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Neural Control And Coordination

224 Questions Start Allen Test
All Exams Allen
Q1 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nissl's bodies found in neurons are :-
A.
Made of DNA
B.
Masses of RER
C.
Help in formation of neurofibrils
D.
Masses of mitochondria
Q2 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
"Nodes of Ranviers" are found in :-
A.
Brain
B.
Heart
C.
Axon
D.
Eye
Q3 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Afferent nerve fiber conducts impulse from :-
A.
C.N.S. to effector
B.
Receptor to C.N.S.
C.
Receptor to effector
D.
Effector to receptor
Q4 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nissl granules occur in which part and what is their function ?
A.
Neurons and help in protein synthesis
B.
Blood and help in nutrition and excretion
C.
Sarcoplasm and help in contraction
D.
Mucous cell and secrete mucous
Q5 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
The parts of the neurons that perform basic cellular functions such as protein synthesis etc. :ā€“
A.
Axons
B.
Axon hillock
C.
Synaptic knobs
D.
Soma
Q6 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
The nerves leading to the central nervous system are called :-
A.
Afferent
B.
Efferent
C.
Motor
D.
None
Q7 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Unit of nervous system :-
A.
Neuron
B.
Neuroglia
C.
Axon
D.
Cyton
Q8 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Integrative system in the body are :-
A.
Endocrine system
B.
Nervous system
C.
Blood vascular system
D.
Both (1) & (2)
Q9 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
The Schwann sheath is :-
A.
A non-myelinated nerve fibres
B.
Associated with myelin sheath
C.
A connective tissue cell
D.
Associated with myelinated & non-myelinated nerve fibre
Q10 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Rapid integration of the functional activities in human is achieved by :-
A.
Nervous system
B.
Endocrine system
C.
Blood
D.
Muscular system
Q11 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which one of the following types of neurons are most numerous in the body ?
A.
Unipolar
B.
Multipolar
C.
Bipolar
D.
Pseudounipolar
Q12 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Sheath of schwann occurs on :-
A.
Neurons
B.
Axons
C.
Dendrons
D.
Neuroglia
Q13 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Which cell-organellae absent in neurons ?
A.
Mitochondria
B.
Ribosome
C.
Centriole
D.
Nucleus
Q14 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nerve fibres are surrounded by an insulating fatty layer called :-
A.
Adipose sheath
B.
Myelin sheath
C.
Hyaline sheath
D.
Peritoneum
Q15 Allen 1. 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
Q16 Allen 1. 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
Q17 Allen 1. 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
Q18 Allen 1. 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
Q19 Allen 1. 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
Q20 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Nerve cells do not possess -
A.
Neurilemma
B.
Sarcolemma
C.
Dendrites
D.
Axon
Q21 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
Myelin sheath covers which of the following ?
A.
Muscle fibre
B.
Nerve fibre
C.
Collagen fiber
D.
Tendons
Q22 Allen 1. 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
Q23 Allen 1. 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
Q24 Allen 1. 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
Q25 Allen 1. NEURAL SYSTEM AND NEURAL TISSUE MCQ
The nervous system is derived from :-
A.
Ectoderm
B.
Endoderm
C.
Mesoderm
D.
Ecto and Mesoderm