Integrated Science — 2023

Which of the following symptoms is an indication of fungal infection in vegetable nursery?

Which of the following statements about an atoms is correct?

A machine is rated 5.30 W. In how many seconds will it do 212.0 J of work?

Carbon (IV) oxide is used to extinguish fires because it

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.

An athlete weighs 750 N. Determine the athlete's mass. [g = 10 m s-2]

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?

An example of a leafy vegetable is

It is compulsory to wear goggles when handling substances that

Excess amino acids in the body undergo the process of

An electric heater rated 60 W is connected to 240 V mains. Determine the current in its filament.

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.

Nutrient required in large quantities by leafy vegetables is

The most effective way of controlling lice on fowls is by

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?

Which of the following blood groups in humans does not contain antigen?

Which of the following diseases is caused by vitamin deficiency?

The normal period for a human pregnancy is

Which of the following pairs of crops is grown for their roots?

The presence of methane and carbon (IV) oxide in the air is the main cause of

Sickle-cell anaemia is an example of

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.

An example of a simple machine is

During digestion, rennin in the stomach

It is more advantageous to use solar energy than fossil fuel energy because

The protoplasm of a cell is made up of

Which of the following deductions cannot be made from the symbol ^{12}_{6}\mathrm{C}?

The size of the pupil of the eye is controlled by the

Which of the following conditions could cause aflatoxin in groundnuts?

Crop residue left on farms to conserve soil moisture are referred to as

A body is more stable when its centre of gravity is

Ash from burnt plants is widely used in Ghana

The principle of flotation states that

Which of the following materials is magnetic?

Biogas is produced from

The practice whereby shade is gradually removed from seedlings before transplanting is referred to as

The substance formed when carbon (IV) oxide s bubbled through lime water for a long time is

One advantage of weaning lambs early is that the

The manufacture of plastics involves the scientific process known as

A solution contains 5.3 g of sodium trioxocarbonate (IV) per dm^{3}. Determine its molarity. [Na2CO3 = 106]

The energy output of a system is 40 J and the efficiency is 60%. Determine the energy input of the system.

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

Myopia s an eye defect that makes a sufferer to

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]

The weather on earth is determined by changes in temperature, pressure and winds that take place in the

A farmer planted 2400 cuttings of cassava of which 85% survived grasscutter invasion. Determine the number of cassava plants that was destroyed.

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

Given that the Avogadro's constant is 6.02 \times 10^{23}, determine the number of atoms in 0.001 mol of aluminium metal.

Which of the following combinations of elements do all carbohydrates contain?

Setts are planting materials used for the cultivation of