CIDESCO Exam Prep Questions and
Answers Graded A+
I Biological and non-biological substances both need oxygen for their existence. II The human
body consists only of biological substances. ✔✔I is correct and II is incorrect
Characteristics of life include: ✔✔growth and metabolism
Examples of synthetic substances are: ✔✔plastics and silicones
Examples of organic biological substances are: ✔✔carbohydrates and fats
Examples of mineral substances are: ✔✔paraffins and petroleum
Matter is everything that: ✔✔occupies space and has weight
The three forms of matter are solids, liquids and: ✔✔gases
,What property does all matter have? ✔✔All matter has weight
Condensation is the change of matter from: ✔✔a gas to a liquid
Vapourisation is the change of matter from: ✔✔liquid to a gas
Melting is the change of matter from: ✔✔a solid to a liquid
Sublimation is the change of matter from: ✔✔a solid to a gas
Condensation is: ✔✔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: ✔✔physical change
The immediate change of a solid into a vapour is called: ✔✔sublimation
An example of a single-celled cellular organism is: ✔✔a bacterium
,I. A micro-organism is the smallest part of the human body. II All micro-organisms need
nutrients for their existence. ✔✔I is incorrect and II is correct
Examples of bacteria are: ✔✔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. ✔✔I is correct and II is incorrect
Science deals mainly with: ✔✔physics and chemistry
The study of the structure of the body is called: ✔✔anatomy
The study of the functions of living organisms is: ✔✔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. ✔✔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. ✔✔I and II are both correct
Which one of the following belongs to the science of chemistry? ✔✔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. ✔✔I is incorrect and II is correct
The field of physics includes: ✔✔heat and electricity
Which one of the following belongs to the field of physics? ✔✔Sound, electricity and heat
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-)
Answers Graded A+
I Biological and non-biological substances both need oxygen for their existence. II The human
body consists only of biological substances. ✔✔I is correct and II is incorrect
Characteristics of life include: ✔✔growth and metabolism
Examples of synthetic substances are: ✔✔plastics and silicones
Examples of organic biological substances are: ✔✔carbohydrates and fats
Examples of mineral substances are: ✔✔paraffins and petroleum
Matter is everything that: ✔✔occupies space and has weight
The three forms of matter are solids, liquids and: ✔✔gases
,What property does all matter have? ✔✔All matter has weight
Condensation is the change of matter from: ✔✔a gas to a liquid
Vapourisation is the change of matter from: ✔✔liquid to a gas
Melting is the change of matter from: ✔✔a solid to a liquid
Sublimation is the change of matter from: ✔✔a solid to a gas
Condensation is: ✔✔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: ✔✔physical change
The immediate change of a solid into a vapour is called: ✔✔sublimation
An example of a single-celled cellular organism is: ✔✔a bacterium
,I. A micro-organism is the smallest part of the human body. II All micro-organisms need
nutrients for their existence. ✔✔I is incorrect and II is correct
Examples of bacteria are: ✔✔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. ✔✔I is correct and II is incorrect
Science deals mainly with: ✔✔physics and chemistry
The study of the structure of the body is called: ✔✔anatomy
The study of the functions of living organisms is: ✔✔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. ✔✔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. ✔✔I and II are both correct
Which one of the following belongs to the science of chemistry? ✔✔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. ✔✔I is incorrect and II is correct
The field of physics includes: ✔✔heat and electricity
Which one of the following belongs to the field of physics? ✔✔Sound, electricity and heat
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-)
