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.

5,032 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

5,032 questions

Question 1 of 20 5,032 total questions

Question 511

jamb 2018

A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

Aable to carry out holozoic nutrition

Bable to carry out photosynthesis using carbon dioxide in the pond water

Cbetter adapted to life in darkness than to life in light

Dnot overcrowded

View Explanation & Discuss

Question 512

jamb 2018

A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a

AKingdom

Bclass

Cfamily

Dspecies

View Explanation & Discuss

Question 513

waec 2017

The gradual cumulative, adaptive and heritable changes in an organism over a long period of time resulting in new species is called

Aadaptation

Bsurvival

Corganic evolution

Dinterspecific competition

View Explanation & Discuss

Question 514

waec 2017

Which of the following is NOT characteristic of social insects?

AAll members are identical

BThere is division of labour

CThe members dwell in the same habitat

DSome members protect the queen

View Explanation & Discuss

Question 515

waec 2017

One of the structural adaptations of mammals for movement on land is the development of the

Ahollow bones

Bpentadactyl limb

Cfused thoracic bones

Dstreamlined body

View Explanation & Discuss

Question 516

waec 2017

Which of the following statements is true about mutation?

APhenotype is not involved

BGenotype is not involved

CArtificial induction is not possible

DGenotype is involved

View Explanation & Discuss

Question 517

waec 2017

Assuming that A is the gene for normal skin color and is dominant, while a is the gene for albinism and its recessive, what is the likely genotype of the couple which had 50% normal and 50% albino offspring?

AAA, aa

BAa, aa

CAA, Aa

DAa, Aa

View Explanation & Discuss

Question 518

waec 2017

An apple plant can produce sexually and asexually and it has 40 chromosomes in its leaf cells. How many chromosomes would be in each gamete and somatic cell?

A20 chromosomes in the gametes and 10 in the somatic cells

B40 chromosomes in the gametes and 20 in the somatic cells

C20 chromosomes in the gametes and 40 in the somatic cells

D40 chromosomes in the gametes and 40 in the somatic cells

View Explanation & Discuss

Question 519

waec 2017

Which of the following characters is not a morphological variation?

Ashape of the nose

Bcolour of skin

Ccolour of hair

Dtongue rolling

View Explanation & Discuss

Question 520

waec 2017

The type of variation illustrated above is

Acontinuous variation

Bdiscontinuous variation

Cmorphological variation

Denvironmental variation

View Explanation & Discuss

Question 521

waec 2017

Which of the following resources cannot be renewed?

AAir

BPetroleum

CFood crop

DSoil

View Explanation & Discuss

Question 522

waec 2017

Which of the following practices is not used in conserving water?

AAfforestation

BDamming

CDeforestation

DReforestation

View Explanation & Discuss

Question 523

waec 2017

The establishment of game reserves and parks is a method of

Aconserving natural resources

Bcultivating game

Ccontrolling pollution

Dcultural awareness

View Explanation & Discuss

Question 524

waec 2017

Which of the following pairs of organisms is in a mutualistic relationship?

AHydra and Sea anemone

BHermit crab and Sea anemone

CDodder plant and Cocoa plant

DMistletoe and Kolanut

View Explanation & Discuss

Question 525

waec 2017

Which of the following materials is not easily biodegradable?

APolythene bag

BCotton bag

CHides and Skin bag

DPaper bag

View Explanation & Discuss

Question 526

waec 2017

Which of the following statements is not associated with pyramids of energy?

AEfficiency of energy transfer between trophic levels can be studied

BComparisons of pyramids for different ecosystems can be made

CMore accurate comparisons of trophic levels

DRepresentation of numbers of organisms at different trophic levels

View Explanation & Discuss

Question 527

waec 2017

Which of the following pyramids gives the most accurate picture of the relationships between at the various trophic levels in a food chain? A pyramid of

Anumbers

Benergy

Cbiomass

Dsize

View Explanation & Discuss

Question 528

waec 2017

Which of the following groups of organisms do not have members that can be called autotrophs?

AProtists

BMosses

CChlorophyta

DFungi

View Explanation & Discuss

Question 529

waec 2017

Soil permeability refers to

Ahow easily water passes through the soil

Bthe proportion of air in the soil

Cthe proportion of water the soil holds

Dhow well water rises up the soil

View Explanation & Discuss

Question 530

waec 2017

Which of the following ecological factors will result in food shortage?

ADrought

BLow rate of reproduction

CEmigration

DTopography

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