5/18/25, 7:56 PM CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED ANSWERS | J…
CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT
ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED
ANSWERS | ACTUAL EXAM 2024-2025
I Biological and non- I is correct and II is incorrect
biological substances both
need oxygen for their
existence. II The human
body consists only of
biological substances.
Characteristics of life include: growth and metabolism
Examples of synthetic plastics and silicones
substances are:
Examples of organic carbohydrates and fats
biological substances are:
Examples of mineral paraffins and petroleum
substances are:
Matter is everything that: occupies space and has weight
The three forms of matter gases
are solids, liquids and:
What property does all matter All matter has weight
have?
Condensation is the change of a gas to a liquid
matter from:
Vapourisation is the change of liquid to a gas
matter from:
Melting is the change of a solid to a liquid
matter from:
Sublimation is the change of a solid to a gas
matter from:
Condensation is: the change of a vapour to a liquid
The alteration of the physical change
properties of matter without
the formation of any new
substance is called a/an:
… 1/63
,5/18/25, 7:56 PM CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED ANSWERS | J…
The immediate change of a sublimation
solid into a vapour is
called:
An example of a single- a bacterium
celled cellular organism is:
I. A micro-organism is the I is incorrect and II is correct
smallest part of the human
body. II All micro-
organisms
need nutrients for their
existence.
Examples of bacteria are: bacilli and cocci
I. Every living organism I is correct and II is incorrect
needs some non- biological
substances for it's existence.
II. All non-biological
substances are found as
minerals in the earth.
Science deals mainly with: physics and chemistry
The study of the structure of anatomy
the body is called:
The study of the functions of physiology
living organisms is:
I Anatomy is a very I is correct and II is incorrect
important science in the field
of biology. II Anatomy is
the science which deals
with the functions of the
human body.
I Physiology is a very I and II are both correct
important science in the
field of biology. II
Physiology is the science
which deals with the
functions of the body.
Which one of the following The alteration of the structure of molecules
belongs to the science of
… 2/63
,5/18/25, 7:56 PM CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED ANSWERS | J…
chemistry?
I Chemical reactions only I is incorrect and II is correct
take place outside and not
inside a living organism. II
The structure of molecules
change during chemical
reactions.
The field of physics includes: heat and electricity
Which one of the following Sound, electricity and heat
belongs to the field of
physics?
The field of physics includes: the science of electricity
An anion is: A negatively charged atom
An anion is: a negatively charged chloride atom (CI-)
A cation is: A positively charged sodium atom (Na+)
An electrolyte is: A substance which, dissolved in water, splits into ions
Examples of electrolytes are: acids and salts
An example of an electrolyte salt-solution
is:
An acid is an electrolyte it can conduct an electric current
because:
An example of an inorganic sulphuric acid
acid is:
An alkali must contain: metal atoms and hydroxyl group(s) (OH)
An example of an alkaline soap
substance is:
… 3/63
, 5/18/25, 7:56 PM CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED ANSWERS | J…
If a metal-oxide is an alkali
dissolved in water it
forms:
The pH scale is used to alkalinity
measure the degree of
acidity or:
pH can be decreased by: increasing hydrogen-ions
The letter p in pH means: potential
pH is: the number of free H-ions in solution
If the pH of a solution is weak acid
between 5 and 7, the
solution is a:
If the pH of a solution is strong acid
between 1 and 3 the
solution is a:
If the pH of a solution is weak alkali
between 7 and 9 the
solution is a:
If the pH of a solution is strong alkali
between 12 and 14 the
solution is:
The pH of distilled water is: 7
Lemon juice, with a pH acid
reading of about 2, is
considered to be:
Pure water, with a pH of 7, is neutral
considered to be:
Substances having a pH alkaline
value above 9.5 are
considered to be:
The pH of the skin's acid 5.5
mantle is:
A characteristic of a weak acid supports the natural pH of the skin
is that it:
A characteristic of a weak softens the stratum corneum of the skin
alkali is that it:
The effect of a strong acid is: corrosive and therefore of no use in beauty therapy
… 4/63
CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT
ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED
ANSWERS | ACTUAL EXAM 2024-2025
I Biological and non- I is correct and II is incorrect
biological substances both
need oxygen for their
existence. II The human
body consists only of
biological substances.
Characteristics of life include: growth and metabolism
Examples of synthetic plastics and silicones
substances are:
Examples of organic carbohydrates and fats
biological substances are:
Examples of mineral paraffins and petroleum
substances are:
Matter is everything that: occupies space and has weight
The three forms of matter gases
are solids, liquids and:
What property does all matter All matter has weight
have?
Condensation is the change of a gas to a liquid
matter from:
Vapourisation is the change of liquid to a gas
matter from:
Melting is the change of a solid to a liquid
matter from:
Sublimation is the change of a solid to a gas
matter from:
Condensation is: the change of a vapour to a liquid
The alteration of the physical change
properties of matter without
the formation of any new
substance is called a/an:
… 1/63
,5/18/25, 7:56 PM CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED ANSWERS | J…
The immediate change of a sublimation
solid into a vapour is
called:
An example of a single- a bacterium
celled cellular organism is:
I. A micro-organism is the I is incorrect and II is correct
smallest part of the human
body. II All micro-
organisms
need nutrients for their
existence.
Examples of bacteria are: bacilli and cocci
I. Every living organism I is correct and II is incorrect
needs some non- biological
substances for it's existence.
II. All non-biological
substances are found as
minerals in the earth.
Science deals mainly with: physics and chemistry
The study of the structure of anatomy
the body is called:
The study of the functions of physiology
living organisms is:
I Anatomy is a very I is correct and II is incorrect
important science in the field
of biology. II Anatomy is
the science which deals
with the functions of the
human body.
I Physiology is a very I and II are both correct
important science in the
field of biology. II
Physiology is the science
which deals with the
functions of the body.
Which one of the following The alteration of the structure of molecules
belongs to the science of
… 2/63
,5/18/25, 7:56 PM CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED ANSWERS | J…
chemistry?
I Chemical reactions only I is incorrect and II is correct
take place outside and not
inside a living organism. II
The structure of molecules
change during chemical
reactions.
The field of physics includes: heat and electricity
Which one of the following Sound, electricity and heat
belongs to the field of
physics?
The field of physics includes: the science of electricity
An anion is: A negatively charged atom
An anion is: a negatively charged chloride atom (CI-)
A cation is: A positively charged sodium atom (Na+)
An electrolyte is: A substance which, dissolved in water, splits into ions
Examples of electrolytes are: acids and salts
An example of an electrolyte salt-solution
is:
An acid is an electrolyte it can conduct an electric current
because:
An example of an inorganic sulphuric acid
acid is:
An alkali must contain: metal atoms and hydroxyl group(s) (OH)
An example of an alkaline soap
substance is:
… 3/63
, 5/18/25, 7:56 PM CIDESCO EXAM 2025 | ALL QUESTIONS AND CORRECT ANSWERS (GRADED A+) | LATEST EXAM | VERIFIED ANSWERS | J…
If a metal-oxide is an alkali
dissolved in water it
forms:
The pH scale is used to alkalinity
measure the degree of
acidity or:
pH can be decreased by: increasing hydrogen-ions
The letter p in pH means: potential
pH is: the number of free H-ions in solution
If the pH of a solution is weak acid
between 5 and 7, the
solution is a:
If the pH of a solution is strong acid
between 1 and 3 the
solution is a:
If the pH of a solution is weak alkali
between 7 and 9 the
solution is a:
If the pH of a solution is strong alkali
between 12 and 14 the
solution is:
The pH of distilled water is: 7
Lemon juice, with a pH acid
reading of about 2, is
considered to be:
Pure water, with a pH of 7, is neutral
considered to be:
Substances having a pH alkaline
value above 9.5 are
considered to be:
The pH of the skin's acid 5.5
mantle is:
A characteristic of a weak acid supports the natural pH of the skin
is that it:
A characteristic of a weak softens the stratum corneum of the skin
alkali is that it:
The effect of a strong acid is: corrosive and therefore of no use in beauty therapy
… 4/63
