CIDESCO FINAL EXAM LATEST REAL EXAM 200
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) |AGRADE
I Biological and non-biological substances both need oxygen for their existence. II
The human body consists only of biological substances. - ANSWER: I is correct and II
is incorrect
Characteristics of life include: - ANSWER: growth and metabolism
Examples of synthetic substances are: - ANSWER: plastics and silicones
Examples of organic biological substances are: - ANSWER: carbohydrates and fats
Examples of mineral substances are: - ANSWER: paraffins and petroleum
Matter is everything that: - ANSWER: occupies space and has weight
The three forms of matter are solids, liquids and: - ANSWER: gases
What property does all matter have? - ANSWER: All matter has weight
Condensation is the change of matter from: - ANSWER: a gas to a liquid
Vapourisation is the change of matter from: - ANSWER: liquid to a gas
Melting is the change of matter from: - ANSWER: a solid to a liquid
Sublimation is the change of matter from: - ANSWER: a solid to a gas
Condensation is: - ANSWER: the change of a vapour to a liquid
The alteration of the properties of matter without the formation of any new
substance is called a/an: - ANSWER: physical change
The immediate change of a solid into a vapour is called: - ANSWER: sublimation
An example of a single-celled cellular organism is: - ANSWER: a bacterium
I. A micro-organism is the smallest part of the human body. II All micro-organisms
need nutrients for their existence. - ANSWER: I is incorrect and II is correct
Examples of bacteria are: - ANSWER: bacilli and cocci
,I. Every living organism needs some non-biological substances for it's existence. II. All
non-biological substances are found as minerals in the earth. - ANSWER: I is correct
and II is incorrect
Science deals mainly with: - ANSWER: physics and chemistry
The study of the structure of the body is called: - ANSWER: anatomy
The study of the functions of living organisms is: - ANSWER: physiology
I Anatomy is a very important science in the field of biology. II Anatomy is the
science which deals with the functions of the human body. - ANSWER: I is correct
and II is incorrect
I Physiology is a very important science in the field of biology. II Physiology is the
science which deals with the functions of the body. - ANSWER: I and II are both
correct
Which one of the following belongs to the science of chemistry? - ANSWER: The
alteration of the structure of molecules
I Chemical reactions only take place outside and not inside a living organism. II The
structure of molecules change during chemical reactions. - ANSWER: I is incorrect
and II is correct
The field of physics includes: - ANSWER: heat and electricity
Which one of the following belongs to the field of physics? - ANSWER: Sound,
electricity and heat
The field of physics includes: - ANSWER: the science of electricity
An anion is: - ANSWER: A negatively charged atom
An anion is: - ANSWER: a negatively charged chloride atom (CI-)
A cation is: - ANSWER: A positively charged sodium atom (Na+)
An electrolyte is: - ANSWER: A substance which, dissolved in water, splits into ions
Examples of electrolytes are: - ANSWER: acids and salts
An example of an electrolyte is: - ANSWER: salt-solution
An acid is an electrolyte because: - ANSWER: it can conduct an electric current
An example of an inorganic acid is: - ANSWER: sulphuric acid
,An alkali must contain: - ANSWER: metal atoms and hydroxyl group(s) (OH)
An example of an alkaline substance is: - ANSWER: soap
If a metal-oxide is dissolved in water it forms: - ANSWER: an alkali
The pH scale is used to measure the degree of acidity or: - ANSWER: alkalinity
pH can be decreased by: - ANSWER: increasing hydrogen-ions
The letter p in pH means: - ANSWER: potential
pH is: - ANSWER: the number of free H-ions in solution
If the pH of a solution is between 5 and 7, the solution is a: - ANSWER: weak acid
If the pH of a solution is between 1 and 3 the solution is a: - ANSWER: strong acid
If the pH of a solution is between 7 and 9 the solution is a: - ANSWER: weak alkali
If the pH of a solution is between 12 and 14 the solution is: - ANSWER: strong alkali
The pH of distilled water is: - ANSWER: 7
Lemon juice, with a pH reading of about 2, is considered to be: - ANSWER: acid
Pure water, with a pH of 7, is considered to be: - ANSWER: neutral
Substances having a pH value above 9.5 are considered to be: - ANSWER: alkaline
The pH of the skin's acid mantle is: - ANSWER: 5.5
A characteristic of a weak acid is that it: - ANSWER: supports the natural pH of the
skin
A characteristic of a weak alkali is that it: - ANSWER: softens the stratum corneum of
the skin
The effect of a strong acid is: - ANSWER: corrosive and therefore of no use in beauty
therapy
A characteristic of organic acids is that: - ANSWER: they contain the element carbon
(C)
Organic acids are found in: - ANSWER: sebum and plants
, An organic acid contains the chemical-group: - ANSWER: COOH
An anode is: - ANSWER: A positively charged electrode
A cathode is: - ANSWER: A negatively charged electrode
Examples of electrodes which are used in beauty therapy are: - ANSWER: the needles
used for galvanic electrolysis
In physics, radiation means: - ANSWER: the electro-magnectic waves in space system
The unit of frequency is: - ANSWER: Hertz
In physics, frequency means: - ANSWER: the number of times per second an electro-
magnetic-wave can change direction
The unit of frequency is: - ANSWER: Hertz
Hertz is a unit of: - ANSWER: frequency
In the visible spectrum the colours in the correct order are: - ANSWER: red, orange,
yellow and green
In the visible spectrum the colours in the correct order are: - ANSWER: green, blue,
indigo and violet
Invisible rays which can be used in beauty therapy are: - ANSWER: infra-red and
ultra-violet rays
Infra-red radiation: - ANSWER: is invisible and can be felt
Infra-red radiation is absorbed: - ANSWER: in the dermis and muscles
Infra-red rays can be used in beauty therapy for: - ANSWER: warming
The effect of infra-red rays on the skin is to: - ANSWER: warm the deeper layers of
the skin
An indication for a treatment with infra-red rays is: - ANSWER: a poor blood
circulation in the skin
A contra-indication to treatment with infra-red radiation is: - ANSWER: skin showing
teleangiectasias on the cheek area
Infra-red radiation is used: - ANSWER: to warm the tissues before massage
QUESTIONS AND CORRECT ANSWERS (VERIFIED
ANSWERS) |AGRADE
I Biological and non-biological substances both need oxygen for their existence. II
The human body consists only of biological substances. - ANSWER: I is correct and II
is incorrect
Characteristics of life include: - ANSWER: growth and metabolism
Examples of synthetic substances are: - ANSWER: plastics and silicones
Examples of organic biological substances are: - ANSWER: carbohydrates and fats
Examples of mineral substances are: - ANSWER: paraffins and petroleum
Matter is everything that: - ANSWER: occupies space and has weight
The three forms of matter are solids, liquids and: - ANSWER: gases
What property does all matter have? - ANSWER: All matter has weight
Condensation is the change of matter from: - ANSWER: a gas to a liquid
Vapourisation is the change of matter from: - ANSWER: liquid to a gas
Melting is the change of matter from: - ANSWER: a solid to a liquid
Sublimation is the change of matter from: - ANSWER: a solid to a gas
Condensation is: - ANSWER: the change of a vapour to a liquid
The alteration of the properties of matter without the formation of any new
substance is called a/an: - ANSWER: physical change
The immediate change of a solid into a vapour is called: - ANSWER: sublimation
An example of a single-celled cellular organism is: - ANSWER: a bacterium
I. A micro-organism is the smallest part of the human body. II All micro-organisms
need nutrients for their existence. - ANSWER: I is incorrect and II is correct
Examples of bacteria are: - ANSWER: bacilli and cocci
,I. Every living organism needs some non-biological substances for it's existence. II. All
non-biological substances are found as minerals in the earth. - ANSWER: I is correct
and II is incorrect
Science deals mainly with: - ANSWER: physics and chemistry
The study of the structure of the body is called: - ANSWER: anatomy
The study of the functions of living organisms is: - ANSWER: physiology
I Anatomy is a very important science in the field of biology. II Anatomy is the
science which deals with the functions of the human body. - ANSWER: I is correct
and II is incorrect
I Physiology is a very important science in the field of biology. II Physiology is the
science which deals with the functions of the body. - ANSWER: I and II are both
correct
Which one of the following belongs to the science of chemistry? - ANSWER: The
alteration of the structure of molecules
I Chemical reactions only take place outside and not inside a living organism. II The
structure of molecules change during chemical reactions. - ANSWER: I is incorrect
and II is correct
The field of physics includes: - ANSWER: heat and electricity
Which one of the following belongs to the field of physics? - ANSWER: Sound,
electricity and heat
The field of physics includes: - ANSWER: the science of electricity
An anion is: - ANSWER: A negatively charged atom
An anion is: - ANSWER: a negatively charged chloride atom (CI-)
A cation is: - ANSWER: A positively charged sodium atom (Na+)
An electrolyte is: - ANSWER: A substance which, dissolved in water, splits into ions
Examples of electrolytes are: - ANSWER: acids and salts
An example of an electrolyte is: - ANSWER: salt-solution
An acid is an electrolyte because: - ANSWER: it can conduct an electric current
An example of an inorganic acid is: - ANSWER: sulphuric acid
,An alkali must contain: - ANSWER: metal atoms and hydroxyl group(s) (OH)
An example of an alkaline substance is: - ANSWER: soap
If a metal-oxide is dissolved in water it forms: - ANSWER: an alkali
The pH scale is used to measure the degree of acidity or: - ANSWER: alkalinity
pH can be decreased by: - ANSWER: increasing hydrogen-ions
The letter p in pH means: - ANSWER: potential
pH is: - ANSWER: the number of free H-ions in solution
If the pH of a solution is between 5 and 7, the solution is a: - ANSWER: weak acid
If the pH of a solution is between 1 and 3 the solution is a: - ANSWER: strong acid
If the pH of a solution is between 7 and 9 the solution is a: - ANSWER: weak alkali
If the pH of a solution is between 12 and 14 the solution is: - ANSWER: strong alkali
The pH of distilled water is: - ANSWER: 7
Lemon juice, with a pH reading of about 2, is considered to be: - ANSWER: acid
Pure water, with a pH of 7, is considered to be: - ANSWER: neutral
Substances having a pH value above 9.5 are considered to be: - ANSWER: alkaline
The pH of the skin's acid mantle is: - ANSWER: 5.5
A characteristic of a weak acid is that it: - ANSWER: supports the natural pH of the
skin
A characteristic of a weak alkali is that it: - ANSWER: softens the stratum corneum of
the skin
The effect of a strong acid is: - ANSWER: corrosive and therefore of no use in beauty
therapy
A characteristic of organic acids is that: - ANSWER: they contain the element carbon
(C)
Organic acids are found in: - ANSWER: sebum and plants
, An organic acid contains the chemical-group: - ANSWER: COOH
An anode is: - ANSWER: A positively charged electrode
A cathode is: - ANSWER: A negatively charged electrode
Examples of electrodes which are used in beauty therapy are: - ANSWER: the needles
used for galvanic electrolysis
In physics, radiation means: - ANSWER: the electro-magnectic waves in space system
The unit of frequency is: - ANSWER: Hertz
In physics, frequency means: - ANSWER: the number of times per second an electro-
magnetic-wave can change direction
The unit of frequency is: - ANSWER: Hertz
Hertz is a unit of: - ANSWER: frequency
In the visible spectrum the colours in the correct order are: - ANSWER: red, orange,
yellow and green
In the visible spectrum the colours in the correct order are: - ANSWER: green, blue,
indigo and violet
Invisible rays which can be used in beauty therapy are: - ANSWER: infra-red and
ultra-violet rays
Infra-red radiation: - ANSWER: is invisible and can be felt
Infra-red radiation is absorbed: - ANSWER: in the dermis and muscles
Infra-red rays can be used in beauty therapy for: - ANSWER: warming
The effect of infra-red rays on the skin is to: - ANSWER: warm the deeper layers of
the skin
An indication for a treatment with infra-red rays is: - ANSWER: a poor blood
circulation in the skin
A contra-indication to treatment with infra-red radiation is: - ANSWER: skin showing
teleangiectasias on the cheek area
Infra-red radiation is used: - ANSWER: to warm the tissues before massage
