CIDESCO ACTUAL EXAM PAPER 2026
QUESTIONS WITH ANSWERS GRADED A+
◉ 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
QUESTIONS WITH ANSWERS GRADED A+
◉ 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
