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 341

jamb 2016

Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the

Aliver of humans

Breticuloendothelial cells of humans

CMalphigian tubules of mosquito

Dbrain of humans

View Explanation & Discuss

Question 342

jamb 2016

The relationship between a termite and the protozoam in its intestine is described as

Apredation

Bsaproplytism

Csymbiosis

Dparasitism

View Explanation & Discuss

Question 343

jamb 2016

In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by

Aputerfying bacteria

Bnitrogen-fixing bacteria

Cnitrifying bacteria

Ddenitrifying bacteria

View Explanation & Discuss

Question 344

jamb 2016

The sequence of the one-way gaseous exchange mechanism in a fish is

Agills ⇢ operculum ⇢ mouth

Bmouth ⇢ gills ⇢ operculum

Cmouth ⇢ operculum ⇢ gills

Doperculum ⇢ mouth ⇢ gills

View Explanation & Discuss

Question 345

jamb 2016

The adaptive importance of the nuptial flight from termite colonies is to

Aensure cross-breeding between members of one colony and another

Bdisperse the reproductives in order to establish new colonies

Cprovide abundant food for birds and other animals during the early rains

Dexpel the reproductives so as to provide enough food for other members

View Explanation & Discuss

Question 346

jamb 2016

Seed plants are divided into

Amonocoty ledons and dicotyledons

Btracheophytes and ferns

Cangiosperms and gymnosperms

Dthallophytes and bryophytes

View Explanation & Discuss

Question 347

jamb 2016

The activity of ptyalin is likely to decrease with an increase in the concentration of

Aoxygen

Bstarch

Cprotein

Dacid

View Explanation & Discuss

Question 348

jamb 2016

The function of the red head in male Agama lizards is to

Ascare other males from the territory

Bwarn predators of the distastefulness of the animal

Cattract female lizards for mating purposes

Dconceal and camouflage the animal from predators

View Explanation & Discuss

Question 349

jamb 2016

The ability of chameleon to change its colour rapidly is an adaptation for

Aobtaining food

Battraction mate

Ccommunication

Descaping detection

View Explanation & Discuss

Question 350

jamb 2016

Which of the following can cause shrinkage of living cells?

ADeionized water

BHypotonic solution

CIsotonic solution

DHypertonic solution

View Explanation & Discuss

Question 351

jamb 2016

The movement response of a cockroach away from a light source is

Anegative phototaxism

Bpositive phototaxism

Cnegative phototropism

Dpostive phototropism

View Explanation & Discuss

Question 352

jamb 2016

The theory of natural selection was postulated by

AGregor Mendel

BMatthias Schleiden

CCharles Darwin

DRobert Hook

View Explanation & Discuss

Question 353

jamb 2016

The theory of use and disuse of organs was promulgated by

AAlfred Wallace

BCharles Darwin

CJean Lamarck

DRobert Hook

View Explanation & Discuss

Question 354

jamb 2016

A collection of population of all living organisms that exist in a habitat is referred to as

Aniche

Becosystem

Ccommunity

Denvironment

View Explanation & Discuss

Question 355

jamb 2016

The micro-organisms that causes Typhoid disease is

Atrypanosome gambiense

BSalmonella typhi

Centamoeba histolytica

Dplasmodium sp

View Explanation & Discuss

Question 356

jamb 2016

The type of asexual reproduction that is common to both Paramecium and Protists is

Afragmentation

Bbudding

Csporulation

Dfission

View Explanation & Discuss

Question 357

jamb 2016

The importance of the mouth-brooding behaviour in Tilapia is that it

Ahelps in keeping the young fish warm

Baffords protection from predation for the young fish

Chelps the fish to live in a social group

Dprovides regurgitated nourishment to the young fish

View Explanation & Discuss

Question 358

jamb 2016

Which of the following is NOT a method of conserving wild life?

AIndiscriminate poaching

BEstablishment of zoological gardens

CEnacting wildlife conservation laws

DEstablishment of game reserves

View Explanation & Discuss

Question 359

jamb 2016

Which of the following pairs are social insects?

ATermite and locust

BAnts and cockroach

CCockroach and bee

DTermite and bee

View Explanation & Discuss

Question 360

jamb 2016

The vector for the malaria parasite is a

Afemale edes mosquito

Bfemale Anopheles mosquito

Cfemale culex mosquito

Dfemale culex mosquito

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