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Lipid MCQ Questions & Answers

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

VLDLs are synthesized in

A. blood
B. liver
C. intestine
D. pancreas

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Question 2

Which of the following form of lipids are also referred as neutral lipids?

A. Triacylglycerol
B. Steroid
C. Phospholipids
D. Wax

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Question 3

How many types of lipoproteins are there?

A. 2
B. 6
C. 8
D. 5

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Question 4

In eukaryotes fatty acid breakdown occurs in

A. mitochondrial matrix
B. cytosol
C. cell membrane
D. endoplasmic reticulum

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Question 5

In the intestine, the dietary fats are hydrolysed by

A. triacylglycerol lipase
B. adenylate cyclase
C. pancreatic lipase
D. protein kinase

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Question 6

Fatty acid synthesis takes place in

A. mitochondria
B. cell membrane
C. cytosol
D. endoplasmic reticulum

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Question 7

How many classes of steroid hormones are there?

A. 3
B. 2
C. 4
D. 5

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Question 8

Cholestrol is the precursor of

A. steroid hormones
B. vitamin A
C. bile salts
D. both (a) and (c)

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Question 9

Fatty acids are amphipathic by nature.

A. True
B. False

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Question 10

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

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Question 11

The number of water molecules consumed by the formation of phosphatidyl serine are

A. 0
B. 1
C. 2
D. 4

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Question 12

Palmitate has 16 carbon atoms with

A. 2 double bonds
B. 3 double bonds
C. One double bond
D. None of these

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Question 13

The lowest energy value lipid for human nutrition is

A. olive oil
B. olestra
C. margarine
D. cardiolipih

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Question 14

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

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Question 15

Which of the following sterol is present in the cell membrane of fungi?

A. Ergosterol
B. Stigmasterol
C. Sitosterol
D. Campesterol

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Question 16

Which of the following is not a component of a phospholipid?

A. Phosphate
B. Alcohol
C. Glycerol
D. Protein

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Question 17

Chylomicrons are synthesized in

A. blood
B. liver
C. intestine
D. pancreas

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Question 18

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

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Question 19

Fatty acids break down of eukaryotes occurs in

A. mitochondrial matrix
B. cell membrane
C. cytosol
D. endoplasmic reticulum

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Question 20

Which of the following phospholipid is considered as a major constituent of nervous tissue?

A. Glycerophospholipid
B. Plasmalogen
C. Inositol
D. Sphingomyelin

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Question 21

HDLs are synthesized in

A. blood
B. liver
C. intestine
D. pancreas

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Question 22

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

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Question 23

What is the solubility of lipids in water?

A. Soluble
B. Partially soluble
C. Insoluble
D. Partially insoluble

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Question 24

Arachidonate has 20 carbon atoms with

A. 3 double bonds
B. 2 double bonds
C. 4 double bonds
D. 8 double bonds

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Question 25

Which of the following is called milk ejection hormone?

A. Prolactin
B. Vasopressin
C. Oxytocin
D. All of these

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Question 26

How many ATPs are formed during complete oxidation of palmitate?

A. 35
B. 96
C. 129
D. 131

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Question 27

Atherosclerosis can cause blood

A. thinning
B. clotting
C. thickening
D. none of these

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Question 28

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)

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Question 29

Phospholipid contains

A. hydrophilic heads and hydrophobic tails
B. long water-soluble carbon chains
C. positively charged functional groups
D. both (b) and (c)

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Question 30

Name the two essential fatty acids?

A. Linoleate and linolenate
B. Oleic and linoleic
C. Lauric and myristic
D. Arachidonic and oleic

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Question 31

Triacylglycerols are

A. soluble in water
B. insoluble in water
C. soluble in water at elevated temperature
D. partially soluble in water

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Question 32

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

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Question 33

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

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Question 34

Name the reagent which is used in Saponification?

A. Ammonia
B. Acetic acid
C. NaOH/KOH
D. Butanone

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Question 35

Identify the lowest density lipoprotein among the following?

A. HDL
B. LDL
C. VLDL
D. Chylomicrons

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Question 36

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

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