Classification and Diversity of Living Things: JAMB Biology Questions, Answers & Notes

What Classification and Diversity of Living Things covers in the JAMB Biology syllabus

Classification (taxonomy) organises living things into groups. Each organism gets a two-part Latin name (binomial nomenclature: genus + species). The hierarchy runs kingdom → phylum → class → order → family → genus → species (kingdom largest, species smallest — a species being organisms that interbreed to give fertile offspring). The five kingdoms are Monera (bacteria, prokaryotic), Protista (e.g. Amoeba), Fungi (mushrooms, yeasts), Plantae (including seedless ferns and seed-bearing gymnosperms and flowering angiosperms) and Animalia (invertebrates like arthropods, and vertebrates — fish, amphibians, reptiles, birds with feathers, mammals with hair and milk). A dichotomous key identifies organisms via paired contrasting features.

For Classification and Diversity of Living Things, JAMB expects you to be able to:

• Explain taxonomy, binomial nomenclature and the classification hierarchy
• Describe the five kingdoms and key features of major groups
• Distinguish vertebrates/invertebrates and seed/non-seed plants

Key facts & revision notes: Classification and Diversity of Living Things

These are the recurring points our Classification and Diversity of Living Things questions test — revise them until each feels automatic, then practise the questions above to lock them in.

• Taxonomy is the science of naming and classifying living organisms.
• Binomial nomenclature gives each organism a two-part Latin name: genus and species.
• The kingdom is the largest taxonomic group; the species is the smallest.
• Bacteria are single-celled prokaryotes placed in the kingdom Monera.
• bacteria) lack a membrane-bound nucleus; eukaryotes have one.
• Mushrooms, moulds and yeasts are members of the kingdom Fungi.
• Viruses are non-cellular and can only reproduce inside a living host cell.
• A species is a group of organisms that can interbreed to produce fertile offspring.
• Protozoans such as Amoeba and Paramecium belong to the kingdom Protista.
• Vertebrates have a backbone (vertebral column); invertebrates do not.
• Arthropods have jointed legs and an exoskeleton (insects, arachnids, crustaceans).
• Flowering plants that produce seeds enclosed in fruits are angiosperms.
• Ferns reproduce by spores, not seeds; angiosperms and gymnosperms are seed plants.
• The order is kingdom → phylum → class → order → family → genus → species.
• Mammals have hair/fur and mammary glands that produce milk for their young.
• Birds are the only animals with feathers.
• frogs, toads) live part of their life in water and part on land.
• A dichotomous key identifies organisms through a series of paired, contrasting choices.
• Green plants belong to the kingdom Plantae.
• Fish breathe using gills to extract dissolved oxygen from water.
• Species is the most specific classification level.
• The first name in binomial nomenclature is the genus.
• Binomial names use Latin.
• Eukaryotes have a true nucleus.

Worked examples

Three Classification and Diversity of Living Things questions with the answer and a short explanation, so you can see how the topic is set before you practise the full set.

How Classification and Diversity of Living Things is tested in JAMB Biology

Our Classification and Diversity of Living Things bank holds 40 questions (5 easy, 22 medium, 13 hard). JAMB Biology typically returns to Classification and Diversity of Living Things 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 Classification and Diversity of Living Things 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 Classification and Diversity of Living Things. 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 Classification and Diversity of Living Things is repeated timed practice, so use the button above until the recurring patterns feel automatic.

Common mistakes to avoid in Classification and Diversity of Living Things

The errors that cost marks on Classification and Diversity of Living Things 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 Classification and Diversity of Living Things actively by answering questions, not just by re-reading notes — recall under time is what the exam rewards.

Frequently asked questions

Is Classification and Diversity of Living Things part of the JAMB Biology syllabus?

Yes. Classification and Diversity of Living Things is a recognised topic in the JAMB Biology syllabus, covering explain taxonomy, binomial nomenclature and the classification hierarchy. You should be able to recall its key facts and apply them to multiple-choice questions.

How many Classification and Diversity of Living Things questions can I practise on Belmadeng?

There are 40 original, JAMB-standard Classification and Diversity of Living Things 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 Classification and Diversity of Living Things?

Classification (taxonomy) organises living things into groups. Each organism gets a two-part Latin name (binomial nomenclature: genus + species). The hierarchy runs kingdom → phylum → class → order → family → genus → species (kingdom largest, species smallest — a species being organisms that interbr…

How do I answer Classification and Diversity of Living Things questions quickly in JAMB?

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

Are these JAMB Biology Classification and Diversity of Living Things 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 Classification and Diversity of Living Things questions free without signing up?

Right here — tap “Start Classification and Diversity of Living Things 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.