Humans and the Environment: JAMB Biology Questions, Answers & Notes

What Humans and the Environment covers in the JAMB Biology syllabus

Humans interact strongly with the environment. Communicable (infectious) diseases spread between people: malaria (Plasmodium, spread by the female Anopheles mosquito), cholera and typhoid (water-borne, via contaminated water/food), and sleeping sickness (tsetse fly). A vector transmits a pathogen (mosquito, housefly, tsetse fly). Prevention uses clean water, good sanitation, mosquito nets, hygiene and immunisation. Conservation is the wise use and protection of natural resources; deforestation harms the environment while afforestation helps, and biodiversity (species variety) is protected by parks and reserves. Human activities — pollution, deforestation, overfishing, overpopulation — strain the environment, so recycling and managing renewable resources are important.

For Humans and the Environment, JAMB expects you to be able to:

• Describe common communicable diseases, their vectors and prevention
• Explain conservation, deforestation/afforestation and biodiversity
• Explain how human activities affect the environment and health

Key facts & revision notes: Humans and the Environment

These are the recurring points our Humans and the Environment questions test — revise them until each feels automatic, then practise the questions above to lock them in.

• Communicable (infectious) diseases spread from one person to another.
• Malaria is transmitted by the bite of the female Anopheles mosquito.
• Cholera and typhoid are water-borne diseases spread by contaminated water and food.
• A vector carries and transmits a pathogen from one host to another (e.g.
• The tsetse fly transmits the trypanosome parasite that causes sleeping sickness.
• Clean water, proper sewage disposal and good sanitation prevent water-borne diseases.
• Preventing mosquito bites (nets, repellents) and clearing breeding sites controls malaria.
• Conservation is the careful management and protection of natural resources.
• Deforestation is the clearing of forests without replacement, harming the environment.
• Afforestation is planting trees where there was no forest, helping the environment.
• Biodiversity is the variety of different species of living organisms in an area.
• Overhunting and overfishing, along with pollution and deforestation, harm the environment.
• National parks and reserves protect wildlife and their habitats (conservation).
• Good nutrition, exercise and hygiene help maintain health and prevent disease.
• Vaccination stimulates the body to develop immunity against a specific disease.
• Good waste and sewage disposal prevents the spread of communicable diseases like cholera.
• A large, growing population increases demand for food, water, land and resources, straining the environment.
• Houseflies carry germs from filth/faeces onto food, spreading diseases like dysentery and typhoid.
• Recycling conserves natural resources and reduces waste and pollution.
• Renewable resources (forests, water, wildlife) can be replenished if managed wisely; fossil fuels cannot.
• Nutrient shortages cause deficiency diseases.
• The female Anopheles mosquito spreads malaria.
• Disease-causing microbes are pathogens.
• These are airborne, droplet-spread diseases.

Worked examples

Three Humans and the Environment questions with the answer and a short explanation, so you can see how the topic is set before you practise the full set.

How Humans and the Environment is tested in JAMB Biology

Our Humans and the Environment bank holds 40 questions (2 easy, 30 medium, 8 hard). JAMB Biology typically returns to Humans and the Environment year after year, so steady practice on this topic is high-value revision. Questions are multiple-choice with four options, and at UTME pace you get roughly 40 seconds each — which is why timed practice matters.

How to answer Humans and the Environment questions

Work the stem first and predict the answer before you look at the options; then eliminate the ones that contradict the key facts above. Watch for “which is not…”, “all of the above” and “except” style stems, which are where rushed candidates lose easy marks on Humans and the Environment. If a calculation or a precise definition is involved, work it from first principles rather than guessing from a half-remembered rule. When two options look right, re-read the stem for the qualifier that separates them — JAMB rarely repeats an option by accident. If you are still unsure, eliminate the two weakest choices to lift your odds, flag the question, and move on; never burn a full minute on one Biology item when the exam gives you about forty seconds each. Then come back to flagged questions with whatever time remains. The single most reliable way to get faster at Humans and the Environment is repeated timed practice, so use the button above until the recurring patterns feel automatic.

Common mistakes to avoid in Humans and the Environment

The errors that cost marks on Humans and the Environment are usually careless rather than conceptual: misreading a negative stem, confusing two similar terms, or rushing a definition you actually know. Candidates also over-rely on “expo” and last-minute cramming instead of understanding the topic — which fails the moment JAMB rephrases a familiar idea. Treat every option as a claim to be checked against the facts above, keep your working tidy for any calculation, and don’t change a considered answer on a hunch. Above all, revise Humans and the Environment actively by answering questions, not just by re-reading notes — recall under time is what the exam rewards.

Frequently asked questions

Is Humans and the Environment part of the JAMB Biology syllabus?

Yes. Humans and the Environment is a recognised topic in the JAMB Biology syllabus, covering describe common communicable diseases, their vectors and prevention. You should be able to recall its key facts and apply them to multiple-choice questions.

How many Humans and the Environment questions can I practise on Belmadeng?

There are 40 original, JAMB-standard Humans and the Environment questions in our free bank, each with the correct answer and a worked explanation. You can practise them untimed or as a timed test.

What are the most important points to know about Humans and the Environment?

Humans interact strongly with the environment. Communicable (infectious) diseases spread between people: malaria (Plasmodium, spread by the female Anopheles mosquito), cholera and typhoid (water-borne, via contaminated water/food), and sleeping sickness (tsetse fly). A vector transmits a pathogen (m…

How do I answer Humans and the Environment questions quickly in JAMB?

Read the stem carefully, eliminate clearly wrong options, and match the remaining choices to the key facts for Humans and the Environment. Practising timed Humans and the Environment questions builds the speed you need for UTME's pace of about 40 seconds per question.

Are these JAMB Biology Humans and the Environment questions past questions or original?

They are original questions written to JAMB (UTME) standard and mapped to the official syllabus — not reproduced past papers. This keeps them legal to use freely while closely mirroring how the real exam tests the topic.

Where can I practise Humans and the Environment questions free without signing up?

Right here — tap “Start Humans and the Environment practice” on this page to begin instantly. Belmadeng's CBT practice is completely free and needs no sign-up, download or subscription.

About these questions: original, JAMB-standard items written from the official UTME Biology syllabus (last reviewed 2026-09-18). Belmadeng is an independent study platform and is not affiliated with JAMB. Spotted an error? Use the report link.