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Neural Control And Coordination

460 Questions Start Allen Test
All Exams Allen Errorless
Q226 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Myelinogenesis (Myelin formation) process occur in C.N.S. (central nervous system)
A.
By schwann cells
B.
By oligodendrocytes
C.
By Axolemma
D.
By neurolemma
Q227 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which of the following statement is correct for node of Ranvier of nerve ?
A.
Neurilemma is discontinuous
B.
Myelin sheath is discontinuous
C.
Both neurilemma & Myelin sheath are discontinuous
D.
Covered by myelin sheath
Q228 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
The ā€œNissle's granulesā€ of nerve cell's are made up of :-
A.
Ribosome
B.
Protein
C.
DNA
D.
Mitochondria
Q229 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Non Myelinated axons differ from myelinated in that they :-
A.
Are more excitable
B.
Lack nodes of Ranvier
C.
Are not capable of regeneration
D.
Are not associated with Schwann cells
Q230 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
If myelin sheath is continuous in myelinated nerve fibre than what will happens in neuronal conduction?
A.
Velocity is increased
B.
Conduction is slow
C.
Conduction is stopped
D.
No effect
Q231 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nerve cells do not possess -
A.
Neurilemma
B.
Sarcolemma
C.
Dendrites
D.
Axon
Q232 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Myelin sheath covers which of the following ?
A.
Muscle fibre
B.
Nerve fibre
C.
Collagen fiber
D.
Tendons
Q233 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Dendrites are associated with which system ?
A.
Nervous system
B.
Digestive system
C.
Muscular system
D.
Blood vascular system
Q234 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
The gray matter differs from white matter in the:-
A.
Absence of axons
B.
Absence of myelin sheath
C.
Presence of myelin sheath
D.
Absence of nurilemma
Q235 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nerve cells possess
(a) Dendrites (b) Axon (c) Sarcolemma (d) Neurilemma
A.
a, b
B.
a, b, c
C.
a, b, d
D.
a, b, c, d
Q236 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
The nervous system is derived from :-
A.
Ectoderm
B.
Endoderm
C.
Mesoderm
D.
Ecto and Mesoderm
Q237 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
The nerve cell can be distinguished from other cells of the body by the presence of :-
A.
Neuroplasm
B.
Neurolemma
C.
Mitochondria
D.
Neurites
Q238 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Function of nervous tissue is :-
A.
Irritability or Excitability
B.
Sensitivity
C.
Elasticity
D.
Contraction
Q239 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which of the following processes occur only in animals ?
A.
Hormonal control
B.
Respiration
C.
Nervous control
D.
Nutrition
Q240 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which cell in our body is more than a feet long?
A.
Nerve cell
B.
Muscle cell
C.
Bone cell
D.
Gland cell
Q241 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which cell stop dividing after birth ?
A.
Epithelium
B.
Neuron
C.
Glial cells
D.
Liver
Q242 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
In which animal, nerve cell is present but brain is absent ?
A.
Sponge
B.
Earthworm
C.
Cockroach
D.
Hydra
Q243 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Intercellular communication in multicellular organism occurs through -
A.
Nervous system only
B.
Digestive system only
C.
Respiratory system only
D.
Both nervous and endocrine system
Q244 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Myelin sheath is derived from :
A.
Astrocytes cells
B.
Schwann cells
C.
Nerve cells
D.
All of these
Q245 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Synaptic vesicles are found in ā€“
A.
Presynaptic neuron
B.
Post synaptic neuron
C.
Synaptic cleft
D.
None of these
Q246 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nissl's granules are absent in :
A.
Axon
B.
Cyton
C.
Dendron
D.
Dendrites
Q247 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
In a myelinated neuron, two adjacent myelin sheaths are separated by gaps called :
A.
Nodes of Ranvier
B.
Synaptic cleft
C.
Synaptic knob
D.
Neural plate
Q248 Allen NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nissl's granules are found in :
A.
Liver cells
B.
Nerve cells
C.
Kidney
D.
Heart
Q249 Allen NERVE IMPULSE CONDUCTION MCQ
Chemical transmission of nerve impulses from one neuron to another at a synapse is by:-
A.
Cholesterol
B.
Acetylcholine
C.
Cholecystokinin
D.
ATP
Q250 Allen NERVE IMPULSE CONDUCTION MCQ
Saltatory conduction occurs in :-
A.
Non-myelinated fibers
B.
Myelinated fibers
C.
Both of them
D.
None of them