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MCQs

Total Questions : 310 | Page 4 of 31 pages
Question 31. Which pathway will result in the production of four carbon dioxide molecules, two ATP molecules, NADH2 and FADH2?
  1.    glycolysis
  2.    Krebs cycle
  3.    Calvin cycle
  4.    electron transport system
 Discuss Question
Answer: Option B. -> Krebs cycle
Answer: (b).Krebs cycle
Question 32. The TCA cycle is regulated by which of the following enzymes?
  1.    citrate synthase
  2.    isocitrate dehydrogenase
  3.    malate dehydrogenase
  4.    succinate dehydrogenase
 Discuss Question
Answer: Option B. -> isocitrate dehydrogenase
Answer: (b).isocitrate dehydrogenase
Question 33. Phosphoenolpyruvate (PEP) is converted to oxaloacetate by the enzyme PEP deaminase.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 34. Which of the following pathway is common for oxidation of carbohydrates, lipids and amino acids?
  1.    Calvin cycle
  2.    Electron transport chain
  3.    TCA cycle
  4.    Pentose phosphate pathway
 Discuss Question
Answer: Option C. -> TCA cycle
Answer: (c).TCA cycle
Question 35. Protein molecules can easily pass into the cell for being utilized for energy production.
  1.    True
  2.    False
  3.    May be
  4.    Can't say
 Discuss Question
Answer: Option B. -> False
Answer: (b).False
Question 36. RuBisCO enzyme plays an important role in __________
  1.    light phase
  2.    dark phase
  3.    electron transport chain
  4.    TCA cycle
 Discuss Question
Answer: Option B. -> dark phase
Answer: (b).dark phase
Question 37. Which force drives the flagellar rotation in bacteria?
  1.    ATP
  2.    protonmotive force
  3.    electrons
  4.    water gradient
 Discuss Question
Answer: Option B. -> protonmotive force
Answer: (b).protonmotive force
Question 38. The final product of Calvin cycle is _________
  1.    RuBP
  2.    Glucose
  3.    Dihydroxy acetone phosphate
  4.    Glyceraldehyde-3-phosphate
 Discuss Question
Answer: Option D. -> Glyceraldehyde-3-phosphate
Answer: (d).Glyceraldehyde-3-phosphate
Question 39. The dark reaction in photosynthesis is governed by __________
  1.    CO2, temperature, and light
  2.    CO2, light, and water
  3.    water, temperature, and CO2
  4.    oxygen, water, and temperature
 Discuss Question
Answer: Option A. -> CO2, temperature, and light
Answer: (a).CO2, temperature, and light
Question 40. Which of the following has no detectable ATPase activity?
  1.    cilia
  2.    eukaryotic flagella
  3.    bacterial flagella
  4.    endoflagella
 Discuss Question
Answer: Option C. -> bacterial flagella
Answer: (c).bacterial flagella

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