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Trueman Solutions for Class 11 Biology Chapter 21

Subjective

19 Qs

Related questions

Compare the following :
Central neural system (CNS) and Peripheral neural system (PNS)

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Compare the following :
Resting potential and Action potential

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Compare the following :
Choroid and Retina.

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Write short notes on neural coordination.

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Answer briefly :
How do you perceive the colour of an object?

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Which part of our body helps us in maintaining the body balance? Answer briefly.

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How does the eye regulate the amount of light that falls of on the retina? Answer briefly.

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Explain the following
Role of in the generation of action potential

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Explain the following
Mechanism of generation of light-induced impulse in the retina

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Differentiate between :
Myelinated and non-myelinated axons

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Differentiate between :
Dendrites and axons.

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Differentiate between :
Thalamus and Hypothalamus.

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Answer the following :
Which part of the ear determines the pitch of a sound?

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Which part of the human brain is the most developed?

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Which part of our central neural systems acts as a master clock?

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The region of the vertebrate eye, where the optic nerve passes out of the retina, is called the (a) fovea (b) iris (c) blind spot (d) optic chiasma.

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Distinguish between:
Afferent neurons and efferent neurons

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Distinguish between :
Impulse conduction in a myelinated nerve fibre and non-myelinated nerve fibre

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Distinguish between :
Cranial nerves and spinal nerves.

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Multiple Choice Questions (With Answers)

36 Qs

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Which one of the following cranial nerves is carrying the nerve fibres originating from the Edinger Westphal nucleus?

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In brain, lateral ventricle is connected to diocoel by

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The brain stem is made up of

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Electric potential of the brain is recorded by

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The electrical potential difference between outside and inside of a nerve axon before excitation is known as

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Which part of the human ear plays no role in hearing as such but is otherwise very much required?

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A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system?

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Dark adaptation in human eye involves

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The number of spinal nerves in human is

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During synaptic transmission of nerve impulse, neurotransmitter (P) is released from synaptic vesicles by the action of ions (Q). Choose the correct P and Q.

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Third and fourth ventricles of the brain are connected by

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Put the following parts of a reflex arc in the correct order beginning with the sensory receptor.
A. Motor neuron    B. Interneuron    C. Effector    D. Sensory neuron     E. Sensory receptor

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Retina is composed of

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Which is the largest bone in middle ear?

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The following respond to pressure

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The organ of Corti is situated on the

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A diagram showing axon terminal and synapse is given. Identify correctly at least two of A-D.

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Parts A, B, C and D of the human eye are shown in the diagram. Select the option which gives correct identification along with its functions/characteristics.

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Which area of cerebral cortex is responsible for the interpretation of speech?

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The stato-acoustic receptor responds to changes in the ..................

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Which excitatory neurotransmitter is involved in the transmission of impulse at the neuro-muscular junction?

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Select the correct statement regarding the Schwann cells.

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The depolarization of nerve membrane takes place through influx of ............ ions.

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Which of the following statements is wrong regarding conduction of nerve impulse?

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In mammalian eye, the 'fovea' is the center of the visual field, where

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Destruction of the anterior horn cells of the spinal cord would result in loss of

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Which one of the following is the functional unit of hearing?

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Which one of the following is not a refractive medium of the eye?

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Which one of the following acts solely as an inhibitory neurotransmitter?

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The bundle of axons in the central nervous system is known as

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The body temperature regulatory centre in the brain is

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How many pairs of sympathetic ganglia are present in ANS?

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Select the correct identification group of labelled parts I, II, Ill.

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Which part is not included in Cochlear duct?

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Photosensitive compound in human eye is made up of

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Choose the correct statement.

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