Life Sciences

BIOENERGETICS AND METABOLISM MCQs

Total Questions : 94

Page 1 of 10 pages
Question 1. Name the enzyme which is responsible for the conversion of pyruvate to phosphoenolpyruvate (PEP)?
  1.    Pyruvate carboxylase
  2.    Pyruvate carboxykinase
  3.    Glucose 6-phosphatase
  4.    Phosphofructokinase
 Discuss Question
Answer is Option B. -> Pyruvate carboxykinase
Answer: (b).Pyruvate carboxykinase
Question 2. Which of the following is the precursor of glycogen?
  1.    Glycerol 3-phosphate
  2.    Malate
  3.    UDP-glucose
  4.    Leucine and lysine
 Discuss Question
Answer is Option C. -> UDP-glucose
Answer: (c).UDP-glucose
Question 3. Which of the following are major sites for glycogen storage?
  1.    Adipose tissue
  2.    Bones
  3.    Muscle and liver
  4.    Kidney and liver
 Discuss Question
Answer is Option C. -> Muscle and liver
Answer: (c).Muscle and liver
Question 4. Gluconeogenesis is also carried out in muscle and brain.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer is Option B. -> False
Answer: (b).False
Question 5. The priming function in glycogen synthesis is carried out by_________
  1.    Lysine
  2.    Arginine
  3.    Glycogenin
  4.    Glutamate
 Discuss Question
Answer is Option C. -> Glycogenin
Answer: (c).Glycogenin
Question 6. All deoxyribonucleotide is synthesized by the ribonucleotides.
  1.    True
  2.    False
  3.    May be True or False
  4.    Can't say
 Discuss Question
Answer is Option A. -> True
Answer: (a).True
Question 7. Name the precursor of RNA?
  1.    Glutamine
  2.    Cytidine
  3.    Orotidylate
  4.    Uridylate
 Discuss Question
Answer is Option D. -> Uridylate
Answer: (d).Uridylate
Question 8. During purine synthesis the activity of amidotransferase enzyme is inhibited by the antitumor agent, mark the correct one.
  1.    Aminopterin
  2.    Methotrexate
  3.    Texol
  4.    Azaserine
 Discuss Question
Answer is Option D. -> Azaserine
Answer: (d).Azaserine
Question 9. Which of the following is not the precursor of a purine ring?
  1.    Glutamine
  2.    Lysine
  3.    Glycine
  4.    Aspartate
 Discuss Question
Answer is Option B. -> Lysine
Answer: (b).Lysine
Question 10. The activity of which of the following enzyme is inhibited by the chemotherapeutic agent during deoxyribonucleotide synthesis?
  1.    Dihydrofolate reductase
  2.    Ribonucleotide reductase
  3.    Thymidylate synthase
  4.    CTP synthetase
 Discuss Question
Answer is Option A. -> Dihydrofolate reductase
Answer: (a).Dihydrofolate reductase