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FATS AND FATTY ACID METABOLISM- Part 7
See all quizzes of FATS AND FATTY ACID METABOLISM- Part 7 here:
1 Slow reacting Substance of Anaphylaxis
is a mixture of
(A) Prostaglandins (B) Prostacyclins
(C) Thromboxanes (D) Leukotrienes
2. Dipalmitoyl lecithin acts as
(A) Platelet activating factor
(B) Second messenger for hormones
(C) Lung surfactant
(D) Anti-ketogenic compound
3. Reichert-Meissl number:
(A) 0.1 N KOH (B) 0.5 KOH
(C) 0.1 N NaOH (D) 0.5 NaOH
4. In glycerophospholipids, a polyunsaturated
fatty acid is commonly attached to which
of the following carbon atom of glycerol?
(A) Carbon 1 (B) Carbon 2
(C) Both (A) and (B) (D) None of these
5. Lysolecithin is formed from lecithin by
removal of
(A) Fatty acid from position 1
(B) Fatty acid from position 2
(C) Phosphorylcholine
(D) Choline
6. Sphingosine is synthesized from
(A) Palmitoyl CoA and Choline
(B) Palmitoyl CoA and ethanolamine
(C) Palmitoyl CoA and serine
(D) Acetyl CoA and choline
7. For synthesis of sphingosine, all the
following coenzymes are required except
(A) Pyridoxal phosphate
(B) NADPH
(C) FAD
(D) NAD
8. Cerebrosides contain all the following
except
(A) Galactose (B) Sulphate
(C) Sphingosine (D) Fatty acid
9. Niemann-Pick disease results from
deficiency of
(A) Ceramidase (B) Sphingomyelinase
(C) Arylsulphatase A (D) Hexosaminidase A
10. Chylomicron remnants are catabolised in
(A) Intestine (B) Adipose tissue
(C) Liver (D) Liver and intestine
11. VLDL remnant may be converted into
(A) VLDL (B) LDL
(C) HDL (D) Chylomicrons
12. Receptors for chylomicron remnants are
(A) Apo A specific (B) Apo B-48 specific
(C) Apo C specific (D) Apo E specific
13. LDL receptor is specific for
(A) Apo B-48 and Apo B 100
(B) Apo B-48 and Apo E
(C) Apo B-100 and Apo D
(D) Apo B-100 and apo D
14. Nascent HDL of intestinal origin lacks
(A) Apo A (B) Apo C
(C) Apo E (D) Apo C and Apo E
15. HDL is synthesized in
(A) Adipose tissue (B) Liver
(C) Intestine (D) Liver and intestine
16. Nascent HDL of intestinal origin acquires
Apo C and Apo E from
(A) Chylomicrons
(B) VLDL
(C) LDL
(D) HDL of the hepatic origin
17. Heparin releasable hepatic lipase converts
(A) VLDL remnants into LDL
(B) Nascent HDL into HDL
(C) HDL2 into HDL3
(D) HDL3 into HDL2
18. Activated lecithin cholesterol acyl transferase
is essential for the conversion of
(A) VLDL remnants into LDL
(B) Nascent HDL into HDL
(C) HDL2 into HDL3
(D) HDL3 into HDL2
19. Fatty liver may be caused by
(A) Deficiency of methionine
(B) Puromycin
(C) Chronic alcoholism
(D) All of these
20. Alcohol dehydrogenase converts ethanol
into
(A) Acetyl CoA (B) Acetaldehyde
(C) Acetate (D) CO2 and H2O
21. Lipids are stored in the body mainly in
the form of
(A) Phospholipids (B) Glycolipids
(C) Triglycerides (D) Fatty acids
22. Lipid stores are mainly present in
(A) Liver (B) Brain
(C) Muscles (D) Adipose tissue
23. Glycerol is converted into glycerol-3-
phosphate by
(A) Thiokinase (B) Triokinase
(C) Glycerol kinase (D) All of these
24. In adipose tissue, glycerol-3-phosphate
required for the synthesis of triglycerides
comes mainly from
(A) Hydrolysis of pre-existing triglycerides
(B) Hydrolysis of phospholipids
(C) Dihydroxyacetone phosphate formed in
glycolysis
(D) Free glycerol
25. Glycerol released from adipose tissue by
hydrolysis of triglycerides is mainly
(A) Taken up by liver
(B) Taken up by extrahepatic tissues
(C) Reutilised in adipose tissue
(D) Excreted from the body
26. Free glycerol cannot be used for triglyceride
synthesis in
(A) Liver (B) Kidney
(C) Intestine (D) Adipose tissue
27. Adipose tissue lacks
(A) Hormone-sensitive lipase
(B) Glycerol kinase
(C) cAMP-dependent protein kinase
(D) Glycerol-3-phosphate dehydrogenase
28. A digestive secretion that does not contain
any digestive enzyme is
(A) Saliva (B) Gastric juice
(C) Pancreatic juice (D) Bile
29. Saliva contains a lipase which acts on
triglycerides having
(A) Short chain fatty acids
(B) Medium chain fatty acids
(C) Long chain fatty acids
(D) All of these
30. Salivary lipase hydrolyses the ester bond
at
(A) Position 1 of triglycerides
(B) Position 2 of triglycerides
(C) Position 3 of triglycerides
(D) All of these
