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MCQs

Total Questions : 178 | Page 18 of 18 pages
Question 171. Catalase enzyme is common in
  1.    plants only
  2.    animals only
  3.    insects
  4.    plant and animals
 Discuss Question
Answer: Option D. -> plant and animals
Answer: (d).plant and animals
Question 172. Conversion of hydrogen peroxide (H₂O₂) to water (H₂O) and oxygen (O₂) is carried out by
  1.    catalysis
  2.    catalase
  3.    bile
  4.    fructose
 Discuss Question
Answer: Option B. -> catalase
Answer: (b).catalase
Question 173. Plants do not produce
  1.    cellulose
  2.    lignin
  3.    fats
  4.    amylase
 Discuss Question
Answer: Option D. -> amylase
Answer: (d).amylase
Question 174. While testing presence of sugar in urine, strip color changes due to amount of
  1.    glucose oxidase
  2.    peroxidase
  3.    hydrogen per oxide
  4.    hydrogen bicarbide
 Discuss Question
Answer: Option C. -> hydrogen per oxide
Answer: (c).hydrogen per oxide
Question 175. In fish, the large molecules are normally made up of
  1.    proteins and fats
  2.    Proteins and carbohydrates
  3.    Minerals and proteins
  4.    Minerals and Fats
 Discuss Question
Answer: Option A. -> proteins and fats
Answer: (a).proteins and fats
Question 176. Using manganese oxide as a catalyst, in heating potassium chlorate (KClO₃), manganese oxide (MnₓOᵧ)
  1.    evaporates
  2.    melts
  3.    remains unchanged
  4.    becomes magnesium carbonate
 Discuss Question
Answer: Option C. -> remains unchanged
Answer: (c).remains unchanged
Question 177. Organic catalysts called enzymes are mainly made up of
  1.    carbohydrates
  2.    fats
  3.    potassium
  4.    proteins
 Discuss Question
Answer: Option D. -> proteins
Answer: (d).proteins
Question 178. Many food substances taken in by animals are
  1.    soluble in water
  2.    insoluble in water
  3.    digested without enzymes
  4.    digested through fats
 Discuss Question
Answer: Option B. -> insoluble in water
Answer: (b).insoluble in water

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