Lipid MCQs : This section focuses on the "Lipid". These Multiple Choice Questions (MCQs) should be practiced to improve the Lipid skills required for various interviews (campus interview, walk-in interview, company interview), placement, entrance exam and other competitive examinations.
Question 1
The number of water molecules consumed by the formation of phosphatidyl serine are
A. 0
B. 1
C. 2
D. 4
Question 2
How many classes of steroid hormones are there?
A. 3
B. 2
C. 4
D. 5
Question 3
How many types of lipoproteins are there?
A. 2
B. 6
C. 8
D. 5
Question 4
How many ATPs are formed during complete oxidation of palmitate?
A. 35
B. 96
C. 129
D. 131
Question 5
Arachidonate has 20 carbon atoms with
A. 3 double bonds
B. 2 double bonds
C. 4 double bonds
D. 8 double bonds
Question 6
Animals cannot convert fatty acids into glucose because
A. acetyl CoA can not be converted to pyruvate
B. absence of malate synthase
C. absence of dehydrogenase
D. absence of a-ketoglutarate dehydrogenase
Question 7
What is the major protein constituent of high-density lipoprotein (HDL)?
A. Apolipoprotein A-l
B. Apolipoprotein C-l
C. Apolipoprotein E
D. None of these
Question 8
Cholestrol is the precursor of
A. steroid hormones
B. vitamin A
C. bile salts
D. both (a) and (c)
Question 9
Synthesis of fatty acid takes place when
A. fatty acid are plentiful
B. carbohydrate is plentiful
C. carbohydrate and energy are plentiful
D. none of these
Question 10
In eukaryotes fatty acid breakdown occurs in
A. mitochondrial matrix
B. cytosol
C. cell membrane
D. endoplasmic reticulum
Question 11
Fatty acids break down of eukaryotes occurs in
A. mitochondrial matrix
B. cell membrane
C. cytosol
D. endoplasmic reticulum
Question 12
Fatty acid synthesis takes place in
A. mitochondria
B. cell membrane
C. cytosol
D. endoplasmic reticulum
Question 13
Cholesterolemia means
A. lack of functional LDL receptors
B. lack of functional HDL receptor
C. high sensitivity to fatty food intake
D. none of the above
Question 14
Micelles of fatty acids in water are organized such that the __________ faces the solvent and the __________ are directed toward the interior
A. carboxylic acid groups, hydrocarbon chains heads
B. hydrophilic heads, hydrophobic tails
C. hydrocarbon chains, carboxylic acid groups
D. both (a) and (b)
Question 15
HDLs are synthesized in
A. blood
B. liver
C. intestine
D. pancreas
Question 16
VLDLs are synthesized in
A. blood
B. liver
C. intestine
D. pancreas
Question 17
Chylomicrons are synthesized in
A. blood
B. liver
C. intestine
D. pancreas
Question 18
The lowest energy value lipid for human nutrition is
A. olive oil
B. olestra
C. margarine
D. cardiolipih
Question 19
Palmitate has 16 carbon atoms with
A. 2 double bonds
B. 3 double bonds
C. One double bond
D. None of these
Question 20
Which of the following is called milk ejection hormone?
A. Prolactin
B. Vasopressin
C. Oxytocin
D. All of these
Question 21
In the intestine, the dietary fats are hydrolysed by
A. triacylglycerol lipase
B. adenylate cyclase
C. pancreatic lipase
D. protein kinase
Question 22
Phospholipid contains
A. hydrophilic heads and hydrophobic tails
B. long water-soluble carbon chains
C. positively charged functional groups
D. both (b) and (c)
Question 23
The key enzyme in the regulation of fatty acid synthesis is
A. acetyl CoA carboxylase
B. AMP activated proteinkinase
C. protein phosphatase
D. none of these
Question 24
Triacylglycerols are
A. soluble in water
B. insoluble in water
C. soluble in water at elevated temperature
D. partially soluble in water
Question 25
Atherosclerosis can cause blood
A. thinning
B. clotting
C. thickening
D. none of these
Question 26
Fatty acids are amphipathic by nature.
A. True
B. False
Question 27
Find the INCORRECT statement about the biological functions of lipids.
A. Storage form of metabolic fuel
B. Have a protective function in bacteria, plant, and insects
C. The structural component of membranes
D. Exhibit increased catalytic activity
Question 28
Identify the lowest density lipoprotein among the following?
A. HDL
B. LDL
C. VLDL
D. Chylomicrons
Question 29
Name the reagent which is used in Saponification?
A. Ammonia
B. Acetic acid
C. NaOH/KOH
D. Butanone
Question 30
Name the two essential fatty acids?
A. Linoleate and linolenate
B. Oleic and linoleic
C. Lauric and myristic
D. Arachidonic and oleic
Question 31
What is the solubility of lipids in water?
A. Soluble
B. Partially soluble
C. Insoluble
D. Partially insoluble
Question 32
Which of the following form of lipids are also referred as neutral lipids?
A. Triacylglycerol
B. Steroid
C. Phospholipids
D. Wax
Question 33
Which of the following is an example of unsaturated fatty acids?
A. Lauric or Dodecanoic
B. Linoleic or octadecatrienoic
C. Palmitic or hexadecanoic
D. Myristic or tetradecanoic
Question 34
Which of the following is not a component of a phospholipid?
A. Phosphate
B. Alcohol
C. Glycerol
D. Protein
Question 35
Which of the following phospholipid is considered as a major constituent of nervous tissue?
A. Glycerophospholipid
B. Plasmalogen
C. Inositol
D. Sphingomyelin
Question 36
Which of the following sterol is present in the cell membrane of fungi?
A. Ergosterol
B. Stigmasterol
C. Sitosterol
D. Campesterol