SCIENCE 2018
The space occupied by matter is its
Which of the following structures contain cellulose?
Which of the following activities are cultural practices used in tomato cultivation?
I. Pest control
II. Picking out
III. Fertilizer application
The farming system that makes effective use of available soil nutrients in a growing season is
Which of the following members in a food chain will receive the least energy?
Digestion of fats and oils in humans starts in the
What is the chemical symbol for silver?
The process by which gas changes to liquid is known as
Which of the following substances is acidic?
The basic unit of life is the
Useful materials in food that provide growth and repair of worn out tissues are called
In human reproduction, the sperm fertilizes the female egg to form the
Use the information below to answer the question that follow.
A solid X reacted with a liquid Y to form a salt and water only. A portion of liquid Y turned blue litmus paper red. Solid X did not dissolve when a portion of it was placed in water and stirred.
Solid X could be said to be
Liquid Y is
If red litmus paper is placed in liquid Y, the colour of the paper will
The type of soil which become water-logged after rainfall is made up of a large amount of
Ringworm is a disease which attacks the
The most appropriate to adopt when growing vegetables in the dry season is
Which of the following organisms improves soil fertility?
The introduction of natural enemies to control pests on a field is a
A body has a density of 30gcm-3 and a volume of 6cm3. Determine the mass of the body.
The force which tends to pull an object in a circular motion towards the centre of the circle is called
The swollen shoot disease of cocoa is caused by
The instrument used to measure atmospheric pressure is called
The systematic name of NO2 is
Which of the following simple machine is a second class lever?
A cylinder metal has radius 7cm and height 2cm. Determine the volume of the cylinder.
[Take π = 3.143]
Which of the following statements are true of compounds?
I. They are homogenous
II. Their constituents are present in fixed ration by mass
III. Their constituents keep their individual properties
Which of the following factors contribute to early parenthood?
I. Illiteracy
II. Poverty
III. Peer pressure
IV. Lack of parental care
Which of the following statements about the negative use of Science and Technology is correct? It
Which of the following nutrients is needed by plants in small quantities?
Which of the following statements about shadow formation is correct? It shows that light rays can
The colour of the neutral wire in an electrical circuit is
A metal displaces 5.0cm3 of water when it is totally immersed. If the mass of the metal is 35.0g, calculate its density.
Which of the following physical properties of water are correct? Water
I. is a colourless liquid.
II. is a universal solvent.
III. boils at 100°C at standard atmosphere pressure.
IV. has a density of 5kgcm-3 at 4°C.
The relative proportions of the different particle sizes in a soil sample refer to soil
Which of the following chemical equations is balanced?
Heat is transferred along an iron bar by
The second large in the life cycle of a mosquito is the
The function of the platelets in the circulatory system of humans is to