2022–2023 WAEC GCE Biology Exam Questions and Solutions ( Essay and Objectives)

2022–2023 WAEC GCE Biology Exam Questions and Solutions ( Essay and Objectives)
2022 WAEC Biology GCE exam questions and answers. Here are the questions and answers for the 2022 WAEC Biology in English exam. The WAEC GCE Biology Objective and Theory Answers, WAEC Biology Essay 2022, WAEC GCE 2022 Biology, and the advice you need to ace your WAEC GCE Biology test with ease are all available here.2022–2023 WAEC GCE Mathematics Exam Questions and Solutions (Theory and Objectives)
Biology Essay and Objectives Questions and Answers for the WAEC GCE in 2022 (Expo)
During the WAEC GCE Biology exam, a link to the 2022 WAEC GCE Biology Expo will be posted. For the solutions, keep checking and refreshing this page.https://bekeking.com/waec-gce-biology-questions-and-answers/
Answers for WAEC GCE Nov/Dec 2022 Biology are loading.
GCE Biology Answers for today:
Biology OBJ for GCE: Loading…….
Note: The answers below are the 2020 Nov/Dec answers.
No (1b)
i. Development and growth. After meiosis has produced a gamete, and this has fused with another gamete to form an embryo, the embryo grows using mitosis. …
ii.Cell replacement. …
iii.Asexual reproduction.
No (2)
Commensalism – Sharks and remora fish, Tigers and golden jackals
Mutualism – Bees and flowers, humans and bacteria in the gut
Parasitism – Humans and tapeworms, cows and ticks
Neutralism – Rainbow trout, and dandevon cactus and tarantulas
(3b) The introduction of harmful materials or substances into our environment, which results in negative effects, is referred to as pollution.
(i) It causes global warming
(ii) It produces a significant amount of carbon emissions
(i)It also causes local climate change
(ii) its emits mercury, a poison, along with carbon dioxide.
(i) When it leaks into waterways, aquatic life is lost.
(ii) On land, crude oil spills lower agricultural productivity.
(i)Dominance is the term used to describe the dominant controlling impact that one or more species exert over all other species as a result of their quantity, size, productivity, or associated behaviors.
(ii) Size: The number of individual organisms in a population is referred to as its size.
(iii) Density: This refers to the number of living things in a given volume or region.
(i) Frog has lungs for breathing but also breathes through its skin.
(ii) They have webbed feet, which help them to swim
(iii) They have long and strong hind limbs, which help them in leaping and catching their prey.
(i) This is a mismatched blood transfusion. The blood will agglutinate which will lead to fatality. In such a situation, a reaction known as hemolytic transfusion reaction causes the patient’s body to form antibodies that attack the new blood cells.
(ii) The patient’ blood is tested and to get a matched to be transfused.
(iii) Discontinuous variation
(iv) To know the patient’s rhesus factor and blood group which are parameters necessary for a successful blood transfusion
(i) Bacteria
(ii) Plants
(iii) Animals
(i) Nitrosomoners
(ii) Nitrobacta
(iii) Fungi
(i) Cook the food well
(ii) Always cover the food
(iii) Ensure the environment is always clean
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The questions and answers below are likely rehashed WAEC Literature questions and answers rather than exact 2022 WAEC Biology questions and answers.
These inquiries are only for practice purposes. On the day of the WAEC GCE Biology exam, a link to the 2022 WAEC GCE Biology Expo will be posted on this page. For the answers, keep checking and refreshing/reloading this page.
1. One of the following groups of animals do not possess a nervous system? (a) Porifera (b) Cnidaria (c) Platyhelminthes (d) Nematoda
2. The structural and pointed similarities in paramecium and Euglena are in the (a) Shape of locomotory organs (b) blunt anterior and pointed posterior (c) presence of micro and mega nuclei in both. (d) presence of anterior and posterior contractile vacuoles
3. One of the following organisms doesn’t exist freely on its own? (a) Chlamydomonas (b) Amoeba (c) Paramecium (d) Plasmodium
the diagram below is an illustration of an Arthropod. Study it and answer question 4
4. The Arthropod in the diagram is not an insect because it (a) has a big head that is almost equal to the “thorax. (b) has eight lets and no wings (c) does not have visible eyes on it head (d) has head, thorax and abdomen
5. One of the following cell organelles is the site for the production of ATP? (a) Lysosome (b) Nucleus (c) Mitochondrion (d) Ribosome
6. An example of osmosis in plants is the (a) movement of water through the xylem (b) loss of water vapour from stomata (c) transaction of food through the phloem (d) absorption of water from the soil by the root.
7. The organism that can carry out both autrophic and heterotrophic modes of nutrition is (a) Chlamydomonas (b) Eudorina (c) Euglena (d) Spirogyra
The diagram below illustrates a part of human skeleton. Study it and answer questions 8 to 10
8. The diagram represent the bones of the (a) upper arm (b) lower arm (c) upper leg (d) lower leg
9. Which of the labeled parts articulates with the head of the trochlea to form a hinge point? (a) I (b) II (c) III (d) IV
10. The labeled part that provides surface for  the attachment of the triceps is (a) I (b) II (c) III (d) IV
The diagram below illustrates
11. The transverse section of (a) dicotyledonous root (b) monocotyledonous root (c) dicotyledonous stem (d) monocotyledonous stem
12. One of the following actions does not occur during exhalation in man? (a) Thoracic cavity decreases in volume (b) Diaphragm flattens (c) Ribs move down and in (d) Air pressure increases in the thoracic cavity
The diagram below is an illustration of the urinary tubule in a mammal. Study it and answer question 13 to 15.
13. Which of the following substances is found in part labeled II only? (a) Lipid (b) Protein (c) Salts (d) Water
14. The part which contain the lowest concentration of urea is labeled (a) I (b) II (c) III (d) IV
15. Which of the following substances is greater in concentration in the part labeled IV when compared to that of the part labeled I? (a) Lipid (b) Glucose (c) Urea (d) Uric acid
16. Deamination of amino acids in the liver gives (a) blood sugar (b) glycogen (c) bile (d) urea
17. Which of the following glands also serves as an exocrine gland? (a) Ovary (b) Pancreas (c) Adrenal (d) Thyroid
18. One of the following sequences is the correct route of the transmission of impulses along a reflex arc?
(a) Receptor → sensory neurone → synapse intermediate neurone → synapse → motor neurone effector
(b) Receptor → motor neurone → synapse → intermediate neurone → synapse → sensory neurone → effector
(c) Effector → intermediate neurone → synapse → motor neurone → synapse →sensory neurone → receptor
(d) Effector → motor neurone → synapse → sensory neurone → synapse → intermediate neurone → receptor
19. when viewing an object that is close to the human eye, the (a) eye lens becomes thin. (b) ciliary muscles relax (c) suspensory ligaments become taut. (d) eye lens become fat
The diagram below is an illustration of the human sperm. Study it and answer questions 20 and 21
20. The part labeled I is the (a) acrosome (b) nucleus (c) mitochondrion (d) tail
21. The role of the part labeled II is to (a) fuse with the ovum during fertilization (b) generate the energy for the sperm to swim to the fallopian tube (c) help the sperm to swim forward (d) dissolve the membrane of the egg during fertilization.
22. One of the following types of placentation is not common amongst syncarpous pistils? (a) Marginal (b) Axile (c) Parietal (d) Free central
23. The complex energy-rich organic matter which living organisms require for life is (a) water (b) air (c) food (d) mineral salts
24. One of the following processes are associated with photosynthesis? I. Energy from sunlight is absorbed II Carbon dioxide is evolved III Oxygen is given off IV Glucose is synthesized.
I and II only (b) I, II and IV only (c) I, III and IV only (d) I, II, III and IV
25. One of the following roles is associated with calcium in plants? Formation of (a) Cell wall (b) Ribosomes. (c) Proteins (d) Cell membrane
WAEC GCE Biology Essay 2022
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