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Biology
Test for biology first chapter "Sensation and Responses"
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Total 10 questions in this test. Attempt all questions. Maximum score is 20.
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1) Find the parts of neutron.
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1 point
a - Dendrite, b - Dendron, c - Axon, d - Schwann cell, e - Axonite, f - Synaptic knob
a - Dendron, b - Dendrite, c - Schwann cell, d - Axon, e - Synaptic knob, f - Axonite
a - Dendrite, b - Dendron, c - Schwann cell, d - Axon, e - Axonite, f - Synaptic knob
a - Dendrite, b - Dendron, c - Schwann cell, d - Axonite, e - Axon, f - Synaptic knob
2) The outer surface of the plasma membrane of the neuron is ___(a)___ charged and the inner surface is ___(b)___ charged.
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1 point
a - positive , b - negative
a - negetive , b - positive
a - positive , b - positive
a - negetive , b - negative
3) Find a , b , c and d with the help this picture of synapse.
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1 point
a -Dendrite , b - Synaptic knob, c - Neurotransmitter, d - Synaptic cleft
a - Synaptic knob, b - Dendrite, c - Synaptic cleft, d - Neurotransmitter
a - Dendrite, b - Synaptic knob, c - Synaptic cleft, d - Neurotransmitter
a - Synaptic knob, b - Dendrite, c - Neurotransmitter, d - Synaptic cleft
4) Find nerves and their functions.
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3 points
Sensory nerve
Motor nerve
Mixed nerve
Carries impulses to and from the brain and spinal cord
Carries impulses from various parts of the body to the brain and the spinal cord
Carries impulses from brain and spinal cord to various parts of the body
Sensory nerve
Motor nerve
Mixed nerve
Carries impulses to and from the brain and spinal cord
Carries impulses from various parts of the body to the brain and the spinal cord
Carries impulses from brain and spinal cord to various parts of the body
5) Find a , b and c with the help of parts human nervous system.
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1 point
a - Peripheral nervous system, b - Spinal cord, c - Cranial nerves
a - Peripheral nervous system, b - Spinal cord, c - Motor nerve
a - Peripheral nervous system, b - Spinal cord, c - Sensory nerve
a - Peripheral nervous system, b - Cranial nerves, c - Spinal cord
6) Find the parts of brain.
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1 point
a - Cerebellum, b - Hypothalamus, c - Cerebrum, d - Thalamus, e - Medulla oblongata
a - Cerebrum, b - Thalamus, c - Cerebellum, d - Hypothalamus, e - Medulla oblongata
a - Cerebrum, b - Hypothalamus, c - Cerebellum, d - Thalamus, e - Medulla oblongata
a - Cerebellum, b - Thalamus, c - Cerebrum, d - Hypothalamus, e - Medulla oblongata
7) Find parts of Spinal cord.
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1 point
a - Central canal, b - Dorsal root, c - Ventral root, d - White matter, e - Grey matter
a - Central canal, b - Dorsal root, c - Ventral root, d - Grey matter, e - White matter
a - Central canal, b - Ventral root, c - Dorsal root, d - Grey matter, e - White matter
a - Central canal, b - Ventral root, c - Dorsal root, d - White matter, e - Grey matter
8) Find a , b , c , d and e according to the pathway of impulses in a reflex action.
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1 point
a - Receptor, b - Motor neuron, c - Interneuron, d - Sensory neuron, e - Related muscle
a - Related muscle, b - Sensory neuron, c - Interneuron, d - Motor neuron, e - Receptor
a - Related muscle, b - Motor neuron, c - Interneuron, d - Sensory neuron, e - Receptor
a - Receptor, b - Sensory neuron, c - Interneuron, d - Motor neuron, e - Related muscle
9) Find action of sympathetic and parasympathetic systems.
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7 points
Sympathetic System
Parasympathetic System
Trachea expands
Production of hormone increases
Glycogen is converted to glucose
Urinary bladder contracts
Heart beat becomes normal
The pupil in the eye contracts
Gastric activities become normal
Sympathetic System
Parasympathetic System
Trachea expands
Production of hormone increases
Glycogen is converted to glucose
Urinary bladder contracts
Heart beat becomes normal
The pupil in the eye contracts
Gastric activities become normal
10) Causes of certain diseases affecting the nervous system is given. Find the disease.
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3 points
Alzheimer's
Parkinsons
Epilepsy
Continuous and irregular flow of electric charges in the brain.
Destruction of specialised ganglions in the brain. Production of dopamine, a neurotransmitter in the brain gets reduced.
Accumulation of an insoluble protein in the neural tissues of the brain. Neurons get destroyed.
Alzheimer's
Parkinsons
Epilepsy
Continuous and irregular flow of electric charges in the brain.
Destruction of specialised ganglions in the brain. Production of dopamine, a neurotransmitter in the brain gets reduced.
Accumulation of an insoluble protein in the neural tissues of the brain. Neurons get destroyed.
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