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year 9 term 2 chemistry and bio revision

Total questions: 56

Worksheet time: 39mins

Name
Class
Date
1.
_______ Is any condition that interferes with the proper functioning of the body or mind
a)
disease
b)
infection
c)
pathogen
2.
________ is a disease that can be passed to a person from another person, animal or object.
a)
Non-communicable disase
b)
Communicable Disease
c)
Pathogens
3.

________ are disease-causing organisms that are so small you need a microscope to see them. Think "fancy word for germs".

a)

Virus

b)

Disease

c)

Communicable

d)

Pathogen

4.
A doctor would most likely prescribe an antibiotic to treat what type of pathogen?
a)
Fungi
b)
Helminth
c)
Virus
d)
Bacteria
5.
Mosquitoes and Ticks are examples of organisms that can spread disease.  These types of organisms are refereed to as?
a)
Vectors
b)
Fungi
c)
Pathogens
6.
Washing your hands is the _________ effective strategy for preventing the spread of disease?
a)
least
b)
most
7.
The ________ is the first line of defense.
a)
eyes
b)
stomach
c)
t-cells
d)
skin
8.
Cancer, Hypertension, and Asthma are examples of what types of disease?
a)
Non-communicable
b)
Communicable
9.
Athlete's foot is an example of this pathogen
a)
Bacteria
b)
Virus
c)
Fungus
d)
Protozoan
10.

A disease that is not transmitted by another person, or a vector, or from the environment.

a)

Angina

b)

Astherosclerosis

c)

Cardiovascular disease

d)

Non-communicable disease

11.

A disease that affects the heart, blood, or blood vessels.

a)

Angina

b)

Arrythmias

c)

Astherosclerosis

d)

Cardiovascular Disease

12.

It can be lowered with medication, weight management, physical activity, and proper nutrition

a)

Angina

b)

Arrythmias

c)

Astherosclerosis

d)

Hypertension

13.

It caused by blockages of arteries, damage to the heart muscle.

a)

Cancer

b)

Heart attack

c)

Stroke

d)

Tumor

14.

The arterial blockage that disrupts the flow of blood in the brain.

a)

Cancer

b)

Heart Attack

c)

Stroke

d)

Tumor

15.

A group of diseases characterized by an uncontrollable growth and spread of abnormal cells.

a)

Cancer

b)

Heart Attack

c)

Stroke

d)

Tumor

16.

A disease characterized by the abnormal production of insulin.

a)

Cancer

b)

Gestational

c)

Diabetic

d)

Diabetes

17.

The following diseases are attributable to obesity :

a)

Coronary diseases

b)

Chickenpox

c)

Sleep apnea

d)

Diabetes

18.

What can reduce the risks of becoming obese?

a)

Not eating out

b)

Sports

c)

Preparing healthy meals

d)

Apps on smartphones help you track your amount of calories

19.

What is the primary cause of obesity according to the introduction?

a)

Lack of sleep

b)

Excessive body fat

c)

Physical inactivity

d)

High protein intake

20.

What BMI range is considered overweight?

a)

18.5 - 24.9

b)

25 - 29.9

c)

30 - 34.9

d)

35 - 39.9

21.

Which factor does NOT directly contribute to obesity?

a)

Emotional eating

b)

Family history

c)

Active lifestyle

d)

Lack of sleep

22.

What health problem is commonly associated with obesity and causes breathing difficulties?

a)

Asthma

b)

Heart disease

c)

Diabetes

d)

High blood pressure

23.
True or False, Obesity is defined as having excess body fat?
a)
True
b)
False
24.
Having too much sugar in your blood is called what . . . 
a)
Heart Attack
b)
Obesity
c)
Diabetes
d)
Sugar Attack
25.
BMI stands for:
a)
Body Medical Imaging
b)
Be Motivated Internally
c)
Body Mass Internally
d)
Body Mass Index
26.
A person is considered obese with a BMI of:
a)
BMI of 35 or higher
b)
BMI of 25 or higher
c)
BMI of 40 or higher
d)
BMI of 30 or higher
27.
What is considered a normal BMI (Body Mass Index)?
a)
A BMI of less than 18.5 kg/m² 
b)
A BMI between 18.5 and 25 kg/m²
c)
A BMI between 25 kg/m² and 29.9 kg/m² 
28.

How do you calculate your BMI?

a)

height/weight

b)

weight/height

c)

body fat percentage/weight

d)

body fat percentage/height

29.

Calculate the BMI for a person who is 5'9'' and weighs 190lbs

a)

28

b)

38

c)

30

d)

26

30.

Heart Attack, Stroke & Atherosclerosis are examples of?

a)

Respiratory Diseases

b)

Cardiovascular Diseases (CVD)

c)

Cholesterol

d)

Hypertension

31.

What are risk factors of cardiovascular disease?

a)

Smoking, work, sexual activity

b)

Poor diet, poor hygiene, stress

c)

Friends, family history, smoking

d)

Air quality, work, stress

32.

What is cardiovascular disease?

a)

A condition that affects your heart

b)

Heart disease

c)

Range of conditions that affect your heart

d)

Broken heart

33.

What is filtration used for?

a)

It's used for making salt crystals

b)

It's used for separating a liquid from a solid that cannot disolve

c)

all of the above

d)

none of the above

34.

Which one of the following solids is insoluble (does NOT dissolve) in water?

a)
sugar
b)
sand
c)
copper sulfate
d)
salt
35.

I am left behind in the filter paper. What Am I?

a)

Filtrate

b)

Solution

c)

Residue

d)

Mixture

36.

The part of the mixture that passes through the filter paper is called the

a)

residue

b)

filtrate

c)

suspension

d)

mixture

37.

Water in rivers is safe to drink.

a)

True

b)

False

38.

How will you separate sand from water?

a)

Sieving

b)

Filtration

c)

Evaporation and crystallisation

d)

Hand picking

39.

The ___ is the thing being dissolved.

a)

solute

b)

solvent

c)

mixture

d)

solution

40.

What is a solvent

a)

A liquid that will dissolve a solid solute

b)

Another word for solution

c)

A thing that make drinks change colour

d)

Usually the solid about to be dissolved

41.

Define the term soluble.

a)

Can dissolve

b)

Cannot dissolve

c)

Partially dissolves

d)

Melts

42.

Define the term insoluble.

a)

Can dissolve in water.

b)

Cannot dissolve in water.

c)

Partially dissolves in water.

d)

Liquid that dissolves something else

43.

A compound is a substance made up of ___________ different ________ which are chemically bonded together.

a)

two or more

b)

non-metals

c)

elements

d)

one or more

e)

metals

44.

Distillation is made up of ___.

a)

evaporation, then condensation

b)

condensation, then evaporation

c)

boiling, then condensation

d)

condensation, then boiling

45.

What is 5?

a)

cooling tube

b)

condenser

c)

distillate

d)

water pump

46.

What is 6 and 7?

a)

6: water in / 7: water out

b)

6: water out / 7: water in

47.

What is labelled X in this experiment?

a)

Evaporating basin

b)

Solvent vapour

c)

Solution

d)

Bunsen burner

48.
Name the separation method that causes wet clothes on a clothes line to dry
a)
Chromatography
b)
Filtration
c)
Distillation
d)
Evaporation
49.
What is the boiling point of water?
a)
0oC
b)
100oC
c)
80oC
d)
95oC
50.
Water and alcohol are easily separated by distillation because of their
a)
different densities
b)
different boiling points
c)
different colours
d)
different melting points
51.

Ink can be separated by a method of -----------------------------------------------

a)

distillation

b)

filtration

c)

chromatography

d)

sedimentation

52.
chromatography separates the mixture of dyes on the basis of their ----------------------------
a)
density
b)
solubility
c)
gravity
d)
boiling point
53.

A pure substance shows ------------------ spot on chromatogram

a)

0

b)

1

c)

2

d)

3

54.

A substance is soluble if it can be dissolved.


In paper chromatography, the most soluble solute _____________________ .

a)

does not move from the start point

b)

stays closest to the start point

c)

travels furthest away from the start point

d)

can be found in the middle of the chromatogram

55.

Two or more substances that are mixed together but not chemically combined create a...

a)

solvent

b)

compound

c)

mixture

56.
Why must the base line be drawn in pencil and not pen?
a)
a) Pencil is good at keeping substances in place.
b)
b) Pencil is soluble in water
c)
c) Pencil is insoluble in water
d)
d) Pencil is not coloured

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