Assertion : There are similarities between the locomotion of unicellular organisms and multicellular animal.
Reason : Ciliary, flagellar and amoeboid movement occur in unicellular organisms.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Triceps is said to be an extensor muscle for elbow joint.
Reason : Triceps relaxes durings extension of forearm at the elbow joint.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Biceps and triceps are called antagonistic muscles.
Reason : This is due to the fact that they contract and relax together.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : 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.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Muscle as a whole doesn’t obey All or None law.
Reason : Each muscle fibre contracts maximally whenever it contracts.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Non-striated muscles are said to be voluntary in nature.
Reason : Non-striated muscles can be moved according to will.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Movement of body parts serves to change the body posture.
Reason : Body parts move in relation to body axis.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Arthritis or inflammation of a joint makes the joint painful.
Reason : Some toxic substances are deposited at the joint.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Ball and socket joints are the most mobile joints.
Reason : Synovial fluid is present here.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAssertion : Extra oxygen consumption in human body is known as oxygen debt.
Reason : The extra oxygen is required by the body to oxidise the accumulated lactic acid produced during strenous exercise.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology