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Food Science Test 13 — Grade 10

Total questions: 50

Worksheet time: 25mins

Name
Class
Date
1.

Trace minerals are needed in the diet in amounts more than 100 mg per day.

a)

true

b)

false

2.

Two nutrients that work as antioxidants are ____.

a)

vitamins C and D

b)

vitamins C and selenium

c)

vitamin E and pantothenic acid

d)

magnesium and choline

3.

Farmers monitor nutrient content of the soil to maximize both quality and yield of their crops.

a)

true

b)

false

4.

Vitamin C increases the bioavailability of potassium chloride.

a)

true

b)

false

5.

Which of the following is most often enriched due to nutrients being destroyed during processing?

a)

Vitamin E and tocopherols.

b)

Vitamin D and its calciferol precursors.

c)

Vitamin C and ascorbic acid.

d)

B vitamins.

6.

Milk is packaged in opaque cartons to help stop sunlight from destroying thiamin in the milk.

a)

true

b)

false

7.

Which of the following is not a precursor to retinol (pro-vitamin A)?

a)

alpha-carotene

b)

beta-carotene

c)

beta-cryptoxanthin

d)

delta-tocopherol

8.

Anything that interferes with normal gut flora reduces the available vitamin K.

a)

true

b)

false

9.

Antibiotics can cause a vitamin A deficiency.

a)

true

b)

false

10.

Trace minerals are needed in the diet in amounts less than 100 mg per day.

a)

true

b)

false

11.

A lack of ____ can cause too little oxygen to be available for energy metabolism.

a)

boron

b)

iodine

c)

iron

d)

selenium

12.

The nutrient that most people obtain through public water supplies is copper.

a)

true

b)

false

13.

Foods such as coffee and tea interfere with the body's ability to absorb iron.

a)

true

b)

false

14.

Major minerals are ____.

a)

complex compounds

b)

difficult to get enough of in a balanced diet

c)

needed in excess of 100 mg per day

d)

needed in lesser amounts than trace minerals

15.

Which nutrients are responsible for maintaining the body's fluid balance?

a)

Phosphorous and chloride.

b)

Potassium and sodium.

c)

Calcium and magnesium.

d)

Phosphorous and potassium.

16.

Which is not a function of the B vitamins?

a)

Support the nervous system.

b)

Help produce the connective tissue collagen.

c)

Function as coenzymes.

d)

Release energy in food.

17.

When the presence of oxygen is coupled with a high moisture content, vitamin A is especially unstable.

a)

true

b)

false

18.

Which action is recommended for preserving nutrients while cooking at home?

a)

Boil vegetables until very soft.

b)

Add lemon juice or baking soda to vegetables to maintain color and firmness.

c)

Cut food into small pieces to increase exposure to air, light, and water.

d)

Use steam to preserve water soluble vitamins.

19.

Which of the following is generally not a good source of vitamin E?

a)

Green plants.

b)

Processed foods.

c)

Seeds.

d)

Wheat germ oil.

20.

One of the best sources of iodine is ____.

a)

leafy green vegetables

b)

meat

c)

poultry

d)

seafood

21.

Enrichment is ____.

a)

used mainly for minerals

b)

restoring nutrients lost in processing

c)

illegal in some states

d)

no longer used

22.

Which nutrient is not necessary for the formation of bone tissue?

a)

Calcium.

b)

Iron.

c)

Phosphorous.

d)

Vitamin D.

23.

Which nutrient will increase the bioavailability of iron?

a)

Vitamin C.

b)

Calcium.

c)

Niacin.

d)

Phosphorous.

24.

Once absorbed by the body, fat-soluble vitamins cannot be easily excreted.

a)

true

b)

false

25.

A food vehicle is ____.

a)

an enriched food

b)

a food containing a fortificant

c)

a fortificant

d)

a regulator of metabolism

26.

Which cookware material will not increase oxidation of foods?

a)

Brass.

b)

Copper.

c)

Iron.

d)

Stainless steel.

27.

Minerals are organic compounds needed in small amounts by the body.

a)

true

b)

false

28.

Which group of people do not generally need to take vitamin and mineral supplements?

a)

Women of childbearing age

b)

School-aged children

c)

Adults over 50

d)

Anyone with a disorder that limits consumption of a food category

29.

Adding lemon to tea helps block the caffeine and tannins from interfering with the absorption of calcium and iron.

a)

true

b)

false

30.

A good source of retinol is ____.

a)

carrots

b)

egg yolks

c)

spinach

d)

rice

31.

What provides about half of the body's vitamin K needs?

a)

Orange fruits and vegetables.

b)

Bacteria in the intestines.

c)

Table salt.

d)

Fortification in dairy products.

32.

Which of the following nutrients is found in most foods?

a)

Ascorbic acid.

b)

Iron.

c)

Phosphorous.

d)

Potassium.

33.

Because excess ____ leave the body in urine, it is not possible to receive toxic doses from food sources.

a)

major minerals

b)

trace minerals

c)

fat-soluble vitamins

d)

water-soluble vitamins

34.

Types of cookware do not react with food cooked in them.

a)

true

b)

false

35.

Because it is difficult to determine dietary nutrients for maximum health, the Reference Dietary Intakes (RDI) is the average amount recommended to prevent deficiency diseases.

a)

true

b)

false

36.

Vitamin C helps the body ____.

a)

build enzymes

b)

produce collagen

c)

store glycogen

d)

release energy

37.

When sodium is added to preserve processed foods, it does not impact health.

a)

true

b)

false

38.

Which factor is not considered when a food is selected to receive fortification?

a)

There are no negative interactions between the fortificant and the food vehicle.

b)

The food vehicle is commonly used by the bulk of the population.

c)

The fortificant is from an organically grown source.

d)

The food vehicle is available to most consumers regardless of economic status.

39.

The body is capable of making ____.

a)

calcium

b)

iodine

c)

vitamin C

d)

vitamin D

40.

Vitamin and mineral supplements are regulated by the USDA.

a)

true

b)

false

41.

Vitamin D is a hormone that can be produced by the body under certain conditions.

a)

true

b)

false

42.

When grains are processed, ____ most likely to be lost.

a)

vitamin A is

b)

B vitamins are

c)

vitamin C is

d)

vitamin K is

43.

Women of childbearing age are advised to take vitamin and mineral supplements before they become pregnant.

a)

true

b)

false

44.

Which B vitamin is found only in animal products?

a)

Biotin (B7).

b)

Cobalamin (B12).

c)

Folate (B9).

d)

Thiamine (B1).

45.

Because excess ____ leave the body in urine, it is not possible to receive toxic doses from natural food sources.

a)

major minerals

b)

trace minerals

c)

fat-soluble vitamins

d)

water-soluble vitamins

46.

Potassium is the main positively charged ion outside the cells, while sodium is the main negatively charged ion inside the cells.

a)

true

b)

false

47.

Following the Dietary Guidelines for Americans is the best way to ensure a healthy balanced diet.

a)

true

b)

false

48.

Magnesium must be available before energy can be released for muscle contractions.

a)

true

b)

false

49.

Which of the following will provide a similar amount of calcium as that provided by a cup of milk?

a)

1/2 c yogurt.

b)

1 c collard greens.

c)

1.5 oz cheese.

d)

1 1/2 c cottage cheese.

50.

All the following are B vitamins except ____.

a)

choline

b)

niacin

c)

pantothenic acid

d)

thiamin