Question 1
Which of the following symptoms is an indication of fungal infection in vegetable nursery?
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Question 2
Which of the following statements about an atoms is correct?
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Question 3
A machine is rated 5.30 W. In how many seconds will it do 212.0 J of work?
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Question 4
Carbon (IV) oxide is used to extinguish fires because it
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Question 5
A deep litter house measuring 45.0 m by 2.2 m is stocked at the rate of one bird per 0.25 m2. Determine the number of birds stocked.
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Question 6
An athlete weighs 750 N. Determine the athlete's mass. [g = 10 m s-2]
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Question 7
A child has a fever, runny nose, red sore eyes and a rash inside the mouth. Which of the following diseases is the child likely to be suffering from?
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Question 8
An example of a leafy vegetable is
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Question 9
It is compulsory to wear goggles when handling substances that
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Question 10
Excess amino acids in the body undergo the process of
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Question 11
An electric heater rated 60 W is connected to 240 V mains. Determine the current in its filament.
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Question 12
Which of the following statements about sea breeze is/are correct? It I. occurs during the night. II. occurs during the day. III. blows towards the sea.
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Question 13
Nutrient required in large quantities by leafy vegetables is
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Question 14
The most effective way of controlling lice on fowls is by
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Question 15
In the vacuum flask, the vacuum between the polished walls minimizes heat transfer by I. conduction. II. radiation. III. convection. Which of the statements above are correct?
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Question 16
Which of the following blood groups in humans does not contain antigen?
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Question 17
Which of the following diseases is caused by vitamin deficiency?
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Question 18
The normal period for a human pregnancy is
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Question 19
Which of the following pairs of crops is grown for their roots?
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Question 20
The presence of methane and carbon (IV) oxide in the air is the main cause of
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Question 21
Sickle-cell anaemia is an example of
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Question 22
Which of the following statements are correct about semiconductors? They I. are used to make transistors. II. do not obey Ohm's law. III. are group (IV) elements.
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Question 23
An example of a simple machine is
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Question 24
During digestion, rennin in the stomach
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Question 25
It is more advantageous to use solar energy than fossil fuel energy because
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Question 26
The protoplasm of a cell is made up of
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Question 27
Which of the following deductions cannot be made from the symbol \(^{12}_{6}\mathrm{C}\)?
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Question 28
The size of the pupil of the eye is controlled by the
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Question 29
Which of the following conditions could cause aflatoxin in groundnuts?
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Question 30
Crop residue left on farms to conserve soil moisture are referred to as
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Question 31
A body is more stable when its centre of gravity is
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Question 32
Ash from burnt plants is widely used in Ghana
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Question 33
The principle of flotation states that
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Question 34
Which of the following materials is magnetic?
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Question 35
Biogas is produced from
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Question 36
The practice whereby shade is gradually removed from seedlings before transplanting is referred to as
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Question 37
The substance formed when carbon (IV) oxide s bubbled through lime water for a long time is
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Question 38
One advantage of weaning lambs early is that the
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Question 39
The manufacture of plastics involves the scientific process known as
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Question 40
A solution contains 5.3 g of sodium trioxocarbonate (IV) per \(dm^{3}\). Determine its molarity. [Na2CO3 = 106]
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Question 41
The energy output of a system is 40 J and the efficiency is 60%. Determine the energy input of the system.
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Question 42
Which of the following factors contribute to tidal waves experienced on the sea? The I. gravitational force of the sun and moon on the sea II. centripetal force created by the rotation of the earth around its axis III. occurrence of cyclones
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Question 43
Myopia s an eye defect that makes a sufferer to
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Question 44
A quantity of NaCl was dissolved in 100 cm3 of solution to obtain 0.50 moldm-3 NaCl solution. Determine the mass of NaCl used. [NaCl = 58.5]
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Question 45
The weather on earth is determined by changes in temperature, pressure and winds that take place in the
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Question 46
A farmer planted 2400 cuttings of cassava of which 85% survived grasscutter invasion. Determine the number of cassava plants that was destroyed.
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Question 47
Which of the following statements about wind are correct? I. It is an air mass II. It moves from an area of high pressure to an area of low pressure III. It moves from an area of low pressure to an area of high pressure
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Question 48
Given that the Avogadro's constant is \(6.02 \times 10^{23}\), determine the number of atoms in 0.001 mol of aluminium metal.
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Question 49
Which of the following combinations of elements do all carbohydrates contain?
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Question 50
Setts are planting materials used for the cultivation of
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