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year 9a biology quiz

Total questions: 171

Worksheet time: 2hrs 45mins

Name
Class
Date
1.

In mammals blood contains...

a)

Plasma, white blood cells and sperm cells.

b)

White blood cells, red bloo cells and sperm cells.

c)

Liver cells, plasma and red blood cells

d)

Red blood cells, plasma and white blood cells

2.

State the missing word.


In mammals, blood transports nutrients, (a)   and carbon dioxide.

3.

Which body system are white blood cells a part of?

a)

Circulatory system

b)

Respiratory system

c)

Immune system

d)

Reproductive system

4.

State the missing term.


(a)   are disease-causing micro-organisms e.g. bacteria, viruses, fungi.

5.

How lymphocytes destroy bacteria?

a)

Carry out phagocytosis

b)

Produce antibodies

c)

Inject the bacteria with a virus

d)

Remove water from the cell.

6.

How phagocytes destroy bacteria?

a)

Carry out phagocytosis

b)

Produce antibodies

c)

Inject the bacteria with a virus

d)

Remove water from the cell.

7.

Which of the following produce antibodies?

a)

Blood plasma

b)

Lymphocytes

c)

Phagocytes

d)

Red blood cells

8.

Phagocytosis is when....

a)

lymphocytes are engulfed and digested by phagoctyes.

b)

phagocytes are engulfed and digested by pathogens.

c)

pathogens are engulfed and digested by phagoctyes.

d)

pathogens are engulfed and digested by lymphocytes.

9.

What are antibodies?

a)

fat molecules produced by lymphocytes that attach to and destroy pathogens

b)

fat molecules produced by phagocytes that attach to and destroy pathogens

c)

protein molecules produced by phagocytes that attach to and destroy pathogens

d)

protein molecules produced by lymphocytes that attach to and destroy pathogens

10.

Which statement about antibodies is correct.

a)

Each antibody can destroy many pathogens.

b)

Each antibody is specific to a particular pathogen.

c)

Each antibody is specific to a many pathogens.

d)

Antibodies are unspecific.

11.

Identify which image shows the process of phagocytosis.

a)
b)
c)
d)
12.

Identify which image shows antibodies in action.

a)
b)
c)
d)
13.

How do we call the liquid component of the blood?

a)

plasma

b)

red blood cells

c)

white blood cells

d)

platelets

e)

water

14.

Which component of blood carries oxygen (O2)?

a)

plasma

b)

red blood cells

c)

white blood cells

d)

platelets

e)

water

15.

Which component of blood allows clotting in order to stop bleeding?

a)

plasma

b)

red blood cells

c)

white blood cells

d)

platelets

e)

water

16.

Which component of blood helps fight infections (viruses or bacteria)?

a)

plasma

b)

red blood cells

c)

white blood cells

d)

platelets

e)

water

17.

Which of the following could give blood to a person who is type B+? (more than one answer)

a)

A+

b)

AB+

c)

B-

d)

O-

e)

O+

18.

Which of the following could give blood to a person who is type AB-? (more than one answer)

a)

A-

b)

AB+

c)

B-

d)

O-

e)

O+

19.

What proportion (%) of the blood is composed of plasma?

a)

45%

b)

55%

c)

35%

d)

100%

e)

10%

20.

Which component of blood is responsible for the transport of nutrients, cellular waste, hormones, etc?

a)

red blood cells

b)

white blood cells

c)

plasma

d)

platelets

e)

blood type

21.

What is the name of the protein contained in red blood cells that allows it to carry oxygen (O2)?

a)

hemoglobin

b)

hormone

c)

blood type

d)

coagulation

e)

antibodiy

22.

If a person is of blood type B+, which blood types can she receive blood from? (more than one answer)

a)

B-

b)

AB-

c)

O+

d)

B+

e)

O-

23.
The main purpose of Red Blood Cells is to 
a)
carry gases, wastes, and nutrients
b)
attack and destroy pathogens
c)
clot the blood
d)
digest food
24.
What part of blood carries hemoglobin?
a)
Red blood cells
b)
Plasma
c)
Platlets
d)
White blood cells
25.
The lack of sufficient red blood cells in the blood system is called
a)
cyanosis
b)
anemia
c)
hemochromatosis
d)
hypoxia
26.
What is the function of hemoglobin?
a)
to carry iron
b)
to carry wastes
c)
to carry oxygen
d)
to produce oxygen
27.
Another name for white blood cells is
a)
erythrocytes
b)
plasmocytes
c)
leukocytes
d)
thrombocytes
28.
Which of the following is not a primary function of blood?
a)
help fight disease
b)
transports nutrients, oxygen, wastes, and hormones
c)
to provide structure 
d)
distributes heat
29.
Blood is classified as ___ tissue.
a)
connective
b)
circulatory
c)
epithelial
d)
muscular
30.
Blood becomes bright red in color because of the
a)
amount of folic acid present
b)
amount of hemoglobin present
c)
amount of oxygen present
d)
amount of iron present
31.
Sickle cell anemia is caused by 
a)
a lack of red blood cells
b)
a genetic abnormality in the amino acids
c)
lack of available oxygen
d)
too much iron in the circulatory system
32.
The shape of the RBC allows for a greater surface area so the cell can
a)
fit through capillaries easily
b)
exchange gasses more quickly
c)
hold additional hemoglobin
d)
reproduce quicker
33.
Where does hematopoiesis take place, producing new RBCs?
a)
red bone marrow
b)
yellow bone marrow
c)
synovial membrane
d)
articular cartilage
34.
The three steps of hemostasis are:
1. vascular spasm
2. ___________
3. coagulation
a)
platelet plug formation
b)
agglutination
c)
dilation
d)
erythropoieten formation
35.
Red blood cells are
a)
thrombocytes
b)
neutrophils
c)
monocytes
d)
erthryocytes
36.
The liquid portion of the blood is
a)
leukocytes
b)
erthryocytes
c)
plasma
d)
thrombin
37.
What part of blood is responsible for fighting infections?
a)
Red Blood Cells
b)
White Blood Cells
c)
Platelets
d)
Plasma
38.
The process of stopping bleeding
a)
homeostasis
b)
hemostasis
c)
phagocytosis
d)
dermatographia
39.

Bile juice helps in the digestion of fat because it contains

a)

enzymes

b)

vitamins

c)

bile salts

d)

bile pigments

40.

The stomach wall produces mucus to cover its surface. Which of the following statements correctly describe(s) the function of the mucus?

(1) It kills the bacteria in the ingested food.

(2) It prevents the rubbing of food against the stomach wall.

(3) It protects the stomach wall from the action of the digestive enzymes.

a)

(1) only

b)

(3) only

c)

(1) and (2) only

d)

(2) and (3) only

41.

In the alimentary canal, most water is absorbed in the

a)

oesophagus

b)

stomach

c)

small intestine

d)

colon

42.

In the alimentary canal, bacteria in food are mainly killed by

a)

saliva

b)

mucus

c)

gastric juice

d)

pancreatic juice

43.

The liver is said to be a digestive gland because it

a)

converts stored glycogen into glucose

b)

breaks down excess amino acids

c)

produces bile

d)

stores iron

44.

Protein digestion occurs mainly in

a)

1 and 3

b)

2 and 3

c)

2 and 5

d)

3 and 5

45.

Bile is a digestive juice in our body. Which of the following statements about bile is correct?

a)

It is produced by the gall bladder.

b)

It contains an enzyme that digests fat.

c)

It helps break down fat into droplets.

d)

It stimulates peristaltic movement of the small intestine.

46.

Chemical digestion of carbohydrate occurs in

a)

1 and 2 only

b)

1 and 4 only

c)

2 and 3 only

d)

3 and 4 only

47.

Peristalsis occurs in

a)

1, 2 and 3 only

b)

1, 2 and 4 only

c)

1, 3 and 4 only

d)

2, 3 and 4 only

48.

Which structure(s) will produce the enzyme(s) needed for the digestion of egg white?

a)

X only

b)

X and Y only

c)

Y and Z only

d)

X, Y and Z

49.

Physical digestion takes place at

a)

1 and 3

b)

1 and 4

c)

3 and 4

d)

1, 3 and 4

50.

Which of the following organs produces digestive juice that does not contain enzymes?

a)

liver

b)

mouth

c)

stomach

d)

pancreas

51.

Amylase is secreted by

a)

salivary glands only

b)

pancreatic glands only

c)

Salivary and pancreatic glands

d)

liver and small intestine

52.

Protein digestion takes place

a)

in the mouth

b)

in the stomach

c)

in the stomach and duodenum

d)

all of the above

53.

Waves of contractions that move food one way through the digestive system are called

a)

Impulse

b)

Peristalsis

c)

Action Potential

d)

Metabolism

54.
This is the enzyme that works on protein.
a)
pepsin
b)
HCl
c)
Bicarbonate
d)
Lactase
55.

In which order do these events occur in human nutrition? *2014 Q25

a)

digestion-ingestion-absorption-assimilation

b)

digestion-ingestion-assimilation-absorption

c)

ingestion-digestion-absorption-assimilation

d)

ingestion-digestion-assimilation-absorption

56.

What is the function of the gall bladder? *2015 Q26

a)

absorption of fat

b)

digestion of fat

c)

production of bile

d)

storage of bile

57.

Hydrochloric acid is secreted in the _______________ .

a)

oesophagus

b)

stomach

c)

large intestine

d)

small intestine

58.

Which of the following is the correct order for the major parts of the gastrointestinal tract?

a)

oesophagus, stomach, large intestine, small intestine, mouth

b)

mouth, stomach, oesophagus, large intestine, small intestine

c)

mouth, small intestine, stomach, oesophagus, large intestine

d)

mouth, oesophagus, stomach, small intestine, large intestine

59.

protein help the body making new cell.:h

a)

Nahh

b)

false

c)

True

d)

Idk

60.

what group of foods/food contain a lot of fibre?

a)

Vegetables 🌽

b)

Milk

c)

meat

d)

Bean

61.

if we don’t have enough vitamin C, what will happen

a)

nothing at all :))))

b)

Scruvy

c)

Anaemia

d)

the teeth will become weaker

62.

What is the other end of the ALMENTARY TUBE called?

a)

Mouth

b)

Anus

c)

Intestine(large)

d)

appendix

63.

Which picture belows showing a molar teeth?

a)

there is nothing call molar.

b)
c)
d)
64.

Which tooth are using to crushing and grinding food?

a)
b)
c)
d)
65.

What is true about enzymes

a)

Enzymes are catalyst.

b)

Enzymes can only use once in a chemical reaction

c)

Enzymes are made of lipids

d)

Enzymes slow down the process of breaking food.

66.

What is a deficiency disease?

a)

a disease caused by the lack of some essential or important element in the diet, usually a particular vitamin or mineral.

b)

occurs when an artery in your brain is blocked or leaks. This causes the oxygen-deprived brain cells to begin dying within minutes.

c)

having a heart attack immediately .

d)

Actually, it is eficciency disease :>>>>>>>>>>>>>>>>>>>>>>>>>

67.

what is a balance diet?

a)
b)
c)
d)

idk

68.

Amylase is secreted by

a)

salivary glands only

b)

pancreatic glands only

c)

Salivary and pancreatic glands

d)

liver and small intestine

69.

Protein digestion takes place

a)

in the mouth

b)

in the stomach

c)

in the stomach and duodenum

d)

all of the above

70.

Bile is produced by the

a)

Liver

b)

Pancreas

c)

Small Intestine

d)

Large Intestine

71.

The protective substance that lines the stomach is called

a)

Mucus

b)

Saliva

c)

Pepsin

d)

Trypsin

72.

Waves of contractions that move food one way through the digestive system are called

a)

Impulse

b)

Peristalsis

c)

Action Potential

d)

Metabolism

73.

Most nutrient absorption occurs in the ________________ .

a)

mouth

b)

stomach

c)

large intestines

d)

small intestines

74.
This is the enzyme that works on protein.
a)
pepsin
b)
HCl
c)
Bicarbonate
d)
Lactase
75.
This is the enzyme that breaks down the sugar lactose in your small intestine.
a)
pepsin
b)
HCl
c)
Bicarbonate
d)
Lactase
76.

Which of these increase does not allow the ileum to be adapted for absorption

a)

large surface area

b)

richly supplied with blood capillaries and lymphatic capillaries

c)

ileum is one cell thick

d)

long

77.

In which order do these events occur in human nutrition? *2014 Q25

a)

digestion-ingestion-absorption-assimilation

b)

digestion-ingestion-assimilation-absorption

c)

ingestion-digestion-absorption-assimilation

d)

ingestion-digestion-assimilation-absorption

78.

What is the function of the gall bladder? *2015 Q26

a)

absorption of fat

b)

digestion of fat

c)

production of bile

d)

storage of bile

79.

The diagrams represent molecules of starch, protein and fat.


Which of the following mixtures of molecules will be found in the stomach?

a)
b)
c)
d)
80.

The diagram shows the structure of a villus in the small intestine. The arrows show the direction of the flow of fluids. Where will fatty acids and glycerol be present in the largest amount?

a)

A

b)

B

c)

C

d)

D

81.
Tube that carries swallowed food to the stomach
a)
esophagus
b)
liver
c)
pancreas
d)
rectum
82.
Saliva contains this enzyme to start the digestive process.
a)
spit
b)
amylase
c)
hydrochloric acid
d)
sodium bicarbonate
83.
Bile is made by which digestive organ?
a)
Gallbladder
b)
Stomach
c)
Rectum
d)
Liver
84.

Which of these stages of digestion includes a chemical change?

a)

peristalsis

b)

chewing

c)

saliva

d)

large intestine

85.

First section of the small intestine responsible for continued digestion.

a)

duodenum

b)

ileium

c)

pancreas

d)

rectum

86.

Hydrochloric acid is secreted in the _______________ .

a)

oesophagus

b)

stomach

c)

large intestine

d)

small intestine

87.
What is D?
a)
pancreas
b)
gall bladder
c)
liver
d)
large intestine
88.

What is the main purpose of the small intestine?

a)

nutrients get absorbed into the blood/lacteal

b)

bile is produced

c)

water is removed

d)

nutrients are assimilated

89.
Peristalsis refers to
a)
one of the digestive organs
b)
the action of the stomach
c)
heart rate increasing
d)
smooth muscles moving food through the digestive system
90.

Which of the following is the correct order for the major parts of the gastrointestinal tract?

a)

oesophagus, stomach, large intestine, small intestine, mouth

b)

mouth, stomach, oesophagus, large intestine, small intestine

c)

mouth, small intestine, stomach, oesophagus, large intestine

d)

mouth, oesophagus, stomach, small intestine, large intestine

91.

Which of the following converts starch into maltose?

a)

maltase

b)

lactase

c)

sucrase

d)

salivary amylase

92.

Protein is broken down into ______________ before they are asborbed into the small intestines.

a)

fatty acids

b)

amino acids

c)

citric acid

d)

hydrochiloric

93.
Secretes enzymes
a)
Pancreas
b)
Small Intestine
c)
Urethra
d)
Ureters
94.

The villi provides a surface area for the absorption of nutrients into the bloodstream.

a)

True

b)

False

95.
What is H?
a)
pancreas
b)
small intestine
c)
liver
d)
large intestine
96.
Which of the following describes ONE function of the stomach?
a)
To temporarily store food
b)
To remove excess water from food
c)
To introduce carbohydrates to food
d)
Produces bile to make fats easier to digest
97.
Which organ in the digestive system absorbs the most water from food?
a)
esophagus
b)
small intestine
c)
large intestine
d)
stomach
98.

What type of digestion involves the actual breaking apart of the food by our teeth, tongue, or muscles?

a)

chemical digestion

b)

diffusion

c)

mechanical digestion

d)

peristalsis

99.

____________ in the pancreatic and intestinal juice completes the digestion of fats.

a)

Amylase

b)

Renin

c)

Pepsin

d)

Lipase

100.
Fingerlike extensions of the small intestine that increase the surface area for absorption
a)
bronchi
b)
alvioli
c)
villi
d)
chyme
101.

After this quiz I'm feeling...

a)

HECK YEAH!... Super confident!

b)

Mostly confident

c)

Meh - I'll do OK

d)

Oh dear...

e)

WHAT WAS THAT?!?! ...Did we talk about this?

102.
First section of the small intestine
a)
Duodenum
b)
ileium
c)
jejunum
d)
rectum
103.
The last section of the large intestine
a)
cecum 
b)
rectum
c)
sigmoid
d)
ileum
104.
The portion of the large intestine located between the descending colon and the rectum.
a)
sigmoid
b)
ileum
c)
cecum
d)
duodenum
105.
Produces insulin and enzymes to help digest food
a)
liver
b)
pancreas
c)
gallbladder
d)
esophagus
106.
Stores bile
a)
pancreas
b)
liver
c)
stomach 
d)
gallbladder
107.
Tube that carries swallowed food to the stomach
a)
esophagus
b)
liver
c)
pancreas
d)
rectum
108.
Produces bile
a)
gallbladder
b)
stomach
c)
liver
d)
small intestine
109.
Food is broken down to supply energy for your body in the ____________
a)
digestive system
b)
endocrine system
c)
excretory system
d)
reproductive system
110.
The organ in orange represents the:
a)
Liver
b)
Lung
c)
Stomach
d)
Pancreas
111.
Breaking food down with the use of enzymes is known as:
a)
Chemical Digestion
b)
Physical Digestion
112.
The part of the digestive system which is highlighted represents:
a)
Esophagus
b)
Small intestine
c)
Stomach
d)
Trachea
113.
The highlighted organ is the
a)
liver
b)
large intestine
c)
small intestine
d)
stomach
114.
Saliva contains this enzyme to start the digestive process.
a)
spit
b)
amylase
c)
hydrochloric acid
d)
sodium bicarbonate
115.
The acid in your stomach used for digestion.
a)
sodium bicarbonate
b)
insulin
c)
hydrochloric
d)
amylase
116.
The organ that stores bile.
a)
gall bladder
b)
stomach
c)
liver
d)
appendix
117.

All enzymes are what?

a)

Hormones

b)

Fats

c)

Carbohydrates

d)

Proteins

118.

This disease is caused by taking in too much energy

a)

Rickets

b)

Diabetes

c)

Obesity

d)

Scurvey

119.

Which of the following is a complex carbohydrate?

a)

Glucose

b)

Starch

c)

Lactose

d)

Protein

120.

Which of the following is a positive test for Fats?

a)
b)
c)
d)
121.

Which of the following is a positive test for starch

a)
b)
c)
d)
122.

Which of the following is a positive test for Protein

a)
b)
c)
d)
123.

Which test is the Benedict's test?

a)
b)
c)
d)
124.

Energy released in Joules = mass of water (g) x rise in temperature x ?

a)

42

b)

4.5

c)

42.2

d)

4.2

125.

Part A is the ?

a)

Enzyme

b)

Active site

c)

substrate

d)

Active sight

126.

Part B is the?

a)

Substarte

b)

Substrate

c)

Active site

d)

enzyme

127.

Part C is the?

a)

Amylase

b)

Eznyme

c)

Substrate

d)

Enzyme

128.

What type of energy increases as temperature is increased?

a)

Chemical

b)

Frenetic

c)

Kinetic

d)

Potential

129.

What is the substrate for Amylase

a)

Starch

b)

Glycogen

c)

Cellulose

d)

Protein

130.

The shape of the substrate and the active site are said to be what to each other?

a)

Friendly

b)

Complimentary

c)

Diametrically opposed

d)

Complementary

131.

The above diagram represents the what theory?

a)

Lock and door

b)

Key and door

c)

Lock and Key

d)

Lock and keyring

132.

Lipase breaks Fats into what?

a)

Amino acids

b)

Sugars

c)

Fatty glycerol and acids

d)

Fatty acids and glycerol

133.

The ideal temperature for an enzyme to work at is called the what?

a)

Optimus

b)

Optomitrist

c)

Oculus

d)

Optimum

134.

The main function of the Ileum is what?

a)

Absorption

b)

Digestion

c)

Peristalsis

d)

Defecation

135.

Which of the structures below increases surface area?

a)
b)
c)
d)
136.

What is the name of the special structures seen in the previous that increase the surface area of the Ileum?

a)

Elvis

b)

Pilli

c)

Villian

d)

Villi

137.

Which of the following tests for starch?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Ethanol

138.

Which of the following tests for protein?

a)

Iodine

b)

Benedicts

c)

Biuret

d)

Ethanol

139.

When protein is present Biuret turns...

a)

purple

b)

blue-black

c)

orange

d)

blue

140.

When reducing sugar (glucose) is present Benedict's turns...

a)

purple

b)

blue-black

c)

brick-red

d)

green

141.

In a negative test for starch, what colour will iodine be?

a)

yellow-brown

b)

blue

c)

black

d)

blue-black

142.

A negative test for glucose will cause Benedicts to stay...

a)

brick red

b)

blue

c)

black

d)

yellow

143.

If you drop iodine on bread, it changes to Black colour. What does this show?

a)

Bread contains protein

b)

Bread contains sugar

c)

Bread contains starch

d)

Bread contains lipids?

144.

How do you test for lipids?

a)

By using Ethanol and water

b)

By using Benedicts solution

c)

By using Iodine

d)

By using Biuret test

145.

Which food test requires heat?

a)

Reducing sugar (glucose)

b)

Protein

c)

Fat

d)

Starch

146.

How do you test for lipids?

a)

By using Ethanol

b)

By using Benedicts solution

c)

By using Iodine

d)

By using Biuret test

147.

When finding the energy (in kJ per gram) from burning food select all information which is necessary

a)

the volume of water heated

b)

the rise in water temperature

c)

the mass of food burned

d)

the time the food burns

148.

Select all reasons why this apparatus will not give an accurate value for the amount of energy in the food.

a)

some energy is converted to heat

b)

some energy is converted to light

c)

energy is lost in heating up the air

d)

the food will burn up too well

149.

This photo represents a

a)

negative test for glucose

b)

negative test for protein

c)

positive test for starch

d)

positive test for glucose

150.

The test tubes in the photo represent a negative and positive result for

a)

Benedict's with glucose

b)

Biuret with protein

c)

Iodine with starch

d)

Ethanol with fat

151.

Both test tubes contain a substance which has been shaken with ethanol. Select all TRUE statements below

a)

Both test tubes contain fat

b)

One test tube contains protein

c)

Neither test tube contains fat

d)

The right hand test tube contains fat

152.

10 grams of sugar was burned and used to heat 25 cm3 of water. The water temperature rose by 15 degrees celsius. The number of Joules released is calculated by:

Temp rise x 4.2 x Mass of water

so the energy released is:

a)

1050 J

b)

1575 kJ

c)

1.050 kJ

d)

1575 J

153.

This is a calorimeter used to determine the amount of energy in food. Which part of the apparatus ensures the food burns completely?

a)

insulating jacket

b)

oxygen supply

c)

stirrer

d)

thermometer

154.

Which test tube shows the correct result for Benedict's test on fats?

a)
b)
c)
d)
155.
Define the term 'balanced diet'.
a)
A diet containing some nutrients in the correct proportions.
b)
A diet containing most nutrients in the correct proportions.
c)
A diet containing none nutrients in the correct proportions.
d)
A diet containing all nutrients in the correct proportions.
156.
Taller and bigger people need ______________ energy than shorter and smaller people.
a)
same
b)
more
c)
equal
d)
less
157.

_________________ is necessary to building maintenance and repair of body tissue.

a)

sugar

b)

protein

c)

salt

d)

oil

158.

The best protein choice would be?

a)

onion rings

b)

grains

c)

chicken

d)

hormones

159.

The first principal of a healthy diet is?

a)

focus on just one food

b)

take in lots of lean meat

c)

eat only green vegetables

d)

eat a wide variety of foods

160.
Jerry wants to build up his muscles, which food group intake he should increase ? 
a)
Carbohydrates
b)
Fats
c)
Proteins
d)
vitamins
161.
If you don't eat enough fibre you may become
a)
dehydrated
b)
ill
c)
fat
d)
constipated
162.

Fruit and vegetables are a good source of ?

a)

Vitamins

b)

Minerals

c)

Both of the above

163.

Which of the following foods is a good source of carbohydrates?

a)
b)
c)
d)
164.

What group do these foods belong to?

a)

Sugars and Fat

b)

Dairy

c)

Carbohydrates

d)

Proteins

165.

Eating too much sugary food causes,

a)

Tooth decay

b)

High on energy

c)

Health probems like diabetes, heart problems and cancer.

d)

All of the above

166.

Which of these foods belong to food group of Dairy?

a)
b)
c)
d)
167.

What does the body use carbohydrates for?

a)

Carbohydrates enable the tranport of essential nutrients in the body.

b)

Carbohydrates improve digestion.

c)

Carbohydrates are used by the body for growth.

d)

Carbohydrates provide the body with a source of energy.

168.

Which of the following statements is true?

a)

A balanced diet should not include anything sweet.

b)

Pasta and vegetables are enough to provide a balanced diet.

c)

A balanced diet must include carbohydrates, fats, proteins, minerals, vitamins, water and fibre.

d)

A balanced diet should not include any fats.

169.
Elements essential for good health. e.g. Calcium, Iron, Potassium 
a)
Protein
b)
Fat
c)
Minerals
d)
Carbohydrates
170.
The body uses this to carry nutrients and waste. It also helps joints move smoothly.
a)
Fat
b)
Water
c)
Minerals
d)
Vitamin 
171.
The process of breaking down food into a form the body can use.
a)
Diet
b)
Metabolism
c)
Calories
d)
Digestion

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