The H-zone in the skeletal muscle fibre is due to :
Options
(a) The central gap between myosin filaments in the A-band (b) The central gap between actin filaments extending through myosin filaments in […]
Select the correct statement with respect to locomotion in humans:
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(a) Accumulation of uric acid crystals in joints causes their inflammation (b) The vertebral column has 10 thoracic vertebrae. (c) The joint between […]
The characteristics and an example of a synovial joint in humans is:
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(a) Fluid filled between two joints, provides cushion Skull bones (b) Fluid filled synovial cavity between two bones Joint between atlas […]
Select the correct statement regarding the specific disorder of muscular or skeletal system
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(a) Muscular dystrophy – age related shortening or muscles (b) Osteoporosis – decrease in bone mass and higher chance of […]
Select the correct statement with respect to disorders of muscles in humans
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(a) Rapid contractions of skeletal muscles causes muscle dystrophy (b) Failure of neuromuscular transmission in myasthenia gravis can prevent normal swallowing […]
Three of the following pairs of the human skeletal parts are correctly matched with their respective inclusive skeletal category and one pair is not matched. Identify the non-matching pair.
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(a) Sternum and Ribs […]
Which one of the following pairs of chemical substances is correctly categorized?
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(a) Calcitonin and thymosin – Thyroid hormones (b) Pepsin and prolactin – Two digestive enzymes secreted in stomach (c) Troponin and […]
Sertoli cells are found in
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(a) ovaries and secrete progesterone (b) adrenal cortex and secrete adrenaline (c) seminiferous tubules and provide nutrition to germ cells (d) pancreas and secrete cholecystokinin
Correct Answer: […]
Signals for parturition originate from
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(a) Both placenta as well as fully developed foetus (b) Oxytocin released from maternal pituitary (c) Placenta only (d) Fully developed foetus only
Correct Answer:
Both placenta […]
What is the correct sequence of sperm formation?
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(a) Spermatogonia, spermatocyte, spermatozoa, spermatid (b) Spermatogonia; spermatozoa, spermatocyte, spermatid (c) spermatogonia, spermatocyte, spermatid, spermatozoa (d) spermatid, spermatocyte, spermatogonia, spermatozoa
Correct Answer:
spermatogonia, spermatocyte, […]
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