2022 WAEC GCE Biology Questions and Answers [Obj/Theory] Out

Free WAEC Biology GCE Obj/Theory questions and answers for the  2022. Welcome to WAEC Biology Questions and Answers for the year 2022. WAEC GCE Biology Objective and Theory Answers, WAEC Biology Essay 2022, WAEC GCE 2022 Biology, and the hints you need to pass your WAEC GCE Biology exam with ease are all available here.

2022 WAEC GCE Biology Obj/Theory Questions and Answers is Out

Questions and Answers for WAEC GCE Biology Essays and Objectives 2022 (Expo)

During the WAEC GCE Biology examination in 2022, the WAEC GCE Biology exhibition will be uploaded here. For the answers, keep checking and reloading this page.

Also Read: WAEC GCE Food and Nutrition Practical Expo – Questions and Answers

Today’s WAEC GCE Biology Answers Jan/Feb 2022

GCE Biology Answers for Today:

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Note: The answers below are for November/December 2020. The January/February 2021 answers will be available soon.

2021 WAEC GCE Biology Questions and Answers

No (1b)

i. Growth and development. Mitosis is utilized to expand an embryo after meiosis has created a gamete and it has merged with another gamete to form an embryo.

ii.Replacement of a cell….

Asexual reproduction (iii).

Questions(3a)

Also Read: Expo: WAEC GCE Mathematics Questions and Answers

TABULATE

EXAMPLE Commensalism – Sharks and remora fish, Tigers and golden jackals || BIOLOGY ASSOCIATION

Mutualism between bees and flowers, and humans and intestinal bacteria

Humans and tapeworms, cows and ticks are all examples of parasitism.

Rainbow trout, dandevon cactus, and tarantulas are examples of neutral species.

Questions(3b)

Pollution is the introduction of dangerous chemicals or substances into our environment, resulting in negative consequences.

Questions(3ci)

It contributes to global warming and has a large carbon footprint.

Questions(3cii)

(i)It contributes to global climate change (ii)It emits mercury, a neurotoxin, and carbon dioxide.

Questions(3ciii)

(i) When it spills in aquatic bodies, it kills aquatic life; (ii)When it spills on land, it reduces food productivity.

Questions (6a)

(I) Dominance refers to one or more species exerting a significant controlling impact over all other species as a result of their number, size, productivity, or associated activities.

(ii) Population size: The number of individual organisms in a population is referred to as population size.

(iii) Density: This refers to the quantity of live creatures per unit of surface area or volume.

         Questions No (6b)

(I) Although a frog has lungs, it also breathes through its skin.

(ii) They have webbed feet, which aid in swimming; (iii) They have long and powerful hind limbs, which aid in leaping and grabbing prey.

This is a mismatched blood transfusion (6c) (I) The blood will agglutinate, resulting in death. In this case, the patient’s body produces antibodies that target the new blood cells, causing a reaction known as hemolytic transfusion reaction.

(ii) The blood of the patient is checked in order to find a match for transfusion.

(iii) Variation that is not continuous

(iv) Obtaining information on the patient’s rhesus factor and blood group, both of which are required for a successful blood transfusion.

         (No 6dii)

I Bacteria (ii) Plants (iii) Animals (6di)

I Nitrosomoners (ii) Nitrobacta (iii) Fungi

No (6e)

I Cook the food thoroughly (ii) Always cover the food (iii) Maintain a clean atmosphere

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