. A stick which is partially immersed in water appeared to be bent due to

A mixture of sugar and water could be separated by

One difference between metals and non-metals is that metals

Which of the following processes results in the formation of new substances?

 The cultivation of different crops on different plots of a farmland in a definite cycle is called

Photosynthesis is important to living organisms because it produces

Iodine deficiency in humans could result in a disorder known as

Global warming is caused by the

A substance is termed combustible if it

The warning and safety signs on chemical containers are usually represented by a symbol placed within a

Micro-organisms that cause diseases are collectively called

In which of the following structures in a living cell is cellulose found?

An example of a third class lever is

Which type of energy is lost when sweat evaporates from the human body?

Elements that could easily lose electrons to form cations are

The release of a mature egg from an ovary into the fallopian tube in humans is called

Which of the following gases is involved in the rusting of iron?

The conversion of agricultural produce from its original form to other desirable forms is termed

The blood vessel that carries oxygenated blood from the lungs to the heart is known as

The feeling of soil between fingers is used to determine the

The function of the hair in the nose of humans is to

An example of a plant micro-nutrient is

Sodium hydroxide is an example of a base because it

A metal that is used as a thermometric liquid is

What is the colour of the neutral wire in a three-pin plug?

Which of the following plants has its leaves modified for storing food?

The joule is the S.I unit for

In the pin-hole camera, the image formed is always

Gases enter and leave the leaf of a plant through the

Which of the following gases supports combustion?

 The part of the flower that develops into a fruit is the

Which of the following vegetable crops is cultivated for its leaves?

 The form of energy which flows from one point to another due to temperature differences is known as

The number of elements in the compound Ca(OH)2 is

An example of a body that does not produce its own light is the

Which of the following resources does not produce energy?

The reason why alum is added to water during treatment is to

Which of the following devices converts electrical energy into sound energy?

Which of the following animal parasites could be controlled by hand picking?

Transplanting of young seedlings is usually done in the evening because