outline the role of the ear in balance perception.
- 16N.3.HL.TZ0.5c: State the function of the visual cortex.
- 18N.3.SL.TZ0.6a.i: On the diagram, label the visual cortex.
- 18N.3.HL.TZ0.5b: Predict the difference that would be seen if the cerebral cortex of a human and a gorilla...
- 17N.3.SL.TZ0.04d.ii: Draw an arrow to show the direction of light through the retina.
- 17N.3.HL.TZ0.06a: State the effect of simulated ship noise on foraging behaviour.
-
18M.3.SL.TZ1.7:
Discuss the methods used to identify the role of specific parts of the brain.
-
19M.3.SL.TZ1.6d.ii:
Annotate the diagram with an X to show the internal location where a cochlear implant is placed.
- 19M.3.HL.TZ2.5b.ii: Suggest an advantage of such behaviour.
- 17N.3.SL.TZ0.05b: Outline the reason that Broca’s area is more developed in humans than other primates.
- 17N.3.SL.TZ0.06c: Outline how the hearing of a deaf or partially deaf person could be improved.
-
17N.3.SL.TZ0.06a.ii:
Using the letter A, label where sound is amplified.
- 19N.3.HL.TZ0.5d: Explain, using the diagram, how the visual stimuli from the right eye reach the visual cortex...
- 17M.3.SL.TZ1.7a: The diagram shows the anatomy of the human ear. Label the cochlea on the diagram.
- 20N.3.SL.TZ0.5b.ii: Information about the light from P entering the left eye is processed in the brain. State...
- 16N.3.HL.TZ0.7b: State the function of the bones in the middle ear.
- 18N.3.HL.TZ0.5c.iii: State one function of each of the following areas of the brain. Medulla oblongata
- 18N.3.HL.TZ0.6b: Deduce, with a reason, whether the patient is left-handed or right-handed.
- 18N.3.HL.TZ0.6c.i: Define, with an example, operant conditioning.
-
19M.3.HL.TZ1.7a.i:
Label the diagram to show part of the visual cortex of the brain.
- 19M.3.HL.TZ1.4a: Calculate the difference in the number of former users of MDMA and those who have never used...
- 18N.3.SL.TZ0.4a: The metabolic rate is the energy used per kilogram of mass per day. Calculate the metabolic...
-
19M.3.SL.TZ2.5b:
Suggest one reason that the relative brain mass of Homo is different from Parapithecus and Australopithecus.
-
19M.3.SL.TZ2.5d:
Primates belong to the phylum chordata. The neural tube of chordates is formed by the infolding of the ectoderm followed by the elongation of the tube. Outline the process of formation of neurons from this neural tube in primates.
- 19M.3.HL.TZ2.5a: Distinguish between learned behaviour and innate behaviour.
- 18N.3.SL.TZ0.6a.ii: Identify the structure labelled X.
- 18N.3.HL.TZ0.6c.ii: Define, with an example, imprinting.
- 17N.3.HL.TZ0.07c.i: State the area of the human brain that may have been damaged when the following symptom is...
- 17N.3.HL.TZ0.04a.i: State which group has the lowest percentage of cerebral cortex mass.
- 19M.3.HL.TZ2.4b.i: Identify the area of the brain which is labelled with the white arrow in the fMRI.
-
16N.3.SL.TZ0.6a:
(i) Identify the structure labelled X.
(ii) Outline the function of X in the human brain
-
18M.3.HL.TZ1.7b:
Addiction may be affected by social environment. Outline one other named factor that can affect addiction to drugs.
- 19M.3.SL.TZ1.4b: Explain how patient recovery from a stroke illustrates the property of neural plasticity.
- 19M.3.SL.TZ1.4c: Explain how studies of lesions have helped to identify the functions of different parts of...
- 18M.3.SL.TZ2.4b.i: Explain how neurons at rest still consume energy.
- 20N.3.HL.TZ0.5b: On the diagram, label one named structure that produces hormones.
- 18N.3.SL.TZ0.5b: Outline the possible changes to this neuron that could happen during the subsequent...
- 18N.3.SL.TZ0.4b: Using only the data in the table, distinguish between the use of energy in the brain and in...
-
19N.3.HL.TZ0.5a:
On the diagram, draw an arrow showing the direction of the light.
- 18N.3.SL.TZ0.5c: Suggest how the plasticity of the brain can benefit humans.
- 19M.3.HL.TZ2.4b.v: Suggest what might result if a deaf individual who uses sign language has a lesion in the...
- 18N.3.HL.TZ0.6d: Outline the effects of slow-acting neurotransmitters.
-
17M.3.HL.TZ2.7b:
Suggest reasons for the length you stated in (a) being the most common length of M. edulis that C. maenas eat.
- 18N.3.HL.TZ0.6a: Outline how this experiment shows learned behaviour.
- 18N.3.HL.TZ0.5c.i: State one function of each of the following areas of the brain. Broca’s area
-
17M.3.HL.TZ1.6b:
List the different types of neurons involved in a reflex arc.
- 16N.3.SL.TZ0.5c: Outline how spina bifida could occur during embryonic development.
- 17M.3.SL.TZ1.6b: Outline the function of Broca’s area.
- 17M.3.SL.TZ1.7c: Explain the role of ganglion cells in the eye.
- 17M.3.HL.TZ1.4e: State one activity controlled by the medulla oblongata.
- 17M.3.SL.TZ2.7a: State the name of the photoreceptor shown.
- 17M.3.SL.TZ2.7b: Distinguish between a photoreceptor and an olfactory receptor.
- 17M.3.HL.TZ2.6d: State the type of receptor that detects odours.
- 17M.3.HL.TZ2.5a: Graph 1 shows the range of light wavelengths detected by the three types of cone cells in...
- 17M.3.HL.TZ2.6b: Dopamine acts as a slow-acting neurotransmitter. Outline one function of slow-acting...
- 17M.3.HL.TZ2.7a: State the most common length of M. edulis eaten by the C. maenas population.
-
19M.3.HL.TZ1.6c:
Explain the function of the semicircular canals.
- 17N.3.SL.TZ0.05c: Suggest how an injury to the brain can help in understanding brain function.
- 17N.3.HL.TZ0.07c.ii: State the area of the human brain that may have been damaged when the followingsymptom is...
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17N.3.HL.TZ0.04c:
Explain how the cerebral cortex in humans differs from other mammals.
- 16N.3.HL.TZ0.4b: Predict how mental activity might delay the onset of Alzheimer’s disease.
- 16N.3.HL.TZ0.6a: Outline the neural control of the process of swallowing.
- 18M.3.SL.TZ1.4b: Outline the function of the nucleus accumbens.
- 18M.3.SL.TZ1.4a: The image shows a normal human brain in vertical section. Identify the parts of the brain...
- 18M.3.HL.TZ1.4c: Explain the process of neural pruning.
- 18M.3.HL.TZ1.5b: The brain requires a large energy input. Suggest one reason for this.
- 18M.3.HL.TZ2.7a: State the effector in this reflex arc.
- 17M.3.SL.TZ2.5b: Evaluate the use of the pupil reflex to test for brain damage.
- 17M.3.SL.TZ1.7b: Explain the structure of the semicircular canals in relation to their functions.
- 17M.3.HL.TZ1.5c: Describe the role of bipolar cells in the eye.
- 17M.3.HL.TZ2.4a.iii: State the condition that arises if the closure of structure X is incomplete during embryonic...
- 17N.3.SL.TZ0.05a.i: Identify the structure labelled A.
-
18M.3.HL.TZ1.6b:
Outline the role of the ear in balance perception.
-
18M.3.HL.TZ1.7c:
Distinguish between innate behaviour and learned behaviour in the development of birdsong.
- 18M.3.SL.TZ2.4b.iii: Describe the relationship between energy consumption and transmission rate.
- 17M.3.SL.TZ2.4c: State the condition that arises if the closure of structure X is incomplete during embryonic...
- 18M.3.HL.TZ2.4a: Outline how an immature neuron develops an axon.
- 19M.3.SL.TZ1.6b: State the range of sound frequencies detected by the ear.
- 19M.3.SL.TZ2.6a: Identify the parts of the ear labelled X and Y. X: Y:
- 19N.3.SL.TZ0.6c: Explain, using the diagram, how the visual stimuli from the right eye reach the visual cortex...
- 18M.3.SL.TZ2.6a: State the name of the technique used to produce the image.
- 19N.3.SL.TZ0.4b: Identify the part labelled X.
- 19N.3.SL.TZ0.4c: State a consequence of incomplete folding of the neural tube in humans.
-
19N.3.SL.TZ0.6a:
On the diagram, draw an arrow showing the direction of the light.
- 19N.3.SL.TZ0.5a: Identify the structures found at I, II and III. I: II: III:
- 19N.3.HL.TZ0.4b: Outline the main feature of neural pruning.
- 19N.3.HL.TZ0.7a: Courtship behaviour leads to mate selection. Describe innate behaviour.
- 19N.3.HL.TZ0.7c: Outline operant conditioning, giving an example.
- 18M.3.HL.TZ2.4b: Explain neuroplasticity in terms of the developing neurons.
- 18M.3.HL.TZ2.7d: Amphetamines act on synapses that use dopamine as a neurotransmitter by increasing the...
- 18M.3.HL.TZ2.5c: A person with Alzheimer’s disease typically has a reduced nucleus accumbens. Predict how this...
- 18M.3.HL.TZ2.5b: State the difference in the cerebral cortex between the two images of the brain.
-
19M.3.SL.TZ2.5a:
State the trend in relative brain mass in primates other than humans according to their time of divergence from humans.
- 19M.3.HL.TZ2.7: Outline the process that could result in spina bifida during neural tube development.
-
18M.3.HL.TZ2.5a.i:
Label the cerebellum on image I.
-
18M.3.HL.TZ2.8:
Compare and contrast innate behaviour and learned behaviour.
-
16N.3.SL.TZ0.7a:
Identify the structures labelled I and II
-
18N.3.SL.TZ0.6b:
Explain how a functional MRI (fMRI) can be used to identify the function of parts of the brain.
- 19N.3.SL.TZ0.6b: Identify the cells labelled A and B. A: B:
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16N.3.SL.TZ0.4a:
Human speech occurs at a volume of approximately 60 dB and at frequencies between 125 Hz and 4000 Hz. Outline whether the woman would hear all conversations with both ears.
- 17M.3.HL.TZ1.5b: State the part of the ear that is responsible for detecting movement of the head.
- 19N.3.HL.TZ0.5b: Identify the cells labelled A and B. A: B:
- 19N.3.HL.TZ0.4a: The human brain is larger than the brain of many animals. Identify one other difference...
-
18M.3.SL.TZ1.5b:
Outline the development of neurons from when they are first formed in the neural tube.
- 18M.3.SL.TZ2.4b.ii: Identify the species with photoreceptors that have the fastest signalling transmission rate.
- 16N.3.SL.TZ0.4b: The woman suffers from otosclerosis in the right ear, a condition where the bones of the...
-
20N.3.SL.TZ0.6b:
Suggest, with reference to the structure of the ear, a reason that a cochlear implant requires an amplifier.
-
20N.3.SL.TZ0.5c:
State the type of cell in the retina which directly transmits impulses through the optic nerve to the brain.
- 17M.3.SL.TZ2.4b: Structure Y will eventually elongate to form two structures. State the names of these two...
- 17M.3.HL.TZ2.4a.i: Label the parts I and II on the images.
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17N.3.HL.TZ0.04a.ii:
Suggest advantages of the cerebral cortex containing a high percentage of the brain’s neurons.
- 20N.3.SL.TZ0.5a: Draw a ray of light entering the left eye from point P.
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20N.3.HL.TZ0.8a:
Evaluate the hypothesis that females prefer to mate with males whose feathers are a brighter blue.
- 20N.3.HL.TZ0.5a.i: Label the cerebellum on the diagram.
- 17M.3.HL.TZ2.6a: The diagram shows the mechanism of action of the psychoactive drug cocaine. Suggest how...
- 17M.3.SL.TZ1.5a: In a study of brain organization, several factors were investigated. The relationship between...
- 18N.3.SL.TZ0.5a: Describe the process taking place.
- 16N.3.SL.TZ0.5b: State what occurs to structure X immediately following its formation.
-
17M.3.HL.TZ2.8:
Explain two methods that scientists have used to determine the different functions of the brain.
-
16N.3.SL.TZ0.4c:
Explain the role of the hair cells in the cochlea.
- 18N.3.SL.TZ0.7a: Identify the structure labelled X.
- 19M.3.HL.TZ1.4c: Explain the effect MDMA has on the metabolism in the brain.
- 19M.3.HL.TZ2.4b.iv: Outline how fMRI is used in brain studies.
- 17M.3.HL.TZ1.7: Explain, using examples, the neurological effects of inhibitory psychoactive drugs.
- 20N.3.SL.TZ0.5b.i: Information about the light from P entering the left eye is processed in the brain. State...
- 19N.3.HL.TZ0.7b: Explain the implications of courtship behaviour in natural selection.
- 19N.3.HL.TZ0.4c: State the name of the part of the brain that controls breathing rate.
- 19N.3.HL.TZ0.6a: Define neurotransmitter.
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19M.3.HL.TZ2.4a.ii:
Describe the use of cochlear implants in deaf patients.
- 17M.3.SL.TZ1.5c: Outline one reason for the large energy requirement of the brain.
- 19N.3.SL.TZ0.4d: Explain how the nervous system develops from the cells of the neural tube.
- 19N.3.SL.TZ0.4a: State the name of the stage of embryonic development shown in the diagram.
-
19M.3.HL.TZ1.8:
A dog owner wants to teach a dog to stop jumping up on people.
[Source: © Nevit Dilmen]
Explain how operant conditioning could be used to train the dog.
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17N.3.SL.TZ0.07:
The diagrams illustrate changes in synapse density of the cerebral cortex from newborn to adult.
[Source: THE POSTNATAL DEVELOPMENT OF THE HUMAN CEREBRAL CORTEX, VOLUMES IVIII, by Jesse LeRoy Conel, Cambridge, Mass.: Harvard University Press, Copyright © 1939, 1941, 1947, 1951, 1955, 1959, 1963, 1967
by the President and Fellows of Harvard College. Copyright © renewed 1967, 1969, 1975, 1979, 1983, 1987, 1991.]Explain the processes illustrated by the diagrams.
- 18N.3.HL.TZ0.5a: Compare and contrast the rank order of body mass and brain volume in the six species of mammals.
-
17N.3.HL.TZ0.05b:
Explain the use of a local anesthetic during surgery to remove the cataract.
- 19M.3.SL.TZ1.6a: Outline the relationship between the distance from the oval window and the sound frequency...
- 19M.3.HL.TZ1.5c: Outline the consequences of incomplete closure of the neural tube in humans.
- 19M.3.HL.TZ1.6b: Identify the structure in the inner ear that is in contact with the stapes.
-
20N.3.HL.TZ0.4b:
Suggest other processes that may occur during neural development.
- 18N.3.SL.TZ0.4c: Suggest one reason for the difference between the brain and skeletal muscle in metabolic rate.
- 18N.3.HL.TZ0.8: Explain how the eye detects stimuli and sends information to the brain.
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19M.3.HL.TZ2.6a.i:
Suggest a reason for the plateau in the graph when only one crab is present in the cage.
- 19M.3.HL.TZ1.6a: Identify the structures labelled X and Y in the diagram.
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19M.3.SL.TZ2.4b:
Scientists demonstrated that cinnamon increased neural plasticity in some parts of mouse brains. Explain how neural plasticity could have affected learning in poor performer mice.
- 19M.3.SL.TZ2.6b: Describe the use of cochlear implants in deaf patients.
-
19M.3.HL.TZ2.5b.i:
Evaluate how the data supports the hypothesis that honeybees are able to learn to use cues to find the path through new mazes.
- 19M.3.HL.TZ2.6b: Outline the role of natural selection in animal behaviour.
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19M.3.HL.TZ2.6a.ii:
Determine whether foraging by crabs is dependent on number of prey (mussels) or number of predators (crabs).
- 18M.3.HL.TZ1.6a.ii: Suggest one reason for hearing loss caused by extended exposure to high intensity sound.
-
17N.3.SL.TZ0.06b:
Explain the function of the cochlea in hearing.
-
17N.3.SL.TZ0.05a.ii:
List two functions of the structure labelled A.
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17N.3.HL.TZ0.06b:
Predict the consequences on C. maenas of increasing noise related to human activity.
- 19M.3.HL.TZ1.4b: Outline the evidence that MDMA leads to impulsive behaviour.
- 16N.3.HL.TZ0.8: General anesthetics act on the neurotransmitters in neuron synapses. Explain the effect of...
-
18M.3.HL.TZ1.7d:
Outline an example of a change in animal behaviour as a result of natural selection.
-
20N.3.HL.TZ0.9:
Explain how psychoactive drugs affect the nervous system.
-
20N.3.SL.TZ0.6c:
Describe the normal function of the cochlea.
- 20N.3.SL.TZ0.6a: Outline the effect of the cochlear implant on hearing.
-
20N.3.HL.TZ0.7a:
Outline the trend in large tree finch song frequency.
- 20N.3.HL.TZ0.5c: Outline one method that can be used to investigate the function of different parts of the brain.
-
18M.3.SL.TZ1.6a:
Identify the part of the ear labelled X.
- 18M.3.HL.TZ1.6a.i: State the type of sensory receptors that detect sound.
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18M.3.HL.TZ1.4b:
Explain the causes of spina bifida in vertebrates.
- 19M.3.SL.TZ1.6c: Sensory receptors are divided into different categories. Hair cells in the cochlea are...
-
19M.3.SL.TZ1.4a:
State the name of the general area of the brain affected by this stroke.
- 18M.3.SL.TZ2.7: Explain the stages of development and differentiation of neurons.
- 16N.3.HL.TZ0.4c: Autism appears early in life and affects how a person communicates and relates to others....
- 17M.3.SL.TZ2.5a: Outline the function of the autonomic nervous system in the human body.
- 17M.3.SL.TZ2.6: The graph shows the relationship between body mass and brain volume in three groups of...
- 17M.3.SL.TZ2.8: Explain how information from the left and right sides of the visual field is processed.
- 16N.3.HL.TZ0.5b: Compare and contrast the effects of THC and CBD on the areas of the brain studied.
- 16N.3.HL.TZ0.6b: Describe an example of learned behaviour.
- 18M.3.SL.TZ1.4c: Compare and contrast the sensory and motor functions of the left and right cerebral...
-
16N.3.SL.TZ0.6b:
With reference to structures visible in the diagrams, explain how the human brain is more evolved for higher order functions than the baboon brain.
- 18N.3.SL.TZ0.7b: Explain how sound from an outside source causes movement of the hair cells in the cochlea.
- 18N.3.SL.TZ0.4d: Outline the role of the brain in involuntary control.
- 18N.3.HL.TZ0.5c.ii: State one function of each of the following areas of the brain. Nucleus accumbens
- 19N.3.HL.TZ0.5c: Photoreceptors in the retina sense light. State the name of another type of receptor with an...
- 19M.3.HL.TZ2.4a.i: Identify the parts of the ear labelled X and Y. X: Y:
- 19M.3.HL.TZ2.4b.ii: Compare the general patterns of activation in the brain shown when all of the individuals in...
- 17M.3.HL.TZ2.4a.ii: Structure Y will eventually elongate to form two structures. State the names of these two...
- 16N.3.HL.TZ0.4a: State what happens to unused neurons.
-
16N.3.SL.TZ0.7b:
Explain how the pupil of the eye can be used to assess brain damage.
-
17N.3.HL.TZ0.08:
Outline innate and learned behaviour.
- 19M.3.SL.TZ1.5a: Explain the neural control of swallowing.
- 19N.3.HL.TZ0.6c: Describe the main role of slow-acting neurotransmitters in memory and learning.
- 19M.3.SL.TZ1.6d.i: Identify the structure labelled Y in the diagram.
- 19M.3.HL.TZ1.5a: Describe the process occurring in the diagram.
- 19M.3.HL.TZ1.7b: Explain how studies of lesions have helped to identify the functions of different parts of...
- 19M.3.SL.TZ1.6e: Outline the function of the stapes.
- 19M.3.SL.TZ1.5b: Neurons are initially produced by differentiation in the neural tube. Outline the mechanisms...
- 19M.3.SL.TZ2.4a: Describe how the use of cinnamon changes mouse performance on the Barnes maze.
- 19M.3.SL.TZ2.7: Explain the autonomic control of the pupil of the eye and how the pupil reflex is used to...
-
19M.3.SL.TZ2.4c:
It has been suggested that cinnamon might be of benefit to patients who are recovering from a stroke. Suggest one advantage of adding cinnamon to the diet of a patient who has suffered a stroke.
-
19M.3.SL.TZ2.5c:
Deduce, with a reason, whether the relative brain mass is a good indicator of brain development.
-
17N.3.HL.TZ0.05c:
Describe red-green colour blindness.
- 17M.3.SL.TZ1.4a: Calculate the rate of movement of the neuron cell body between 0 and 5 h. Working should be...
- 17M.3.SL.TZ1.5b: Outline the organization of the human cerebral cortex with regard to structure and function.
- 17M.3.SL.TZ1.4c: Outline neural pruning.
- 17M.3.SL.TZ1.4b: Suggest a reason for the migration of neurons in the embryonic nervous system.
- 17M.3.HL.TZ1.6c: Predict whether an animal such as a laboratory rat could be encouraged to learn a new...
- 17M.3.HL.TZ1.6d: Using an example, describe how innate behaviour may increase the chances of survival of a...
- 16N.3.SL.TZ0.5a: Outline the process taking place in the diagram.
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19M.3.HL.TZ2.8:
Discuss the effect of endorphins on the central nervous system (CNS) and in pain relief.
- 19N.3.SL.TZ0.5c: The folding of the cerebral hemispheres is extensive and varies between different mammals....
- 19N.3.SL.TZ0.5b: Suggest one way in which multiple sclerosis has affected the cerebral hemispheres of the brain.
- 19N.3.HL.TZ0.4d: Explain the need for the adult human brain to be supplied continuously with a relatively...
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18M.3.HL.TZ2.5d:
The images show the differences in glucose uptake between the brain of a person without Alzheimer’s disease (image I) and the brain of a patient with Alzheimer’s disease (image II). The key indicates the levels of glucose uptake.
Deduce the implications of reduced glucose uptake in the brain of a patient with Alzheimer’s disease.
- 19N.3.SL.TZ0.7: Describe how the inner ear detects audible sounds.
- 19N.3.HL.TZ0.6b: Describe how local anesthetics act on the nervous system.
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18N.3.HL.TZ0.7:
The drawing shows male and female Emperor birds of paradise (Paradisaea guilielmi ) found in Papua New Guinea.
Suggest how the external features and courtship behaviour of these birds of paradise affect reproductive success.
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18M.3.HL.TZ1.8:
Explain how the human eye is able to distinguish between different colours of light.
- 20N.3.SL.TZ0.7: Explain how autopsy and lesions can be used to identify the role of different brain parts.
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19N.3.HL.TZ0.8:
Explain the effect of a named stimulant drug on the nervous system.
- 18M.3.SL.TZ2.4a: Outline the function of one named photoreceptor in the mammalian eye.
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18M.3.SL.TZ2.5a:
Label the pupil and the retina on the diagram.
[Source: Holly Fischer https://en.wikipedia.org/wiki/Human_eye#/media/File:Three_Internal_chambers_of_the_Eye.png]
- 18M.3.HL.TZ2.5a.ii: State one function of the cerebellum.
- 17M.3.SL.TZ1.6a: The cortex of the brain consists of several regions. State whether this view of the brain...