Locomotion and Movement Mock Exam-9 - Mahatmaacademy.com

Locomotion and Movement Mock Exam-9

Question No:1

Tetany is due to

[A] low Ca2+in body fluid
[B] high Ca2+in body fluid
[C] high concentration of uric acid in boy fluid
[D] all



Question No:2

Which is age-related disorder characterized by decreased bone mass and increased chances of fractures. Decreased levels of estrogen are a common cause,

[A] Osteoporosis
[B] Gout
[C] Tetany
[D] Muscular dystrophy



Question No:3

Smooth muscle fibres are

[A] cylindrical, un branched, striated, multinucleate and voluntary
[B] spindle-shaped, un branched, non-striated, uninucleate and involuntary
[C] cylindrical, un branched, non-striated, multinucleate and involuntary
[D] spindle-shaped, un branched, striated, uninucleate and voluntary



Question No:4

Assertion: Ciliary movement occurs in most of our internal tubular organs which are lined by ciliated epithelium.
Reason: Passage of ova through the female reproductive tract is also facilitated by the Ciliary movement.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:5

Assertion: All loco motions are movements but all movements are not locomotion.
Reason: Movement is one of the significant features of living beings.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:6

Assertion: Ball and socket joints are the most mobile joints.
Reason: Synovial fluid is present here in synovial cavity such arrangement allows considerable movement.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:7

Assertion: Arthritis or inflammation of a joint makes the joint painful.
Reason: Some toxic substances are deposited at the joint.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:8

Assertion: Movement of body parts serves to change the body posture.
Reason: Body parts move in relation to body axis.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:9

Assertion: There are similarities between the locomotion of unicellular organisms and multi-cellular animal.
Reason: Ciliary, flagellar and amoeboid movement occur in unicellular organisms.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:10

Assertion: White muscle fibres have very less quantity of myoglobin,
Reason: White muscle fibres have high number of sarcoplasmic reticulum.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:11

Assertion: Each myosin filament is a polemerised carbohydrate.
Reason: Actin filament is made up of meromysin.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:12

Assertion: Skeleton helps in blood cell formation.
Reason: Blood flows through skeleton.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:13

Assertion: Biceps and triceps are called antagonistic muscles.
Reason: This is due to the fact that they contract and relax together.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:14

Assertion: Muscle contraction force increases with rise in strength of stimulus.
Reason: This is due to increased contraction of individual muscle fibres with increase in stimulus strength.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false



Question No:15

Assertion: Muscle as a whole doesn’t obey All or None law.
Reason: Each muscle fibre contracts maximally whenever it contracts.

[A] If both the assertion and the reason are true and the reason is a correct explanation, of the assertion
[B] If both the assertion and reason are true but the reason is not a correct explanation of the assertion
[C] If the assertion is true but the reason is false
[D] If both the assertion and reason are false