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.

2,572 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

2,572 questions

Question 1 of 20 2,572 total questions

Question 1081

jamb 1986

Oxygen liberated during photosynthesis has been demonstrated to come from

Acarbondioxide

Bair

Cwater

Dchlorophyll

View Explanation & Discuss

Question 1082

jamb 1986

The stem differs from the root in having the xylem and phloem strands

Aon the same radii

Bscattered

Con alternate radii

Dtowards the pith

View Explanation & Discuss

Question 1083

jamb 1986

The fins making up the limbs of the bony fish are

Acaudal and ventral

Bventra and pelvic

Cpelvic and pectoral

Dpectoral and dorsal

View Explanation & Discuss

Question 1084

jamb 1986

The male cockroach differs from the female by having

Amandibles

Ba pair of style

Cspiracles

Da pair of cerci

View Explanation & Discuss

Question 1085

jamb 1986

When the original king and queen of termites die, they are replaced by

Athe king and queen of another colony

Bsome adult reproductives from the same colony

Csome adult workers which are specially fed breed

Ddeveloping nymphs nurtured as secondary reproductives

View Explanation & Discuss

Question 1086

jamb 1986

Fishes are cold blooded because their body temperature is

Aconstantly low

Bconstantly high

Cdependent on that of their surroundings

Dregulated at will

View Explanation & Discuss

Question 1087

jamb 1986

Incomplete metamorphosis occurs in the

Abutterfly

Bgrasshopper

Cmosquito

Dhousefly

View Explanation & Discuss

Question 1088

jamb 1986

Which of the following lacks chaetae, tentacles and antennae?

ASnail

BCrab

CMillipede

DEarthworm

View Explanation & Discuss

Question 1089

jamb 1986

Which of the following is NOT true of spirogyra?

AReproduces by conjugation

BReproduces by fragmentation

CConsist of branched filaments

DConsist of unbranched filaments

View Explanation & Discuss

Question 1090

jamb 1986

For effective functioning of a bird's quill feather, hooks fit on the ridge of the

AVane

Brachis

Cbarbules

Dbarbs

View Explanation & Discuss

Question 1091

jamb 1986

Which of the following has cones?

AAngiosperms

BGymnosperms

CPteridophyte

DBryophyte

View Explanation & Discuss

Question 1092

jamb 1986

Which of these animals is radially symmetrical?

Asquid

BHydra

CSnail

DCockroach

View Explanation & Discuss

Question 1093

jamb 1986

Which of the following pairs are fully adapted to terrestrial life?

AFerns and algae

BFerns and mosses

CBryophytes and flowering plants

DFlowering plants and conifers

View Explanation & Discuss

Question 1094

jamb 1986

Viruses are regarded as non-living because they

Acan niether reproduce asexually nor sexually

Bcannot survive in their respective enviroments

Cdo not possess characteristics that can be transmitted from one generation to the next

Dcan neither respire nor excrete

View Explanation & Discuss

Question 1095

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 1096

jamb 1985

Bowman's capsule are located in the part labelled

View Explanation & Discuss

Question 1097

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 1098

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 1099

jamb 1985

The origin of mineral particles in the soil is

Ahumus

Bwater

Cmicro-organisms

Dweathered rock

Eorganic matter

View Explanation & Discuss

Question 1100

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 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