1. Every living organism needs some non-biological substances for its existence
2. All non-biological substances are found in minerals on earth - ANSWER
1. Is correct
2. Is incorrect
Characteristics of life include - ANSWER growth and metabolism
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
Condensation is the change in matter from - ANSWER a gas to a liquid
Vaporization is that change of matter from - ANSWER a liquid to a gas
Melting is the change of matter from - ANSWER a solid to a liquid
Sublimation is a change of matter from - ANSWER a solid to a gas
Condensation is - ANSWER the change of vapor to a liquid
1
,An example of a single celled organism is - ANSWER a bacterium
1. A microorganism is the smallest part of the human body
2. All microorganisms need nutrients for their existence - ANSWER 1. Is incorrect
2. Is correct
Science deals mainly with - ANSWER physics and chemistry
The study of the functions of living organisms is - ANSWER physiology
1. Anatomy is a very important science in the fields of biology
2. Anatomy is the science which deals with the functions of the human body - ANSWER 1.
Is correct
2. Is incorrect
1. Physiology is a very important science in the field of biology
2. Physiology is the science which deals with the functions of the body - ANSWER 1 and 2
are both correct
Which one of the following belongs to the science of chemistry - ANSWER the alterations
of the structure of molecules
1. Chemical reactions only take place outside and not inside of a living organism
2. The structure of molecules change during chemical reactions - ANSWER 1. Is incorrect
2. Is correct
The field of physics include - ANSWER heat and electricity
2
,An anion is - ANSWER negatively charged atom
A cation is - ANSWER positively charged sodium atom (na+)
An electrolyte is - ANSWER substance which dissolved in water splits into ions
An example of an electrolyte is - ANSWER salt solution
An acid is an electrolyte because - ANSWER it can conduct and electric current
Ph can be decreased by - ANSWER increasing the hydrogen ions
Ph is - ANSWER the number of free H ions in a solution
If a ph of a solution is between 5 and 7 the solution is - ANSWER weak acid
If the ph of a solution is between 7 and 9 is - ANSWER weak alkali
The ph of distilled water is - ANSWER 7
Lemon juice with a ph reading of about 9.5 are considered to be - ANSWER acid
The ph of a skins 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 organic acid is that - ANSWER they contain the element carbon
3
, An organic acid contains the chemical group - ANSWER COOH
An anode is - ANSWER positively charged electrode
A cathode is - ANSWER negatively charges electrode
Examples of electrodes which are used in beauty therapy are - ANSWER the needles used
for galvanic electrolysis
In physics radiation means - ANSWER the electromagnetic waves in space
In physics frequency means - ANSWER the number of times per second an
electromagnetic wave can change direction
Hertz is a measure of - ANSWER frequency
In the visible spectrum the colors in the correct order are - ANSWER green, blue, indigo,
violet
Invisible rays which can be used in beauty therapy are - ANSWER infrared and ultraviolet
rays
Infrared radiation - ANSWER is invisible and can be felt
Infrared rays can be used in beauty therapy for - ANSWER warming
An effect of infrared rays on the skin is to - ANSWER warm the deeper layers of the skin
4
2. All non-biological substances are found in minerals on earth - ANSWER
1. Is correct
2. Is incorrect
Characteristics of life include - ANSWER growth and metabolism
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
Condensation is the change in matter from - ANSWER a gas to a liquid
Vaporization is that change of matter from - ANSWER a liquid to a gas
Melting is the change of matter from - ANSWER a solid to a liquid
Sublimation is a change of matter from - ANSWER a solid to a gas
Condensation is - ANSWER the change of vapor to a liquid
1
,An example of a single celled organism is - ANSWER a bacterium
1. A microorganism is the smallest part of the human body
2. All microorganisms need nutrients for their existence - ANSWER 1. Is incorrect
2. Is correct
Science deals mainly with - ANSWER physics and chemistry
The study of the functions of living organisms is - ANSWER physiology
1. Anatomy is a very important science in the fields of biology
2. Anatomy is the science which deals with the functions of the human body - ANSWER 1.
Is correct
2. Is incorrect
1. Physiology is a very important science in the field of biology
2. Physiology is the science which deals with the functions of the body - ANSWER 1 and 2
are both correct
Which one of the following belongs to the science of chemistry - ANSWER the alterations
of the structure of molecules
1. Chemical reactions only take place outside and not inside of a living organism
2. The structure of molecules change during chemical reactions - ANSWER 1. Is incorrect
2. Is correct
The field of physics include - ANSWER heat and electricity
2
,An anion is - ANSWER negatively charged atom
A cation is - ANSWER positively charged sodium atom (na+)
An electrolyte is - ANSWER substance which dissolved in water splits into ions
An example of an electrolyte is - ANSWER salt solution
An acid is an electrolyte because - ANSWER it can conduct and electric current
Ph can be decreased by - ANSWER increasing the hydrogen ions
Ph is - ANSWER the number of free H ions in a solution
If a ph of a solution is between 5 and 7 the solution is - ANSWER weak acid
If the ph of a solution is between 7 and 9 is - ANSWER weak alkali
The ph of distilled water is - ANSWER 7
Lemon juice with a ph reading of about 9.5 are considered to be - ANSWER acid
The ph of a skins 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 organic acid is that - ANSWER they contain the element carbon
3
, An organic acid contains the chemical group - ANSWER COOH
An anode is - ANSWER positively charged electrode
A cathode is - ANSWER negatively charges electrode
Examples of electrodes which are used in beauty therapy are - ANSWER the needles used
for galvanic electrolysis
In physics radiation means - ANSWER the electromagnetic waves in space
In physics frequency means - ANSWER the number of times per second an
electromagnetic wave can change direction
Hertz is a measure of - ANSWER frequency
In the visible spectrum the colors in the correct order are - ANSWER green, blue, indigo,
violet
Invisible rays which can be used in beauty therapy are - ANSWER infrared and ultraviolet
rays
Infrared radiation - ANSWER is invisible and can be felt
Infrared rays can be used in beauty therapy for - ANSWER warming
An effect of infrared rays on the skin is to - ANSWER warm the deeper layers of the skin
4
