WAEC Biology Past Questions and Answers 2022
2021 NATIONAL EXAMINATION COUNCIL (NECO)
WAEC Biology Past Questions and Answers 2022
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A past paper is an examination paper from a previous year or previous years, usually used either for exam practice or for tests such as University of Oxford, University of Cambridge College Collections.
Exam candidates find past papers valuable in test preparation. Some organizations responsible for holding exams have made past exam papers commercially available by either publishing the papers by themselves or licensing a publisher to do the same
Previous year question papers are to assess student’s brilliancy and capabilities. Students who are preparing for competition exams generally look for past papers. These question papers will help you to have an idea about the main exam. Students generally find these past papers as private websites reveal more information than the official websites.
Are you in your last stage of Secondary School Education (May/June) or not in the School system (GCE)? If yes, you can now download West African Senior School Certificate Examination (WASSCE) past papers to assist you with your studies.
The importance of using past questions in preparing for your West African Senior School Certificate Examination (WASSCE), cannot be over emphasized. By using past exam papers as part of your preparation, you can find out what you already know and at the same time also find out what you do not know well enough or don’t know at all.
Here are the WAEC Biology Past Questions and Answers 2022. You will see WAEC Biology goal, hypothesis, and trial of oral inquiries free of charge. You will likewise comprehend how WAEC Biology inquiries are set and everything about the need to be familiar with the WAEC Government assessment.
Are you interested in WAEC Biology Past Questions and Answers 2022 for 2022/2023? or have you been asking WAEC Biology Past Questions and Answers 2022/2023? If yes, this blog post is for you as it contains all you need to know about the WAEC Biology Past Questions and Answers 2022.
Animals move from one place to another:
(i) In search of food.
(ii) In search of mates.
(iii) In search of shelter.
(iv) To escape from enemies or predators.
(i) Phloem conducts food substances downward to other tissues in the root of plants.
(ii) Lead helps plants to transpire and undergo photosynthesis.
(iii) Xylem transports water and dissolved mineral salts upwards through the vascular bundle.
(iv) The primary function of a flower is for reproduction
(i) Small or no leaves to prevent evaporation.
(ii) Thorns for protection against animals seeking stored water.
(iii) Ability to quickly absorb water whenever available.
(i) It ensures that the diploid condition of the cell is retained from generation to generation.
(ii) As cells undergo miotic division, growth occurs.
Light rays from an object enter the eye through the cornea. The light rays are refracted by the convex cornea and passed through the aqueous humor which further bends the light rays before entering the lens through the pupil. The lens further bends the light rays and focuses them on the retina.
The light are converted into electrical impulses which are sent through the optic nerve to the optic lobes of the brain where they are correctly interpreted.
(i) Evidence from comparative anatomy
(ii) Evidence from vestigial organs.
(iii) Evidence from fossils.
(i) Bony sockets
(ii) Eye brows
Excretion is the removal of waste products of metabolism which are harmful or would in time interfere with normal functions of organisms.
Competition is a biological interaction between organisms of the same species or different species for the same resources which are in limited supply such as food, space or mates.
Deforestation is the cutting down of forest trees on a land.
Draw the diagram
(i) Meiosis – Four daughter cells.
(ii) Mitosis – Two daughter cells.
(i) It permits variability of individuals, which enhances survival in new environment.
(ii) It permits new species formation.
(iii) It permits the production of hybrids for some desirable traits.
The relationship between Remora and Shark is commensalism. Remora attaches itself to the underside of a shark and feeds on scraps of sharks food. The shark neither benefits nor suffers in any respect.
Symptoms of covid-19 are:
[Pick Any Three]
(ii) Dry cough
(iv) Difficulty in breathing.
Renal vein carries blood from the kidney to the inferior vena cava.
Ecological niche at a species refers to its life style, how it lives, what it does, or how it interacts with other members of its habitat.
Population density is the member of individuals per unit area or volume at a particular time eg the number of human inhabitants per square kilometre.
A climax community the final stage of biotic succession attainable by a plant community in an area under the environmental conditions present at a particular time. The species composition of the climax community remains the same because all the species present successfully reproduce themselves and invading species fail to gain a foothold.
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