Integrated Science — 2025
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