Digestion and Absorption


  1. A person who is one along hunger strike and is surviving only on water, will have









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    Due to a long hunger strike and survival on water, a person will have less urea in his urine because urea is delivered to kidney as a waste product from liver which is formed after the breakdown of proteins fats, carbohydrates during hunger.

    Correct Option: C

    Due to a long hunger strike and survival on water, a person will have less urea in his urine because urea is delivered to kidney as a waste product from liver which is formed after the breakdown of proteins fats, carbohydrates during hunger.


  1. Lysozyme that is present in perspiration, saliva and tears, destroys









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    Lysozyme is an antibacterial agent which is secreted by the major salivary glands.

    Correct Option: A

    Lysozyme is an antibacterial agent which is secreted by the major salivary glands.



  1. Duodenum has characteristic Brunner’s gland which secrete two hormones called









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    Secretin released by duodenal cells inhibits movement in gastrointestinal tract. Cholecystokinin stimulates release of pancreatic enzymes. Prolactin is a hormone released by anterior pituitary. Parathormone is released by parathyroid glands. Estradiol is released by ovary and progesterone is released by corpus luteum.

    Correct Option: B

    Secretin released by duodenal cells inhibits movement in gastrointestinal tract. Cholecystokinin stimulates release of pancreatic enzymes. Prolactin is a hormone released by anterior pituitary. Parathormone is released by parathyroid glands. Estradiol is released by ovary and progesterone is released by corpus luteum.


  1. Secretin and cholecystokinin are two hormones involved in digestion. They are secreted by









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    Duodenum.

    Correct Option: A

    Duodenum.



  1. A person had to undergo a surgery in which a major portion of his pancreas was removed. Which of the following food constituents will he find especially difficult to digest?









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    When a major portion of pancreas is removed, the enzymes that typically digest fat and meat inside the intestine are also removed.

    Correct Option: C

    When a major portion of pancreas is removed, the enzymes that typically digest fat and meat inside the intestine are also removed.