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Digestive System and Animal Nutrition

Questions about human digestive anatomy, enzymes, processes, and comparative animal nutrition

10 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

A starving person digests the stored food in the order

  1. proteins - fats - glycogen
  2. glycogen - fats - proteins
  3. glycogen - proteins - fats
  4. fats - glycogen - protein
Question 2 Multiple Choice (Single Answer)

Excessive washing of cut fruits and vegetables would lead to the loss of

  1. vitamins B and C
  2. vitamin D
  3. vitamin K
  4. protein
Question 3 Multiple Choice (Single Answer)

Which is the longest part of the alimentary canal?

  1. Duodenum
  2. Ileum
  3. Colon
  4. Large intestine
Question 4 Multiple Choice (Single Answer)

An infant passes greenish faecal matter in first two days of birth. This is known as

  1. macrophage
  2. stercobilin
  3. meconium
  4. albumin
Question 5 Multiple Choice (Single Answer)

Which of the following functions is performed by Trypsin?

  1. It converts polysaccharides to disaccharides.
  2. It converts peptides to amino acids.
  3. It converts proteins and peptones to peptides.
  4. It converts sucrose into glucose.
Question 6 Multiple Choice (Single Answer)

The term given to rhythmic waves of contraction passing backwards over the gut wall resulting in the pushing of the food is called

  1. regurgitation
  2. emulsification
  3. mastication
  4. peristalsis
Question 7 Multiple Choice (Single Answer)

Which part contains the thickest sub-mucosa?

  1. Large intestine
  2. Oesophagus
  3. Stomach
  4. Duodenum
Question 8 Multiple Choice (Single Answer)

What function is performed by enterokinase?

  1. It converts trypsinogen to trypsin.
  2. It converts caesin to caesinogen.
  3. It converts pepsinogen to pepsin.
  4. It converts proteins to peptides.
Question 9 Multiple Choice (Single Answer)

What is common among amylase, trypsin and renin?

  1. These are all proteins.
  2. These are all proteolytic enzymes.
  3. These act at pH less than 7.
  4. These are all produced in the stomach.
Question 10 Multiple Choice (Single Answer)

Which enzyme will digest proteins, if the pH of stomach is -1.6?

  1. Trypsin
  2. Amylase
  3. Pepsin
  4. Carboxypeptidase
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