Questions and CORRECT Answers
1. is correct
2. is incorrect - CORRECT ANSWER - 1. every living organism needs some non-
biological substances for its existence 2. all non-biological substances are found in minerals on
earth
growth and metabolism - CORRECT ANSWER - characteristics of life include
carbohydrates and fats - CORRECT ANSWER - examples of organic biological
substances are
paraffins and petroleum - CORRECT ANSWER - examples of mineral substances are
occupies space and has weight - CORRECT ANSWER - matter is everything that
a gas to a liquid - CORRECT ANSWER - condensation is the change in matter from
a liquid to a gas - CORRECT ANSWER - vaporization is that change of matter from
a solid to a liquid - CORRECT ANSWER - melting is the change of matter from
a solid to a gas - CORRECT ANSWER - sublimation is a change of matter from
the change of vapor to a liquid - CORRECT ANSWER - condensation is
a bacterium - CORRECT ANSWER - an example of a single celled organism is
,1. is incorrect
2. is correct - CORRECT ANSWER - 1. a microorganism is the smallest part of the human
body
2. all microorganisms need nutrients for their existence
physics and chemistry - CORRECT ANSWER - science deals mainly with
physiology - CORRECT ANSWER - the study of the functions of living organisms is
1. is correct
2. is incorrect - CORRECT ANSWER - 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
1 and 2 are both correct - CORRECT ANSWER - 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
the alterations of the structure of molecules - CORRECT ANSWER - which one of the
following belongs to the science of chemistry
1. is incorrect
2. is correct - CORRECT ANSWER - 1. chemical reactions only take place outside and
not inside of a living organism
2. the structure of molecules change during chemical reactions
heat and electricity - CORRECT ANSWER - the field of physics include
,negatively charged atom - CORRECT ANSWER - an anion is
positively charged sodium atom (na+) - CORRECT ANSWER - a cation is
substance which dissolved in water splits into ions - CORRECT ANSWER - an electrolyte
is
salt solution - CORRECT ANSWER - an example of an electrolyte is
it can conduct and electric current - CORRECT ANSWER - an acid is an electrolyte
because
increasing the hydrogen ions - CORRECT ANSWER - pH can be decreased by
the number of free H ions in a solution - CORRECT ANSWER - pH is
weak acid - CORRECT ANSWER - if a pH of a solution is between 5 and 7 the solution is
weak alkali - CORRECT ANSWER - if the pH of a solution is between 7 and 9 is
7 - CORRECT ANSWER - the pH of distilled water is
acid - CORRECT ANSWER - lemon juice with a pH reading of about 9.5 are considered
to be
5.5 - CORRECT ANSWER - the pH of a skins acid mantle is
, supports the natural pH of the skin - CORRECT ANSWER - a characteristic of a weak
acid is that it
they contain the element carbon - CORRECT ANSWER - a characteristic of organic acid
is that
COOH - CORRECT ANSWER - an organic acid contains the chemical group
positively charged electrode - CORRECT ANSWER - an anode is
negatively charges electrode - CORRECT ANSWER - a cathode is
the needles used for galvanic electrolysis - CORRECT ANSWER - examples of electrodes
which are used in beauty therapy are
the electromagnetic waves in space - CORRECT ANSWER - in physics radiation means
the number of times per second an electromagnetic wave can change direction - CORRECT
ANSWER - in physics frequency means
frequency - CORRECT ANSWER - hertz is a measure of
green, blue, indigo, violet - CORRECT ANSWER - in the visible spectrum the colors in
the correct order are
infrared and ultraviolet rays - CORRECT ANSWER - invisible rays which can be used in
beauty therapy are
is invisible and can be felt - CORRECT ANSWER - infrared radiation