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Neural Control And Coordination

460 Questions Start Allen Test
All Exams Allen Errorless
Q401 Allen PYQ Match the Columns
Match Column- I with Column- II
Column-IColumn-II
(A)Multipolar neuron
(B)Bipolar neuron
(C)Myelinated nerve fibre
(D)Unmyelinated nerve fibre
(I)Somatic neural system
(II)Cerebral cortex
(III)Retina of Eye
(IV)Spinal nerves
A.
(A) āˆ’ (III), (B) āˆ’ (I), (C) āˆ’ (IV), (D) āˆ’ (II)
B.
(A) āˆ’ (II), (B) āˆ’ (IV), (C) āˆ’ (III), (D) āˆ’ (I)
C.
(A) āˆ’ (II), (B) āˆ’ (III), (C) āˆ’ (I), (D) āˆ’ (IV)
D.
(A) āˆ’ (II), (B) āˆ’ (III), (C) āˆ’ (IV), (D) āˆ’ (I)
Q402 Allen NCERT Based QUESTIONS MCQ
Which system provides an organised network of point to point connection :-
A.
Integrated system
B.
Neuro-endocrine system
C.
Endocrine system
D.
Nervous system
Q403 Allen NCERT Based QUESTIONS MCQ
Which role of neuron regarding different kinds of stimuli is absent :-
A.
detect
B.
receive
C.
transmit
D.
protect
Q404 Allen NCERT Based QUESTIONS MCQ
The accompanied diagram shows the structure of neuron. Identify A to E.
A.
A-Nerve fibre, B-Cyton or cell body, C-Schwann cell, D-Node of Ranvier, E-Synaptic knob
B.
A-Dendrites, B-Cyton or cell body, C-Schwann cell, D-Node of Ranvier, E-Synaptic knob
C.
A-Dendrites, B-Nerve cell, C-Schwann cell, D-Node of Ranvier, E-Synaptic knob
D.
A-Dendrites, B-Cyton or cell body, C-Nerve cell, D-Node of Ranvier, E-Synaptic knob
Q405 Allen NCERT Based QUESTIONS MCQ
When a neuron is not conducting any impulse i.e. resting, the axonal membrane is -
A.
Comparatively more permeable to K+ and impermeable (nearly impermeable) to Naāŗ
B.
Impermeable to negatively charged proteins present in the axoplasm
C.
1 & 2 Both
D.
More permeable to Naāŗ ions than Kāŗ ion
Q406 Allen NCERT Based QUESTIONS MCQ
Pick out the incorrect statement?
A.
Myelinated nerve fibres are found in spinal and cranial nerve.
B.
Unmyelinated nerve fibre is enclosed by a schwann cell.
C.
In resting stage the axonal membrane is comparatively more permeable to potassium ion and nearly impermeable to sodium ions.
D.
Axolemma is more permeable to negatively charged protein present in the axoplasm.
Q407 Allen NCERT Based QUESTIONS MCQ
During depolarization of the neuronal membrane-
A.
Naāŗ ions rapidly move inside the cell
B.
Naāŗ ions rapidly move outside the cell
C.
Kāŗ ions rapidly move outside the cell
D.
Kāŗ ions rapidly move inside the cell
Q408 Allen NCERT Based QUESTIONS MCQ
Identify the correct set of statements :
(a) Limbic lobe consists of amygdala and pons.
(b) Cerebral aqueduct passes through the midbrain.
(c) The medulla contains centre which control respiration, cardiovascular reflexes and gastric secretions.
(d) Brain stem forms the connections between the cerebrum and midbrain.
(e) Knee jerk reflex is polysynaptic reflex. Choose the correct answer from options given below :
A.
(a) and (d) only
B.
(b), (c), (d) and (e) only
C.
(a), (b), (d) and (e) only
D.
(b) and (c) only
Q409 Allen NCERT Based QUESTIONS MCQ
Study the diagram of synapse- I. Which alphabet indicate the location of the receptor molecules ? II. Which alphabet points to a synaptic vesicles III. Which alphabet points to neurotransmitter IV. Which alphabet points to synaptic cleft
A.
I-C, II-A, III-B, IV-D
B.
I-B, II-A, III-C, IV-D
C.
I-C, II-A, III-D, IV-B
D.
I-C, II-D, III-A, IV-B
Q410 Allen NCERT Based QUESTIONS MCQ
Which of the following statements is false about the electrical synapse ? I. At electrical synapses, the membranes of pre and post synaptic neurons are in very close proximity. II. Electrical current can flow directly from one neuron into the other across the synapses. III. Transmission of an impulse across electrical synapses is very similar to impulse conduction along single axon. IV. Electrical synapses pass electrical signal between cells with the use of Ach V. Electrical synapses are fast. VI. Electrical synapses are rare in our system.
A.
I and II
B.
Only II
C.
Only IV
D.
Only V
Q411 Allen NCERT Based QUESTIONS MCQ
Identify the correct set of statements :
(a) Myelinated nerve fibres are found in autonomic and the somatic neural systems.
(b) The gaps between two adjacent myelin sheaths are called nodes of Ranvier.
(c) The axonal membrane is impermeable to negatively charged proteins present in the axoplasm.
(d) Electrical synapses are rare in our system.
(e) Synaptic cleft is present in chemical synapse.
Choose the correct answer from options given below :
A.
(a) and (d) only
B.
(b), (c), (d) and (e) only
C.
(a), (b), (d) and (e) only
D.
(b) and (c) only
Q412 Allen NCERT Based QUESTIONS MCQ
Identify A, B, C and D in given diagram ā€“ Right cerebral hemisphere
A.
Aā€“Forebrain, Bā€“Brainstem, Cā€“Corpus callosum, Dā€“Cerebral aqueduct
B.
Aā€“Forebrain, Bā€“Brainstem, Cā€“Cerebral aqueduct, Dā€“Corpus callosum
C.
Aā€“Brainstem, Bā€“Forebrain, Cā€“Corpus callosum, Dā€“Cerebral aqueduct
D.
Aā€“Brainstem, Bā€“Forebrain, Cā€“Cerebral aqueduct, Dā€“Corpus luteum
Q413 Allen NCERT Based QUESTIONS MCQ
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R).
Assertion (A) : Multipolar neurons are found in the cerebral cortex.
Reason (R) : They consists of one axon and two or more dendrites.
In the light of the above statements,
choose the most appropriate answer from the options given below :
A.
Both (A) & (R) are correct but (R) is not the correct explanation of (A).
B.
(A) is correct but (R) is not correct.
C.
(A) is not correct but (R) is correct.
D.
Both (A) & (R) are correct and (R) is the correct explanation of (A).
Q414 Allen NCERT Based QUESTIONS MCQ
The name of nervous band connecting the cerebral hemispheres is -
A.
Corpus albicans
B.
Corpus callosum
C.
Corpus striatum
D.
Corpus spongiosum
Q415 Allen NCERT Based QUESTIONS MCQ
Which of the following statements is incorrect about cortex of cerebrum ?
A.
It consists of grey matter
B.
It consists of white matter
C.
It shows prominent folds
D.
It contains motor areas, sensory areas and association areas.
Q416 Allen NCERT Based QUESTIONS MCQ
Association areas in cerebral cortex are -
A.
Sensory areas
B.
Motor areas
C.
Responsible for intersensory associations, memory and communication
D.
None of the above is correct
Q417 Allen NCERT Based QUESTIONS MCQ
The cerebrum wraps around a structure called thalamus, which is-
A.
A major coordinating centre for sensory signal only
B.
A major centre for motor signaling
C.
A major coordinating centre for sensory and motor signaling
D.
Not a nervous part of a brain
Q418 Allen NCERT Based QUESTIONS MCQ
Hypothalamus does not control -
A.
Thermoregulation
B.
Urge for eating and drinking
C.
Produces hormones that regulate the synthesis and secretion of pituitary hormone
D.
Creative thinking and consciousness
Q419 Allen ANALYTICAL QUESTIONS MCQ
The inner parts of cerebral hemispheres and a group of associated deep structures like amygdala, hippocampus, etc; form a complex structure called-
A.
Recticular system
B.
Corpora quadrigemina
C.
Limbic lobe/limbic system
D.
Arbor vitae
Q420 Allen ANALYTICAL QUESTIONS MCQ
Which of the following statements or structures is not correct about the midbrain ?
A.
Located between the thalamus / hypothalamus and pons
B.
Has arbor vitae
C.
Has a canal (Cerebral aqueduct)
D.
Its dorsal part consists of 4 lobes (corpora (4) Its dorsal part consists of 4 lobes (corpora
gemina)
Q421 Allen ANALYTICAL QUESTIONS MCQ
Read the following statements and choose the correct option ā€“ I. Cerebellum has very convoluted surface in order to provide the additional space for more neurons. II. The medulla is connected to the spinal cord III. Medulla contains controlling centres for respiration, cardiovascular reflexes and gastric secretion.
A.
All are correct
B.
Only I is correct
C.
Only I and III are correct
D.
Only II is correct.
Q422 Allen ANALYTICAL QUESTIONS MCQ
Different components of reflex arc are given below: I. Effector organ II. Interneuron III. Motor neuron IV. Sensory neuron V. Sensory receptor Choose the correct order an action potential follows after a sensory receptor is stimulated-
A.
V, IV, III, II, I
B.
V, IV, II, III, I
C.
V, III, IV, I, II
D.
V, II, IV, III, I
Q423 Allen ANALYTICAL QUESTIONS MCQ
Where A stands for axon, D for dendrite, S for synapse, and CB for cell body, a typical sequence of structures between a receptor and an efferent is?
A.
D ā€“ CB ā€“ A ā€“ S ā€“ D ā€“ CB ā€“ A
B.
A ā€“ D ā€“ CB ā€“ S ā€“ A ā€“ D ā€“ CB
C.
D ā€“ CB ā€“ A ā€“ S ā€“ A ā€“ CB ā€“ D
D.
D ā€“ A ā€“ S ā€“ CB ā€“ Dā€“ A ā€“ CB
Q424 Allen ANALYTICAL QUESTIONS MCQ
What is meant by a reflex arc in the nervous system?
A.
An inherited behaviour pattern, that functions through a certain neural pathway
B.
A functional unit consisting of a receptor, neural pathway, and an effector
C.
Peripheral nerves, spinal cords and brain
D.
A homeostatic system of sensory nerves, synapses and motor nerves
Q425 Allen ANALYTICAL QUESTIONS MCQ
Read the following statements :-
(A) Nervous system provides an organised network of point to point connection.
(B) The endocrine system provides chemical integration through hormone.
(C) The neural organisation is very complex in lower invertebrates.
(D) Neuron can detect & receive stimuli but can't transmit.
How many of above statements are false.
A.
4
B.
3
C.
2
D.
1