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Locomotion and movement

155 Questions Start Allen Test
All Exams Allen
Q126 Allen 10. PRACTICE TEST MCQ
Select the correct statements regarding mechanism of muscle contraction.
(A) It is initiated by a signal sent by CNS via sensory neuron.
(B) Neurotransmitter generates action potential in the sarcolemma.
(C) Increased Ca+āŗ level leads to the binding of calcium with troponin on actin filaments.
(D) Masking of active site for actin is activated.
(E) Utilising the energy from ATP hydrolysis to form cross bridge.
Choose the most appropriate answer from the options given below:
A.
B, C and E only
B.
C, D and E only
C.
A and D only
D.
B, D and E only
Q127 Allen 5. NCERT BASED QUESTIONS MCQ
In a muscle fibre Caāŗāŗ is stored in :-
A.
Sarcoplasmic reticulum
B.
Sarcosome
C.
Sarcomere
D.
Sarcolemma
Q128 Allen 5. NCERT BASED QUESTIONS MCQ
Cardiac muscles are :-
A.
Striated, voluntary
B.
Striated, involuntary
C.
Unstriated, voluntary
D.
Unstriated, involuntary
Q129 Allen 5. NCERT BASED QUESTIONS MCQ
Ciliary movement is found in:
A.
Macrophages and leucocytes
B.
Fallopian tube and vasa deferentia
C.
Fallopian tube and Trachea
D.
Tongue and Limbs
Q130 Allen 5. NCERT BASED QUESTIONS MCQ
Amoeboid movement is found in :-
A.
Limbs, Jaw
B.
Macrophages, Leucocytes
C.
Trachea, Fallopian tube
D.
Tongue, Leucocytes
Q131 Allen 5. NCERT BASED QUESTIONS MCQ
In the center of I-Band, is an elastic fiber, which bisect it
A.
'H'-zone
B.
'M'-line
C.
'Z' line
D.
A-band
Q132 Allen 5. NCERT BASED QUESTIONS MCQ
Motor neuron along with muscle fibers are connected & constitute a :-
A.
Neuro muscular junction
B.
Motor end plate
C.
Motor unit
D.
Both (1) & (2)
Q133 Allen 5. NCERT BASED QUESTIONS MCQ
Myosin head contains :-
A.
ATPase
B.
ATP binding sites
C.
Active sites for actin
D.
All of these
Q134 Allen 5. NCERT BASED QUESTIONS MCQ
Which points are correct for cardiac muscles?
(A) They are striated (B) They are unbranched (C) They are involuntary (D) Intercalated disc are present
A.
A, B, C
B.
B, C, D
C.
A, C, D
D.
A, B, D
Q135 Allen 5. NCERT BASED QUESTIONS MCQ
In Paramoecium, the movement of food through cytopharynx take place by :-
A.
Cilia
B.
Flagella
C.
Microvilli
D.
Myonemes
Q136 Allen 5. NCERT BASED QUESTIONS MCQ
The striated appearance of the myofibril is due to the distribution pattern of :-
A.
Actin
B.
Myosin
C.
Calmodulin
D.
Both (1) and (2)
Q137 Allen 5. NCERT BASED QUESTIONS MCQ
Repeated activation of the muscles can lead to the accumulation of :-
A.
Acetic acid
B.
Acetyl choline
C.
Lactic acid
D.
Lactose
Q138 Allen 5. NCERT BASED QUESTIONS MCQ
Muscles contains a red coloured oxygen storing pigment called :-
A.
Haemoglobin
B.
Sarcosome
C.
Myoglobin
D.
Hemerythrins
Q139 Allen 6. ANALYTICAL QUESTIONS MCQ
In a resting state, the central part of thick filament which is not overlapped by thin filament is called :-
A.
A-band
B.
M-line
C.
H-zone
D.
II-band
Q140 Allen 6. ANALYTICAL QUESTIONS MCQ
During contraction of muscle :
A.
Thin filaments slides over the thick filaments.
B.
Thick filament slides over the thin filaments
C.
Both filaments slide over each other.
D.
No filament slides during contraction.
Q141 Allen 6. ANALYTICAL QUESTIONS MCQ
Which points are correct with the regarding of skeletal muscles?
(A) Their activities are under the voluntary control of the nervous system.
(B) They are located in the inner walls of visceral organs.
(C) They are primarily involved in locomotary actions and changes of body postures.
(D) They have no striped appearance
A.
B, D
B.
B, C
C.
A, D
D.
A, C
Q142 Allen 6. ANALYTICAL QUESTIONS MCQ
Which points are correct about visceral muscles?
A.
These are located in the inner walls of hollow visceral organs of the body.
B.
They do not exhibit any striations.
C.
Their activities are not under the voluntary control of the nervous system.
D.
All of the above
Q143 Allen 6. ANALYTICAL QUESTIONS Match the Columns
Correctly match Column-I with Column-II.
Column-IColumn-II
(A)Tetany
(B)Osteoporosis
(C)Muscular dystrophy
(D)Arthritis
(E)Myasthenia Gravis
(I)Auto immune disorder.
(II)Progressive degeneration of skeletal muscle.
(III)Inflammation of joints.
(IV)Rapid spasms in muscle.
(V)Bone mass decreased.
A.
Aā†’(I), Bā†’(II), Cā†’(III), Dā†’(IV), Eā†’(V)
B.
Aā†’(IV), Bā†’(V), Cā†’(I), Dā†’(III), Eā†’(I)
C.
Aā†’(IV), Bā†’(V), Cā†’(II), Dā†’(III), Eā†’(I)
D.
Aā†’(II), Bā†’(III), Cā†’(I), Dā†’(V), Eā†’(IV)
Q144 Allen 6. ANALYTICAL QUESTIONS MCQ
The functional unit of contraction is :-
A.
Muscle fibre
B.
Sarcomere
C.
Sarosomes
D.
Sarcoplasm
Q145 Allen 6. ANALYTICAL QUESTIONS MCQ
The correct sequence of events during relaxation of muscle is :- (i) Inactivation of the actin (ii) Caāŗāŗ returned to SR (iii) Cross bridges are broken
A.
(i), (ii), (iii)
B.
(ii), (i), (iii)
C.
(ii), (iii), (i)
D.
(iii), (ii), (i)
Q146 Allen 6. ANALYTICAL QUESTIONS MCQ
Striated muscles are primarily involved in
(A) Locomotary actions (B) Changes in body postures (C) Transportation of food through digestive tract (D) Transportation of gametes through genital tract
A.
A, B
B.
B, C
C.
C, D
D.
A, D
Q147 Allen 6. ANALYTICAL QUESTIONS MCQ
Which character is/are associated with locomotion?
(A) All locomotion are movements (B) All movements are not locomotions (C) Methods of locomotion vary with animals habitats (D) Locomotion is also for escape from predators
A.
A and B
B.
B, C and D
C.
A, B and C
D.
A, B, C and D
Q148 Allen 6. ANALYTICAL QUESTIONS MCQ
The thick filaments in 'A' band are held together in the middle of this band by a thin membrane called
A.
Z-line
B.
M-line
C.
H-line
D.
O-line
Q149 Allen 6. ANALYTICAL QUESTIONS MCQ
A neural signal reaching neuromuscular junction releases a neurotransmitter namely
A.
Dopamine
B.
Acetylcholine
C.
GABA
D.
Glycine
Q150 Allen 6. ANALYTICAL QUESTIONS MCQ
Statement I : All locomotion are movement but all movements are not locomotion. Statement II : Walking, running, climbing and swimming such types of voluntary movements are called locomotion. In the light of above statements, choose the correct answer from the option given below.
A.
Both statement-I and II are incorrect.
B.
Statement-I is correct but statement-II is incorrect.
C.
Statement-I is incorrect but statement-II is correct.
D.
Both statement-I and II are correct.