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MCQs

Total Questions : 178 | Page 12 of 18 pages
Question 111. Beyond optimum temperature, the enzyme becomes
  1.    flat only
  2.    hyperactive only
  3.    flat and hyperactive
  4.    denatured
 Discuss Question
Answer: Option D. -> denatured
Answer: (d).denatured
Question 112. At a pH 7 to 9, the activity of amylase
  1.    stops
  2.    slows
  3.    expedites
  4.    ends
 Discuss Question
Answer: Option B. -> slows
Answer: (b).slows
Question 113. Amylase becomes denatured at a acidic pH of
  1.    4
  2.    5
  3.    6
  4.    7
 Discuss Question
Answer: Option A. -> 4
Answer: (a).4
Question 114. Through enzyme pepsin, proteins can be changed to
  1.    polypeptides
  2.    cellulose
  3.    amino acids
  4.    fatty acids
 Discuss Question
Answer: Option A. -> polypeptides
Answer: (a).polypeptides
Question 115. In plants, enzymes become denatured above
  1.    40 °C
  2.    50 °C
  3.    60 °C
  4.    70 °C
 Discuss Question
Answer: Option C. -> 60 °C
Answer: (c).60 °C
Question 116. Glycogen (C₂₄H₄₂O₂₁) is converted to glucose (C₆H₁₂O₆) through enzyme known as
  1.    Rennin
  2.    Mucin
  3.    Adrenaline
  4.    Erepsin
 Discuss Question
Answer: Option C. -> Adrenaline
Answer: (c).Adrenaline
Question 117. Fiber is important for the proper functioning of
  1.    liver
  2.    large intestine
  3.    kidneys
  4.    small intestine
 Discuss Question
Answer: Option B. -> large intestine
Answer: (b).large intestine
Question 118. Peristalsis helps in
  1.    absorption of minerals
  2.    passing food from small intestine to large intestine
  3.    passing food through esophagus
  4.    passing food from stomach to small intestine
 Discuss Question
Answer: Option C. -> passing food through esophagus
Answer: (c).passing food through esophagus
Question 119. Function of trace elements is to trace the benefits of
  1.    minerals
  2.    vitamins
  3.    proteins
  4.    none of others
 Discuss Question
Answer: Option D. -> none of others
Answer: (d).none of others
Question 120. Functions of stomach involves
  1.    action of bile
  2.    digestion of proteins
  3.    action of pancreatic enzymes
  4.    absorption of digested foods
 Discuss Question
Answer: Option B. -> digestion of proteins
Answer: (b).digestion of proteins

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