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MCQs

Total Questions : 211 | Page 20 of 22 pages
Question 191. During cellular respiration, most of the ATP made, is generated by
  1.    oxidative phosphorylation
  2.    photophosphorylation
  3.    glycolysis
  4.    substrate-level phosphorylation
 Discuss Question
Answer: Option A. -> oxidative phosphorylation
Answer: (a).oxidative phosphorylation
Question 192. Citric acid cycle occurs in
  1.    cytoplasm
  2.    mitochondria
  3.    endoplasmic reticulum
  4.    golgi bodies
 Discuss Question
Answer: Option B. -> mitochondria
Answer: (b).mitochondria
Question 193. To stop ATP synthesis which chemical is generally used?
  1.    DNSA
  2.    2,4 dinitrophenol
  3.    DDT
  4.    None of the chemical can stop ATP synthesis
 Discuss Question
Answer: Option B. -> 2,4 dinitrophenol
Answer: (b).2,4 dinitrophenol
Question 194. The enzymes of the TCA cycle in a eukaryotic cell are located in the
  1.    nucleus
  2.    mitochondria
  3.    plasma membrane
  4.    lysosomal bodies
 Discuss Question
Answer: Option B. -> mitochondria
Answer: (b).mitochondria
Question 195. Important function of cholesterol is to
  1.    modulate fluidity
  2.    enhance blood circulation
  3.    prevent bile salts formation
  4.    None of these
 Discuss Question
Answer: Option A. -> modulate fluidity
Answer: (a).modulate fluidity
Question 196. A biological redox reaction always involves
  1.    an oxidizing agent
  2.    all of these
  3.    a reducing agent
  4.    a gain of electrons
 Discuss Question
Answer: Option B. -> all of these
Question 197. During glycolysis, electrons removed from glucose are passed to
  1.    pyruvic acid
  2.    NAD+
  3.    FAD
  4.    acetyl CoA
 Discuss Question
Answer: Option B. -> NAD+
Question 198. FAD is reduced to FADH2 during
  1.    lactate fermentation
  2.    glycolysis
  3.    electron transport phosphorylation
  4.    Krebs cycle
 Discuss Question
Answer: Option D. -> Krebs cycle
Question 199. The carbon dioxide is primary a product of
  1.    Krebs cycle
  2.    glycolysis
  3.    lactate fermentation.
  4.    electron transport phosphorylation.
 Discuss Question
Answer: Option A. -> Krebs cycle
Question 200. Coenzyme Q is involved in electron transport as
  1.    covalently attached cytochrome cofactor
  2.    a water-soluble electron donor
  3.    directly to O2
  4.    a lipid-soluble electron carrier
 Discuss Question
Answer: Option D. -> a lipid-soluble electron carrier

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