Mcqs of
What is the primary building block for lipid synthesis?
a) Glucose
b) Amino acids
c) Fatty acids
d) Nucleotides
Answer: c) Fatty acids
Which enzyme catalyzes the synthesis of fatty acids?
a) Acetyl-CoA carboxylase
b) Fatty acid synthase
c) Pyruvate kinase
d) Hexokinase
Answer: b) Fatty acid synthase
Where are excess lipids stored?
a) Liver
b) Adipose tissue
c) Muscle tissue
d) Kidneys
Answer: b) Adipose tissue
Which hormone stimulates lipolysis?
a) Insulin
b) Glucagon
c) Leptin
d) Adrenaline
Answer: b) Glucagon
which one is the enzyme responsible for the breakdown of
triglycerides?
a) Acetyl-CoA carboxylase
b) Fatty acid synthase
c) Hormone-sensitive lipase
d) Pyruvate kinase
Answer: c) Hormone-sensitive lipase
What is the primary function of chylomicrons?
a) Transport newly synthesized lipids
b) Transport dietary lipids
c) Carry cholesterol in the blood
d) Break down stored triglycerides
Answer: b) Transport dietary lipids
Which lipoprotein is associated with an high risk of
cardiovascular disease?
a) Chylomicrons
b) VLDLs
c) LDLs
d) HDLs
Answer: c) LDLs
Which lipid is a major component of cellular membranes?
a) Triglycerides
b) Cholesterol
c) Phospholipids
d) Fatty acids
Answer: c) Phospholipids
What is the process by which glucose is converted to
acetyl-CoA?
a) Glycolysis
b) Gluconeogenesis
c) Citric acid cycle
d) Lipolysis
Answer: a) Glycolysis
Which enzyme catalyzes the conversion of acetyl-CoA to
malonyl-CoA?
a) Acetyl-CoA carboxylase
b) Fatty acid synthase
c) Pyruvate kinase
d) Hexokinase
Answer: a) Acetyl-CoA carboxylase
Which tissue is the primary site of lipolysis?
a) Liver
b) Muscle tissue
c) Adipose tissue
d) Kidneys
Answer: c) Adipose tissue
What is the process by which glycerol is converted to
glucose?
a) Glycolysis
b) Gluconeogenesis
c) Citric acid cycle
d) Lipolysis
Answer: b) Gluconeogenesis
lipoprotein is
responsible for transporting newly synthesized lipids?
a) Chylomicrons
b) VLDLs
c) LDLs
d) HDLs
Answer: b) VLDLs
What is the process by which a polar head group is added to
a glycerol backbone to form a phospholipid?
a) Esterification
b) Oxidation
c) Phosphorylation
d) Acylation
Answer: d) Acylation
Which hormone signals adipocytes to release stored
triglycerides into the bloodstream?
a) Insulin
b) Glucagon
c) Leptin
d) Adrenaline
Answer: b) Glucagon
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