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LIPIDS

Total questions: 15

Worksheet time: 8mins

Name
Class
Date
1.

Under basic conditions, lipid molecule hydrolysis produces

a)

Glycerol + Water

b)

Glycerol + Fatty acids

c)

Glycerol + Fatty acid salts

d)

Water + Fatty acids

2.

It is the body's triacylglycerol-storing cells

a)

adipose tissue

b)

myocytes

c)

lipocytes

d)

none of the 3 choices

3.

A messenger lipid that contains a cyclopentane ring and oxygen-containing functional groups.

a)

Leukotriene

b)

Thromboxane

c)

Estrogen

d)

Prostaglandin

4.

The transport process in which a substance moves across a cell membrane, with the aid of membrane proteins, from a region of higher concentration to a region of lower concentration without the expenditure of cellular energy.

a)

Facilitated transport

b)

Active transport

c)

Passive transport

5.

The illustration is a

a)

Glycerophospholipid

b)

Sphingoglycolipid

c)

Sphingophospholipid

d)

Triacylglycerol

6.

Under acidic conditions, lipid molecule hydrolysis produces

a)

Glycerol + Water

b)

Glycerol + Fatty acids

c)

Glycerol + Fatty acid salts

d)

Water + Fatty acids

7.

Fatty acid is a naturally occurring dicarboxylix acid.

They almost always contain an odd number of carbon atoms.

a)

1st statement is true, 2nd statement is false

b)

2nd statement is true, 1st statement is false

c)

Both statements are true

d)

Both statements are false

8.

Which is incorrectly paired?

a)

fats - energy storage lipids

b)

steroid hormones - messenger lipids

c)

glycerophospholipids - membrane lipids

d)

cholesterol - protective coating lipids

9.

Complete the Esterification reaction:

? + fatty acids = ? + water

a)

alcohol; ester

b)

ester; carboxylic acid

c)

alcohol; monosaccharide

d)

ester; phosphate group

10.

Which of the ff is not TRUE about lipids?

a)

more double bonds, increase in melting point

b)

sparingly soluble in water but insoluble in organic solvents

c)

act as thermal insulators

d)

solubility decreases with increasing carbon chain length

11.

Fat is a triglyceride mixture that is a solid at room temperature.

It is from animal sources.

a)

1st statement is true, 2nd statement is false

b)

2nd statement is true , 1st statement is false

c)

Both statements are true

d)

Both statements are false

12.

Examples of nonpolar organic solvents, EXCEPT

a)

acetone

b)

benzene

c)

chloroform

d)

glycerol

13.

Phospholipids is the most abundant lipids present in the body.

It does not contain an alcohol and fatty acids but has phosphate group attached to it.

a)

1st statement is true, 2nd statement is false

b)

2nd statement is true, 1st statement is false

c)

Both statements are true

d)

Both statements are false

14.

The physiological effects of eicosanoids, EXCEPT

a)

The control of reproductive functions

b)

Induction of blood clotting

c)

Regulation of sleep/wake cycle

d)

Serves as means of communication between tissues

15.

The ff are unsaturated fatty acids, EXCEPT

a)

Arachidonic acid

b)

Palmitoleic acid

c)

Docosahexanoic acid

d)

Arachidic acid