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 1

jamb 1985

Reabsorption of useful materials takes place in the part labelled

A1 and 3

B3 and 5

C5 and 6

D6 and 7

E2 and 4

View Explanation & Discuss

Question 2

jamb 1985

Bowman's capsule are located in the part labelled

View Explanation & Discuss

Question 3

jamb 1985

The initial volume of water poured into 60g bag of dry soil was 50ml and the amount that drained through was 35ml. The percentage water content of the fully soaked soil is therefore

A46.7

B25.0

C20.0

D30.0

E58.3

View Explanation & Discuss

Question 4

jamb 1985

Atmospheric nitrogen is directly replenished in nature through

Athe activities of denitrifying bacteria

Bthe breakdown of ammonium salts in the soil

Cthe activities of nitrifying bacteria

Dthe activities of nitrogen-fixing bacteria in root nodules

Eegestion, death and decay

View Explanation & Discuss

Question 5

jamb 1985

The origin of mineral particles in the soil is

Ahumus

Bwater

Cmicro-organisms

Dweathered rock

Eorganic matter

View Explanation & Discuss

Question 6

jamb 1985

Water retention is highest in soils which are rich in

Asand, poor in humus and devoid of clay

Bclay and sand, but poor in humus

Cclay and humus, but poor in sand

Dclay, poor in humus and devoid of sand

Esand and humus, but poor in clay

View Explanation & Discuss

Question 7

jamb 1985

Soil erosion CANNOT be controlled by

Aplanting cover crops

Bcontouring of sloping ground

Cterracing of slopes

Dlaying of mulch

Eburning of bush

View Explanation & Discuss

Question 8

jamb 1985

Tsetse fly is harmful to man because it is associated with the spread of

Ariver blindness

Bmalaria

Csleeping sickness

Dleprosy

Edysentry

View Explanation & Discuss

Question 9

jamb 1985

Which of the following is NOT caused by bacteria?

ACholera

BGonorrhoea

CTuberculosis

DOnchoceriasis

ETyphoid

View Explanation & Discuss

Question 10

jamb 1985

The primary and secondary hosts respectively of bilharzia are

Afish and man

Bman and dog

Cman and snail

Dfish and snail

View Explanation & Discuss

Question 11

jamb 1985

Which of the following food chains is in the correct sequence?

AWeeds → Tadpole → Beetles → Fish → Man

BWeeds → Tadpole → Fish → Beetles → Man

CTadpole → Beetles →Weeds → Man → Fish

DMan → Fish → Beetles → Tadpole → Weeds

EFish → Beetles → Weeds → Man → Tadpoles

View Explanation & Discuss

Question 12

jamb 1985

A relationship between living organisms which is of mutual benefit is

Aparasitism

Bsaprophtism

Cecosystem

Dsymbiosis

Ecommensalism

View Explanation & Discuss

Question 13

jamb 1985

In mammals, stimulus is transferred from the receptor muscles to the central nervous system through the

Amotor neurons

Beffector muscles

Cdendrites

Dsensory neurons

Esynapses

View Explanation & Discuss

Question 14

jamb 1985

An old man is likely to be long-sighted because age affects the

Aoptic nerves

Bretina

Cciliary muscles

Dcornea

Eaqueous humour

View Explanation & Discuss

Question 15

jamb 1985

The mammalian endocrine system is responsible for?

Atransmitting impulse

Bregulating body temperature

Cregulating osmotic pressure of blood

Dchemical co-ordination

Ethe manufacture of blood

View Explanation & Discuss

Question 16

jamb 1985

Germination which results in the cotyledons being brought above ground is called

Ahypocotyl

Bepicotyl

Cepigeal

Dhypogeal

Eplumule

View Explanation & Discuss

Question 17

jamb 1985

A young plant showing yellow leaves is likely NOT to be deficient in?

Acalcium

Bmagnesium

Cpotassium

Dboron

View Explanation & Discuss

Question 18

jamb 1985

The hereditary material in a cell is known as

AADP

BCNS

CRNA

DATP

EDNA

View Explanation & Discuss

Question 19

jamb 1985

The characters by which an organism is recognized are termed its

Aphenotype

Bgenotype

Cmorphology

Danatomy

Ephysiology

View Explanation & Discuss

Question 20

jamb 1985

Irish potato is a

Abulb

Btap root

Crhizome

Droot tuber

Estem tuber

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