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Integrated Science2025

WASSCE · 50 questions

50 questions

A body has a mass of 70 kg. What is the force due to the earth acting on it? [g = 10 m s^-2]

The main practice which is carried out in the nursery just before seedlings are transplanted is

The diagram below is an electrical circuit showing two resistors connected in parallel. Determine the effective resistance of the combination.

The following statements are examples of application of biotechnology in Agriculture except

The movement of water into root hairs is by

An example of soil micronutrient is

Which of the following systems in the human body is directly affected when carbon monoxide is inhaled?

The part of the human brain that controls body temperature is

How many moles of HCl is contained in 14.6 g of HCl? [H = 1, Cl = 35.5]

In which of the following blood vessels is the pressure highest?

The functional group for alkanol is

Which of the following statements about magnetic fields are correct? A magnetic field I. has magnetic lines of force. II. is a force field. III. has direction.

Substances excreted by the skin of humans include

The type of livestock raised in any area depends mainly on the

The IUPAC name for Na2SO4 is

Which of the following vegetables provide the largest amount of roughage in the diet of humans?

The immunization of children is important because it

What is the kinetic energy of a body of mass 20 kg moving with a velocity of 4 m s^-1?

The gas produced when a dilute hydrochloric acid reacts with calcium carbonate is

Which of the following statements about the image formed in a pinhole camera are correct? The image is I. inverted. II. upright. III. real.

Which of the following traits in humans is an example of continuous variation?

Which of the following chemical equations is balanced?

The instruments used to measure the mass of a body include I. top pan balance. II. spring balance. III. electronic balance.

Which of the following animals is a non-ruminant herbivore?

The energy needed for natural cycles to operate is obtained from

Ectoparasites of farm animals are effectively controlled by

A device which converts chemical energy to electrical energy is

A flowering plant with poorly developed roots, yellow buds and yellowing new leaves is likely to be deficient in

Water is not suitable as a thermometric liquid because it I. is opaque. II. wets glass. III. expands abnormally.

Conversion of nitrites to nitrates in the nitrogen cycle is caused by

In the control of malaria, the main aim of spraying stagnant water bodies is to

Aluminium does not corrode easily because it

In which part of the leaf is the amount of glucose produced during photosynthesis the least?

Which of the following physical properties of water are correct? I. It is tasteless. II. It has a pH of 7. III. It is colourless.

During rusting, iron reacts with oxygen to form

Members of the same species living at the same place at the same time make a/an

The westerlies are winds that blow

The P–N junction diode has

The correct sequence of the arrangement of vertebrae in a mammal is

Which of the following structures is present in animal cells only?

Loss of appetite and poor growth in humans are due to the deficiency of

Nucleons refer to the sum of

Which of the following statements are correct? I. Green house effect can be reduced by afforestation. II. One effect of ozone layer depletion is global warming. III. Green house effect is reduced by bush burning.

The nuclide 226/88 Ra undergoes alpha decay. The mass number and atomic number of the daughter nuclide are respectively

Ash from cocoa pod tastes bitter because it contains

A musical note is sound with a definite

Hydrological cycle is the system by which water continuously circulates through the

The structure associated with the absorption of fatty acids and glycerol in the small intestines is the

It is most difficult to detect carbon (II) oxide gas than most poisonous gases because it

Metamorphic rocks are formed through