2022 WASSCE Biology Questions for Candidates – Solve These

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2022 WASSCE Biology Questions for Candidates – Do Your Best To Solve All These Questions As You Prepare For WASSCE

2022 WASSCE Biology Questions for Candidates: The 2022 Biology Questions cover examinable areas for this year’s WASSCE for School Candidates. Candidates are challenged to attempt all the questions provided here. Note that they are likely examination questions and not leaked questions.



​1.(a) What is a hormone?
(b). Outline the roles played by adrenaline in an emergency situation
(C) In a tabular form, list five differences between hormonal co-ordination and nervosa coordination.
(d) Name three animals hormones and two plants hormones

​2.(a) (i) Defined the law of independent assortment
(ii) State the findings from Mendel’s experiment involving white-flowered and red flowered pea plants .
(iii) illustrate these findings by means of simple diagrams.
(b) Explained why blood group A and B in man can exist both in heterozygous and homozygous conditions while blood group O can only exist in homozygous state.

​3 (a) What is an ecosystem ?
(b) Name two abiotic factors each affect plants and animals in a territorial habitat

(C) state four factors that bring about compilation among organisms

​4 (a)(i) Explain briefly Drawins theory of Natural Selection

(ii) List five evidence to support the occurrence of evolution.



1. (a)(i) Explain the term mulching.
(ii) Give tow advantages of mulching.

(b)(i) Draw and label a diagram of a hydrometer.
(ii) Describe briefly how the density of a liquid is determined with a hydrometer.

(c)Explain each of the following terms:
(i) mass number;
(ii) relative atomic mass.

(d)(i)What is biotechnology?
(ii)Give two examples of food items that can be produced using biotechnology.

2. (a)(i) What is thermostat?
(ii) Name two appliances which use thermostat.
(iii)The resistance of current-carrying conductor is 5Ω.
If the potential difference across its end is 120V, calculate the current flowing through the conductor.

(b) (i) Describe the mechanism of inhalation in humans.
(ii) State two harmful effects smoking can have on humans.

(c). Draw the structural formulae of the isomers of C5 H12 and name each of them.

(d) State three reasons for keeping farm records.

a)(i) What is a polymer?
(ii) Give one example each of the following:
(a) natural polymer;
(b) synthetic polymer.

(b) Explain each of the following terms as applied to poultry production:
(i) culling
(ii) brooding.

(c) Give three uses of a computer in a school.

(d) (i) What is lymph?
(ii) State two functions of lymph.

(e) (i) State the principle of flotation.
(ii) Explain the principle underlying the flying of paper kite.

4. (a)State two functions each of the following organs associated with digestion;
(ii) pancreas.

(b) (i)Name two sources of protein for feeding farm animals.
(ii)State two reasons for castrating farm animals.

(c) (i) Distinguish between real image and virtual image.
(ii) An object is placed 20.0 cm in front of a converging lens of focal length 15.0 cm.
(a) Draw a ray diagram to show the position of the object.
(b) Calculate the image distance.

(d)(i) Why is it necessary to soften water before it is used in laundries?
(ii) Describe one method by which permanent hardness of water can be removed.

5.(a)(i) Name two gases that are air pollutants.
(ii) Describe briefly how a gaseous air pollutant may be spread by a moving mass of air.

(b) (i) Explain how covalent bonds are formed.
(ii) Give one examples each of covalent and ionic compounds.

(c)(i) Give the names of three different joints found in humans.
(ii) Name one part of the human body where each type of joint you have named could be found.

(d)(i) What is malnutrition?
(ii) State three effects of malnutrition:

6. (a) State four functions of the World Health Organization.

(b) Give four factors that influence the choice of site for a fish-pond.

(c)(i)Water of mass 1.5 kg is heated from 20 °C. Calculate the amount of heat absorbed. [Specific heat capacity of water = 4200J kg -1]

READ: 2022 WASSCE Core Mathematics Questions for Candidates

(ii)A glass bottle filled with water to the brim, corked and placed in a freezer cracks after freezing. Explain this observation.

(d)(i)Explain briefly why
(a) aluminium containers should not come in contact with soap.
(b) iron filings exposed to moist air rust faster than iron nails under the same condition.
(ii)State three methods of preventing rusting.


We hope these 2022 WASSCE Biology Questions for Candidates were useful to you.

One thought on “2022 WASSCE Biology Questions for Candidates – Solve These

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