Fatty Acid Catabolism MCQs

Fatty Acid Catabolism MCQs

Fatty acids are a crucial energy source, stored in the body as triglycerides or fats. Fatty acid catabolism is the metabolic process that allows the body to utilize the energy stored in these triglycerides. Each gram of fatty acid provides about 9 kcal of energy. Dietary fats are digested by lipase enzymes secreted by the pancreas in the duodenum, breaking down triglycerides into fatty acids and glycerol. Long-chain fatty acids undergo β-oxidation in the mitochondrial matrix, resulting in the formation of acetyl CoA.

Where do the long-chain fatty acids get first activated?

(a) Microsomes
(b) Mitochondria
(c) Cytosol
(d) Nucleus

The free fatty acids are transported by blood associated with

(a) β-lipoprotein
(b) a fatty acid-binding protein
(c) albumin
(d) none of the above

The long-chain fatty acids get transported through the inner mitochondrial membrane

(a) as acyl-CoA derivative
(b) freely
(c) as carnitine derivative
(d) require sodium-dependent carrier

Where are the enzymes for β-oxidation present?

(a) Nucleus
(b) Cytosol
(c) Mitochondria
(d) Golgi apparatus

Where are ketone bodies synthesized?

(a) Brain
(b) Muscles
(c) Liver
(d) Adipose tissues

Which of the following is a saturated fatty acid?

(a) Linoleic acid
(b) Erucic acid
(c) Palmitic acid
(d) Oleic acid

α-oxidation of fatty acids mostly occurs in

(a) Brain
(b) Adipose tissues
(c) Liver
(d) Muscles

Which one of the following is an essential fatty acid?

(a) Linolenic acid
(b) Palmitic acid
(c) Linoleic acid
(d) both (a) and (c)

Which of the following undergoes β-oxidation?

(a) Polyunsaturated fatty acids
(b) Saturated fatty acids
(c) Monounsaturated fatty acids
(d) All of the above

Fats after absorption, present in the circulation as

(a) VLDL
(b) HDL
(c) LDL
(d) Chylomicron