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.

2,099 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

2,099 questions

Question 1 of 20 2,099 total questions

Question 831

waec 1995

Which of the following is the correct chain for the organism found in an aquatic community?

AParamecium, Phytoplankton, Prawn, Waterflea, Tilapia, Shark

BWaterflea, Paramecium, Phytoplankton, Prawn, Tilapia, Shark

CPhytoplankton, Waterflea, Paramecium, Prawn, Shark, `tilapia

DPhytoplankton, Paramecium, Waterflea, Prawn, Tilapia, Shark

EParamecium, Phytoplankton, Waterfiea, Prawn, Shark, Tilapia

View Explanation & Discuss

Question 832

waec 1995

The graphs above show the results of experiments which investigated the effect of temperature and oxygen on the rate of uptake of certain ions labelled X and Y by a plant root. Use them to answer the question

Which of the temperature ranges will likely favour the plant best?

A0 -10^oC

B15.-20^oC

C30- 40^oC

D45 - 50^oC

Eabove 50^oC

View Explanation & Discuss

Question 833

waec 1995

Which of the following conclusions
cannot be drawn from the graphs?

AIon is taken up more rapidly at suitable temperature

BSuitable oxygen concentration increases ion uptake

CIon uptake requires energy from aerobic respiration of sugar

DIon uptake occurs most rapidly in adequate supply of, respiratory substrate

EThe quantity of ions absorbed is inversely proportional to the quantity of carbohydrate (sugar) synthesized.

View Explanation & Discuss

Question 834

waec 1995

Very low annual rainfall, sparse vegetation, high day temperatures and cold nights are the characteristics
of the biome known as

Aswamp

Btropical forest

Csouthern guinea savanna

Dafro alpine

Edesert

View Explanation & Discuss

Question 835

waec 1995

Which of the following is characteristics of a swamp?

AVegetation with stratified arrangement

Bmesophytes with broad leaves

CThe ground is flooded most of the time

DPredominance of climbing plants

EMany plants with tire resistant structures

View Explanation & Discuss

Question 836

waec 1995

The distribution of organisms in a fresh - water habitat like a stream or pond is determined by the following
except

Arainfall

Btemperature

CpH of soil

Dlight penetration

Etidal movements

View Explanation & Discuss

Question 837

waec 1995

Which of the following conditions is not necessary for photosynthesis to occur in plants?

AThere must be light

BThere must be xylem tissue used to conduct water

CThere must be chlorophyll to trap radiant energy

DCarbondioxide must be present

EWater must be present

View Explanation & Discuss

Question 838

waec 1995

Which of these processes removes carbon from the atmosphere?

APutrefaction of animals

BBurning of fuels

CPhotosynthesis

DVolcanic eruption

ERespiration in plants

View Explanation & Discuss

Question 839

waec 1995

At the end of photosynthesis, the green leaf is tested for starch and not glucose, because

Athe glucose is used up immediately to provide energy for the needs of the leaf

Bthe glucose formed is immediately converted to starch

Cstarch is stored only in leaves

Dthere are no chemicals for glucose test in leaves

Eit is easy to test for starch

View Explanation & Discuss

Question 840

waec 1995

Which of the following organisms has a symbiotic relationship with green algae?

AAmoeba

BParamecium

CHydra

DEuglena

EChlamydomonas

View Explanation & Discuss

Question 841

waec 1995

The series of changes that occur in a seed by which the embryo develops into a seedling is known as

Afertilization

Bgametogenesis

Cpollination

Dgermination

Eregeneration

View Explanation & Discuss

Question 842

waec 1995

Which of the following is an advantage of dispersal of fruits and seeds? It allows

Afair distribution of source of food for animals

Bgrowth in close association with parent plant

Ceven distribution of plants and reduction of intraspecific competition

Dkeen competition for food

Ethe seeds to evolve new species

View Explanation & Discuss

Question 843

waec 1995

Which of the following statements is not correct?

AShortage of food may be caused by pestilence, rinderpest and neglect of farming

BShortage of food may lead to competition, emigration, death and decline in the rate of reproduction

COver-crowding may lead to scarcity of food

DDispersal of seeds and fruits prevents overcrowding

ETerritorial defence encourages food scarcity in a habitat

View Explanation & Discuss

Question 844

waec 1995

Which of the following structures are characteristics of insect pollinated flowers?

ADull coloured flowers with no nectar

BVery light numerous and pendulous stamen

CBrightly coloured petals, scent nectar

DFlowers are usually small and inconspicuous

EStigma are large, feathery and hang outside the flower

View Explanation & Discuss

Question 845

waec 1995

The term syncarpous is used to describe a flower when the carpels are

Amany and fused

Btwo only

Ctwo and separate

Dmany and free

Elying at different parts of a flower

View Explanation & Discuss

Question 846

waec 1995

The following are directly involved in transmission of sound waves to the brain except

Aeardrum

Bauditory meatus

Cauditory ossicles

Deustachian tube

Ecochlea

View Explanation & Discuss

Question 847

waec 1995

Which of the following statements is false?

AHuman sense of smell is easily fatigued

BThe skin can perceive the sensations of touch, pain, pressure and temperature

CTaste buds and olfactory cells are active when wet as well as when dry

DSensory nerve endings receive stimuli and send to the central nervous system

ESenses of smell and taste can be weakened by catarrh or blocked nose.

View Explanation & Discuss

Question 848

waec 1995

Which of the following is the correct route of transmission of impulses along a reflex arc?

AReceptor → sensory neurone → synapse → intermediate neurone → synapse → motor neurone → effector

BReceptor → motor neutron e synapse → intermediate neurone → synapse → sensory neurone effector

CReceptor → synapse → sensory neurone → intermediate neurone → synapse → effector → motor neurone

DEffector → motor neurone → synapse → sensory neurone → synapse → intermediate neurone → receptor

EEffector → intermediate neurone → synapse → motor neurone → synapse → sensory neurone → receptor.

View Explanation & Discuss

Question 849

waec 1995

Which of the following is not a function of insulin?

AAccelerates the rate at which glucose is converted to glycogen

BPromotes the uptake of glucose by tissues

CRegulates the amount of glucose in the blood

DAccelerates the absorption of glucose at the glomerulus

EStimulates muscles to oxidize glucose.

View Explanation & Discuss

Question 850

waec 1995

Hormones are transported around the mammalian body by

Awater

Bnerves

Cblood

Dosmosis

Ediffusion

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