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    CBSE

    Subject

    Biology
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    NEET Biology : Locomotion and Movement

    Multiple Choice Questions

    91.

    The characteristics and an example of a synovial joint in humans is

    • Characteristics Examples
      Fluid cartilage between two bones, limited movements Knee joints
    • Fluid filled between two joints, provides cushion Skull bones
    • Fluid filled synovial cavity between two bones Joint between atlas and axis
    • Lymph filled between two bones, limited movement Gliding joint between carpals
    Answer
    • 92.

    Cardiac muscles are

    • striated and voluntary

    • striated and involuntary

    • smooth and voluntary

    • smooth and involuntary

    Answer
    • 93.

    The H-zone in the skeletal muscle fibre is due to

    • the absence of myofibrils in the central portion of A-band

    • the central gap between myosin filaments in the A-band

    • the central gap between actin filaments extending through myosin filaments in the A-band

    • extension of myosin filaments in the central portion of the A-band

    Answer
    • 94.

    Osteomalacia is a deficiency disease of

    • infants due to protein energy malnutrition

    • adults due to protein energy malnutrition

    • adults due to vitamin-D deficiency

    • infants due to vitamin-K deficiency

    Answer
    • 95.

    Bone is mainly composed of

    • iron and phosphorus

    • sulphur and calcium

    • calcium and phosphorus

    • calcium and magnesium

    Answer
    • 96.

    The disease that occurs in mature adult human being due to deficiency of calciferol is

    • keratomalacia

    • osteomalacia

    • glossitis

    • pernicious anaemia

    Answer
    • 97.

    The generation of excitation-contraction coupling involves all the following events except

    • generation of end-plate potential

    • release of calcium from troponin

    • formation of cross-linkages between actin and myosin

    • hydrolysis of ATP to ADP

    Answer
    • 98.

    Spindle fibre is made up of

    • humulin

    • intermediate filament

    • flagellin

    • tubulin

    Answer
    • 99.

    Select the correct statement with respect to locomotion in humans

    • A decreased level of progesterone causes osteoporosis in old people

    • Accumulation of uric acid crystals in joints causes their inflammation

    • The vertebral column has 10 thoracic vertebrae

    • The joint between adjacent vertebrae is a fibrous joint

    Answer
    • 100.

    All or none law is not applicable for

    • whole skeletal muscle

    • single skeletal muscle fibre

    • whole cardiac muscle

    • single smooth muscle fibre

    Answer
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