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LIPIDS

Total questions: 40

Worksheet time: 13mins

Name
Class
Date
1.
Steroids have what kind of structure?
a)
long chain of hydrogen/carbons with a glycerol group
b)
CHO in a hexagonal shape
c)
4 fused rings
d)
polar head and two fatty acid tails
2.

The phospholipid bilayer comprises which part of the cell?

a)

cytoplasm

b)

plasma membrane

c)

cytoskeleton

d)

centrioles

3.

What type of fatty acid is this?

a)

saturated fatty acid

b)

unsaturated fatty acid

c)

steroid

d)

wax

4.
What type of lipid is this?
a)
steroid
b)
cholesterol
c)
phospholipid
d)
triglyceride
5.
In the phospholipid, the polar head is considered what type of structure?
a)
hydrophobic
b)
insoluble
c)
hydrophilic
6.
What molecule should a bear eat the most before hibernating?
a)
carbohydrates
b)
lipids
c)
proteins
d)
nucleic acid
7.
The C-O-O-H on the end of a fatty acid structure is called a _______
a)
carboxyl group
b)
R group
c)
fatty acid
d)
amino acid
8.
Lipids are classified by their ______________
a)
size
b)
color
c)
taste 
d)
structure
9.
Lipids do not dissolve in water because they are _______________
a)
polar
b)
water soluble
c)
non-polar
10.

Saturated fats have _______________

a)

straight structure

b)

single bonds between carbon atoms

c)

solidity at room temperature

d)

all of the above

11.
An example of an unsaturated fat would be ________
a)
butter
b)
meat fat
c)
vegetable oil
d)
scrapple
12.

A lipid is a polymer that is made of what kind of monomers?

a)

monosaccharides

b)

amino acids

c)

fatty acids and glycerol

d)

nucleotides

13.

Lipids are made up of carbon, hydrogen and ___________.

a)

Chlorine

b)

Nitrogen

c)

Oxygen

d)

Sulphur

14.

Lipids are soluble in ___________ only

a)

water

b)

water and organic solvents

c)

organic solvents

15.

A Fatty acid consists of a hydrocarbon chain, _________ end and ___________ group.

a)

methyl, carboxyl

b)

amino, hydroxyl

c)

hydroxyl, carboxyl

d)

carboxyl, acetyl

16.

Which fatty acid has double bonds between two carbon atoms?

a)

saturated fatty acid

b)

unsaturated fatty acid

17.

Which is a monounsaturated fatty acid?

a)

Linoleic acid

b)

Linolenic acid

c)

Olleic acid

18.

Which is a polyunsaturated fatty acid?

a)

Oleic acid

b)

Linolenic acid

c)

Myristic acid

19.

Which is an omega-6 fatty acid ?

a)

Linoleic acid

b)

Butyric acid

c)

Myristic acid

d)

Oleic acid

20.

Identify this structure

a)

Glycerol

b)

Ethanol

c)

Methanol

21.

What makes up the composition of lipid?

a)

Carbon and oxygen

b)

Carbon, hydrogen, oxygen and sulphur

c)

Carbon

d)

Carbon, oxygen and hydrogen

22.

What is the difference between a saturated fat and an unsaturated fat?

a)

Saturated fat is solid at room temperature and unsaturated fat is liquid at room temperature

b)

Saturated fat has a single bond and unsaturated fat has a double bond

c)

Saturated fats are bad for you and unsaturated fats are better for you.

d)

All of the above

23.

What is an example of a saturated fat?

a)

Olive oil

b)

Butter

c)

Corn oil

d)

Steroids

24.

What is an example of an unsaturated fat?

a)

Butter

b)

Coconut Oil

c)

Olive Oil

d)

Steroids

25.

Which diagram is a triglyceride?

a)
b)
c)
d)
26.

What is an example of a steroid?

a)

A. cholesterol

b)

B. sex hormones

c)

C. ear wax

d)

D. both A and B

27.
What are different examples of lipids?
a)
monosaccahrides, disaccharides, starch, cellulose
b)
dipetide, polypeptide, amino acids
c)
DNA, RNA, ATP
d)
triglycerides, waxes, steroids, phospholipds
28.
Saturated fats are __________ at room temperature.
a)
liquid
b)
gases
c)
plasma
d)
solid
29.
This picture shows what type of lipid?
a)
unsaturated fat
b)
wax
c)
saturated fat
d)
steroid
30.
A "kinky structure" due to the double bonds between carbon atoms creates a lipid known as what?
a)
saturated fat
b)
wax
c)
steroid
d)
unsaturated fat
31.
What is Hydrogenation?    & Is it good for us?
a)
Hydrogen atoms converting a solid fat into liquid/NO
b)
Hydrogen atoms converting a solid fat into liquid/YES 
c)
Hydrogen atoms converting an oil into a solid form/ NO
d)
Hydrogen atoms converting an oil into a solid form/ YES
32.

Trans Fatty Acids are formed due to the partial reduction of polyunsaturated oils by hydrogenation.

a)

True

b)

False

33.

Which of the following molecules is a LIPID?

a)

C35H23O20N4

b)

C12H22O11

c)

C6H12O6

d)

C75H100O24

34.

Which of the following structural formulas is a LIPID?

a)
b)
c)
d)
35.

Which of the following is a CARBOXYL GROUP?

a)
b)
c)
d)
36.

This lipid makes up 95% of stored lipids in the body.

a)

Triglycerides

b)

Monosacharrides

c)

Cholesterol

d)

Phospholipids

37.

Which is not a fat soluble vitamin?

a)

Vitamin E

b)

Vitamin B12

c)

Vitamin A

d)

Vitamin K

38.

Omega 3 and Omega 6 can be found in all of the following except ______.

a)

fish and seafood

b)

grains

c)

nuts and seeds

d)

eggs

39.

Trans Fatty Acids are formed due to the hardening of polyunsaturated oils by hydrogenation.

a)

True

b)

False

40.

Identify a saturated fat. Check all that apply.

a)

Soybean oil

b)

Chicken fat

c)

Coconut oil

d)

Fish oil

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