Which of the following factors can affect the boiling and freezing points of water?
3
Purple-leaf colouration in plants is a symptom of deficiency in
4
Which of the following diseases in humans is caused by bacteria?
5
The part of the human ear responsible for amplification of sound is
6
The general formula of alkyne is
7
Which of the following bones is present in the forelimb of man?
8
Minerals included in the layer ration for egg shell formation are calcium and
9
Carrot is a good source of which of the following vitamins?
10
The major reason why relative atomic mass of some elements is not a whole number is the existence of
11
Which energy transformation occurs in a light emitting diode?
12
Which of the following characteristics are associated with local breeds of fowl?
13
Temporary hardness of water is removed by heating because
14
Examples of continuous variation include:
15
The number of protons in an ion with a charge of +3 is 13. How many electrons are present in the neutral atom?
16
Metals are normally used as electrical wires because they are
17
One advantage of male circumcision is that, it
18
Organic manures are preferred to inorganic manures because, they are
19
Calculate the number of moles in 5.85 of NaCl.
20
The diagram below illustrates a ray of light incident on a plane mirror MM ' .
21
A respiratory surface must have
22
In which of the following processes is plant nutrient in the soil lost through gravity?
23
A body of mass 20 kg falls from a height of 10 m. If g = 10.0 ms -2 , calculate the velocity of the body just before it touches the ground.
24
A solution of 250 cm 3 HCl has a concentration of 2 mol dm -3 . Determine the number of moles of the acid.
25
In which of the following blood vessels in the mammalian body would high levels of urea be found?
26
Land breeze occurs when
27
The following statements are characteristics of large-scale industries except
28
Muscles are mostly made up of
29
Determine the volume of water required to change the concentration of 100 cm 3 HCl from 0.5 mol dm -3 to 0.1 mol dm -3 .
30
A force moves a body through a distance of 15 m in the direction of the force. If the work done by the force is 45.0 J, determine the magnitude of the force.
31
Which of the following statements are functions of soil air?
32
Digestion of food is completed in the
33
Transistors can be used as
34
Sedimentary rocks are not resistant to weathering because, they
35
The reaction represented by the equation
36
All the following crops require staking as a cultural practice except
37
Which of the following lights will combine with red light to give white light?
38
Which of the following organelles is called the power house of the cell ?
39
The IUPAC name of the compound Mg(HCO 3 ) 2 is
40
Which of the following brooder house equipment confines day-old chicks?
41
Symbiotic association in the root nodules occurs in
42
The method of fertilizer application which is most labour intensive and time-consuming is the
43
An electric kettle rated 1.5 kW operates at 200 V. Determine the current passing through the kettle.
44
The best way of storing yam tubers is
45
Blood pressure is highest at
46
The main constituent of natural gas is
47
The SI unit of light intensity is
48
A 250 cm 3 of 0.10 mol dm -3 of KOH is to be prepared. Calculate the mass of KOH required.
49
The male and female sex cells are collectively called
50
A characteristics of sound that differentiates the same note played on different instruments is
