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Food Tec Year 11 Prelim Nutrition 2

Total questions: 63

Worksheet time: 58mins

Name
Class
Date
1.

Which is not a role pf proteins?

a)

Growth and maintenance

b)

Primary source of energy

c)

Muscles, Blood ( haemeglobin), hair and nails ( alpha keratin)

d)

Secondary source of enery

2.

Hormones like insulin, adrenaline and thyroxin are P (a)   . This nutrient is important for hormones.

3.

Proteins regulate f (a)   in and out of cells.

4.

a)

A

b)

B

c)

C

d)

D

5.

a)

A

b)

B

c)

C

d)

D

6.

a)

A

b)

B

c)

C

d)

D

7.

a)

A

b)

B

c)

C

d)

D

8.

a)

A

b)

B

c)

C

d)

D

9.

a)

A

b)

B

c)

C

d)

D

10.

a)

A

b)

B

c)

C

d)

D

11.

CHECK ALL THAT APPLY:


Which of the following are examples of proteins?

a)

Enzymes (catylsts)

b)

Antibodies

c)

Hormones

d)

Receptors

12.

All proteins have a specific _______ that will determine its _________.

a)

function / size

b)

shape / function

c)

function / monomers

d)

function / shape

13.

What is the name of the bond that connects two amino acids in a polypeptide chain?

(a)  

14.
What is a peptide bond?
a)
Bond that holds two amino acids together.
b)
A bond that holds hydrogen and oxygen molecules together.
c)
A bond that holds the phosphate group of one nucleotide and a sugar of a neighboring nucleotide.
d)
A bond that is formed by the sharing of electrons.
15.
The diagram shows the structure of an amino acid. Which type of molecule is formed from amino acids?
a)
lipids
b)
proteins
c)
carbohydrates
d)
nucleic acids
16.
The bond between two amino acids is called...
a)
Peptide bond
b)
Amino acid bond
c)
Nothing. There isn't a name for it
d)
Hydrogen bond
17.

What is a long chain of amino acids called?

a)

Polysaccharide

b)

Lipid

c)

Carbohydrate

d)

Polypeptide

e)

Nucleic acid

18.

What food likely contains a high amount of protein?

a)

Strawberries

b)

Bread

c)

Pasta

d)

Steak

19.

What is the name for a chain of amino acids?

a)

Polypeptide chain

b)

Triglycerides

c)

Polysaccharides

d)

Nucleotides

20.

What is the name of the bond that joins two amino acids together?

a)

Ester bond

b)

Glycosidic bond

c)

Peptide bond

d)

Nucleic bond

21.

Discuss the role of proteins in the body

4 lines
22.

Fats and oils are known as L (a)  

23.

Lipids are made of

a)

Fatty acids, caron and oxygen

b)

Water, hydrogen and oxygen

c)

Carbon, hydrogen and oxygen

d)

Sterols

24.

The two types of fatty acids are saturated and unsaturated.

a)

True

b)

False

25.

Saturated fatty acids have NO double B (a)  

26.

Saturated fats make fats firm. They are found in

a)

Peanuts, canola, margarine and avocado

b)

Animal and vegetable foods, dairy, palm oil and coconut oil and chocolate

27.

Monounsaturated fatty accids are short chained fatty acids . How many double bonds do they have?

(a)  

28.

Monounsaturated fats are usually S (a)   fats. They are from animal and plant fats such as peanuts, olive oil, canola, avocados.

29.

Monounsaurated fats contain High Density Lipoprotein (HDL) these are associated with reducing bad L (a)   cholestrol.

30.

Polyunsaturated fatty acids

a)

Have no double bonds

b)

Have one double bond

c)

Have more than one double bond

31.

Margarine, vegetables, nuts and seeds are P (a)   Fatty acids.

32.

Trans fatty acids are created by adding __________ to artificially harden them?

a)

Hydrogen

b)

Oxygen

33.

Trans-fatty acids can increase the risk of heart D (a)   , arthritis and may be lined to cancer.

34.

Triglycerides if formed when four fatty acids combine with glycerol

a)

True

b)

False

35.

When many fatty acids combine with glycerol it forms a Sterol. The most common one is _________, which is made in the liver and come from food.

a)

Carbohydrates

b)

Cholestrol

36.

Name three foods with good fats and three foods with bad fats.

4 lines
37.

Which is not a function of lipids?

a)

Satiety(fullness),protects organs

b)

Strengthen bones, water regulation, B vitamins

c)

Energy, Vitamins (ADEK), fatty acids(9cal per g)

d)

Texture, flavour, body heat, metabolism and cardiovascular regulation

38.

Essential fatty acids (such as omega-3 and omega-6) can not be made in the body. They must be obtained from food.

a)

True

b)

False

39.

Name the benefit of eating Calcium and Vitamin D in the same meal?

4 lines
40.

ADEK are (a)   soluble votamins

41.

B group Vitamins and Vitamin C are ______ soluble.

a)

Fat

b)

Water

42.

Antoxidants form a defence system against F___ radicals

a)

Fried

b)

Free

c)

Fred

d)

Friendly

43.

Free radicals have many health benefits. Which is not a benefit...

a)

Reduce damage to cells

b)

Reduce chronic diseases

c)

Reduce broken bones

d)

Reduce heart disease

44.

Use the 3 hints to answer why are minerals important..

  1. 1. bones heart and muscles working

  2. 2. enzymes and hormones

  3. 3. Essential

4 lines
45.

Mineral related to bone health : (a)  

46.

Mineral related to the production of energy. When you are low you are tored and pale.

a)

Iron

b)

Magnessium

47.

Explain macro mineral v trace mineral.

4 lines
48.

Which of the following does not reduce iron absorption?

a)

Lemon (vit C)

b)

Wheat Bran ( phylates)

c)

Tea ( tanin)

d)

Rhubarb (oxalates)

49.

Vitamin D and C_______ = 65% more C______ absorption

(a)  

50.

Folate is critical in P (a)   in the development of the brain and nerves

51.

Too much Fibre in foods can reduce the absorption of

a)

Iron

b)

Calcium

c)

Sugar

52.
Saturated fats are __________ at room temperature.
a)
liquid
b)
gases
c)
plasma
d)
solid
53.
Unsaturated fats are __________ at room temperature.
a)
liquids
b)
solids
c)
toxic
d)
saturated
54.

Which of the following foods contains unsaturated fats?

a)

lettuce

b)

olive oil

c)

cheese

d)

eggs

55.

A stick of butter is what type of fat?

a)

Saturated Fat

b)

Polyunsaturated Fat

c)

Monounsaturated Fat

d)

Trans Fat

56.

The amount of stored energy in a lipid is ___________.

a)

9 kcal/g

b)

6 kcal/g

c)

100 kcal/g

d)

4 kcal/g

57.

An unsaturated lipid contains, ________

a)

more oxygen than hydrogen

b)

double bonds

c)

ionic bonds

d)

only one fatty acid

58.

Which type of fat is the most dangerous due to the risks of heart disease?

a)

saturated fats

b)

unsaturated fats

c)

trans fats

d)

polyunsaturated fats

59.

There are ____ essential amino acids

a)

11

b)

9

c)

20

d)

25

60.

Fiber is not important because we can't digest it or get energy from it

a)

True

b)

False

61.

Strong bones need: Calcium phosphorus and Vitamin _

(a)  

62.

Which nutrient increased the absorption of Iron?

a)

Vitamin C

b)

Vitamin K

c)

Iron

d)

Fibre

63.

Which nutrient reduces the absorption of Iron?

a)

Vitamin C

b)

Vitamin K

c)

Iron

d)

Fibre

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