Classroom

Biology Past Questions

Study and practice Biology past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

50 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

Select subject

Download PHP app Ask a Question Check Syllabus Past Question Videos Topic Video Lessons

Take a test

Custom CBT

Create and set up a CBT environment with your preferred subjects.

JAMB CBT Simulator

Practice JAMB CBT with real UTME past questions in CBT format.

WAEC CBT Practice 2026 Simulator

CB-WASSCE styled past question practice.

NECO CBT Practice 2026 Simulator

SSCE & GCE styled past question practice.

Past Questions

50 questions

Question 1 of 20 50 total questions

Question 11

jamb 1983

Which of the following statements on the mammalian circulatory system is NOT true?

ABlood in the pulimonary artery is richer in oxygen content than blood in the pulmonary vein

BThe blood in the hepatic portal vein is the richest in food substance

CBlood flow is controlled by valves in the veins

DArteries are generally thicker and larger than veins

EFibrin helps in the formation of blood clot

View Explanation & Discuss

Question 12

jamb 1983

Which of the following represents the evolutionary sequence in these plants? 1. Flowering plants 2. Ferns 3. Mosses 4. Algae 5. Conifers

A2 → 1 → 4 → 3 → 5

B5 → 4 → 3 → 2 → 1

C2 → 4 → 5 → 1 →3

D3 → 2 → 4 → 5 → 1

E4 → 3 → 2 → 5 → 1

View Explanation & Discuss

Question 13

jamb 1983

which of the following diseases could be exclusively associated with river basin?

AMalaria

BSyphilis

COnchocerciasis

DCholera

EPoliomyelitis

View Explanation & Discuss

Question 14

jamb 1983

Starting from the skull end the vertebrate are arranged in the following order

Aaxis, atlas, cervical, thoracic and lumber

Batls, cervical, axis, thoracic and lumber

Catlas, axis, thoracic, cervical and lumber

Datlas, axis, cervical, thoracic and lumber

Eatlas, thoracic, cervical, axis and lumber

View Explanation & Discuss

Question 15

jamb 1983

which of these worms is beneficial to man?

AHookworm

BTapeworm

CRoundworm

DEarthworm

EGuinea worm

View Explanation & Discuss

Question 16

jamb 1983

Which of the following statements is NOT true of insectivorous plants?

AThey obtain part of their food by trapping and feeding on insects

BThey attract insects simply because of pollination

CThay can grow in soils poor in nitrogenous salts

DThey can supplement their nitrgen supply by feeding on insects

EExample include butterworts, sundews and pitcher plants

View Explanation & Discuss

Question 17

jamb 1983

The dental formula of a i(3/3); c(1/1); pm(4/4; m(2/3) = 42 represent that of a

Arabbit

Bfull grown man

Cyoung child

Ddog

Esheep

View Explanation & Discuss

Question 18

jamb 1983

In what order do the following structure develop during the metamorphosis of the toad? 1. External gills 2. Internal gills 3. Forelimbs 4.Hindlimbs 5. Mouth

A12345

B15243

C21345

D53412

E54321

View Explanation & Discuss

Question 19

jamb 1983

One disease NOT caused directly by bacteria is

Amalaria

Btuberculosis

Cpneumonia

Dtetanus

Echolera

View Explanation & Discuss

Question 20

jamb 1983

Banana, plantain and pineapple can be grouped together because they

Aproduce small seeds

Bare multiple fruit

Cproduce suckers

Dhave runners

Ehave bulbils

View Explanation & Discuss

Question 21

jamb 1983

Plants which can survive in places where the water supply is limited are

Abryophytes

Bmesophytes

Cxerophytes

Dhydrophytes

Epteridophytes

View Explanation & Discuss

Question 22

jamb 1983

An organism having one pair of identical genes is

Aa heterozygote

Ba hybride

Can allelomorph

Da homozygote

Ea diploid

View Explanation & Discuss

Question 23

jamb 1983

A centipede differs from a millipede by its

Acolour

Bnumerous abdominal segment

Cpaired legs on each abdominal segment

Dpoison claws

Ecylindrical body

View Explanation & Discuss

Question 24

jamb 1983

Which of the following diseases is NOT caused by a virus?

ARinderpest

BMaize rust

CNewcastle diseases

DSwine fever

ECassava mosaic diseases

View Explanation & Discuss

Question 25

jamb 1983

28 g soil sample was heated to a constant weight of 24 g. When further heated to red hot and cooled, it weighed 18 g. What is the percentage of humus in the soil?

A22.2

B55.6

C75.0

D25.0

E35.7

View Explanation & Discuss

Question 26

jamb 1983

What type of fruit is formed from a single flower having several carpels?

AMultipe fruit

BSimple fruit

CAggregrate fruit

DDehiscent fruit

EIndehiscent fruit

View Explanation & Discuss

Question 27

jamb 1983

Groundnut is not really a 'nut' in the biological sense because

Ait is harvested from inside the ground

Bpericarp is not hard and tough

Cthe fruit is not as hard as coconut

Dthe fruit is not succulent

Eit is an achene

View Explanation & Discuss

Question 28

jamb 1983

In the onion bulb, food is stored in the

Astem

Blateral buds

Ccotyledons

Douter scale leave

Eleaf base

View Explanation & Discuss

Question 29

jamb 1983

The part of the mammalian brain responsible for maintaining balance is the

Amedulla oblongata

Bolfactory lobe

Ccerebellum

Dcerebrum

Efrontal lobe

View Explanation & Discuss

Question 30

jamb 1983

The movement of plant in response to external stimulus of no particular direction is

Ataxism

Btropism

Chyptotropic movement

Dnastic movement

Ephototropism

View Explanation & Discuss

Question Navigator

Current

Biology Past Questions

Take a test

Custom CBT

JAMB CBT Simulator

WAEC CBT Practice 2026 Simulator

NECO CBT Practice 2026 Simulator

Past Questions

Question Navigator

MathsFaculty