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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

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 2

How many classes of steroid hormones are there?

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

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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

How many ATPs are formed during complete oxidation of palmitate?

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

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Question 5

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 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

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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

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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

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 10

In eukaryotes fatty acid breakdown occurs in

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

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Question 11

Fatty acids break down of eukaryotes occurs in

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

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Question 12

Fatty acid synthesis takes place in

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

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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

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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)

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Question 15

HDLs are synthesized in

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

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Question 16

VLDLs are synthesized in

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

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Question 17

Chylomicrons are synthesized in

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

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Question 18

The lowest energy value lipid for human nutrition is

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

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Question 19

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 20

Which of the following is called milk ejection hormone?

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

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Question 21

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 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)

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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

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Question 24

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 25

Atherosclerosis can cause blood

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

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Question 26

Fatty acids are amphipathic by nature.

A. True
B. False

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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

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Question 28

Identify the lowest density lipoprotein among the following?

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

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Question 29

Name the reagent which is used in Saponification?

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

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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

What is the solubility of lipids in water?

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

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Question 32

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 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

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Question 34

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

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

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Question 35

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 36

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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