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.

80 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

80 questions
Question 1 of 20 80 total questions
Question 1
jamb 2019

A flowering plant having both the male and female flowers on the same plant is said to be

ARegular
BIrregular
CMonoecious
DDioecious
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Question 2
jamb 2019

Thunderstorm can be beneficial to plants because it

Aadds line to the soil
Bkills the pest that attacks crops
Cdestroys some of the major crops
Dadds nitrate to the soil
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Question 3
jamb 2019

The study which involves the inter-relationship between groups of organisms or species of organisms living together in an area is

AAutecology
BEcological niche
CSynecology
DEcosphere
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Question 4
jamb 2019

Which of the following organs can be considered vestigial in humans but functional in other mammals

AThe liver
BAppendix
CRectum
DStomach
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Question 5
jamb 2019

The basis of growth involves the following processes except

ACell reduction
BCell division
CCell enlargement
DCell differentiation
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Question 6
jamb 2019

In the theory of use and disuse Lamarck proposed that evolution occurred because of the following except

AThere is natural selection of offspring
BThere is great changes in the environment
COrganism develop specialised characters
DThe characters are inheritable
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Question 7
jamb 2019

In an ecosystem, the organism which changes light energy into stored chemical energy is the

AConsumer
BProducer
CDecomposer
DCarnivore
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Question 8
jamb 2019

Which of the following statement is correct about Southern Guinea Savanna in Nigeria

AIt is the largest of all the biotic community in Nigeria
BIt has no plants species
CIt has plants species like Iroko, Opepe etc
DIt has no trees
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Question 9
jamb 2019

What type of vertebrate assists in breathing alongside with the ribs?

ASacral
BCaudal
CThoracic
DLumber
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Question 10
jamb 2019

Which of the following factors is not considered in a terrestial habitat?

ATemperature
BSunlight
CHumidity
DTurbidity
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Question 11
jamb 2019

One of the following is an effect of clay soil on vegetation

ASupports luxuriant vegetation such as forest
BSupports scanty vegetation
CDoes not support light vegetation
DSupport arid vegetation
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Question 12
jamb 2019

Which of the following is an example of continous variation?

AHuman blood groups
BSex difference in human
CHaemoglobin types
DHeight in humans
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Question 13
jamb 2019

The following processes are involved during expiration in man except

AThe inter costal muscles relax
BThe thoracic cavity first increases in volume
CThe sternum moves inward
DThe ribs are moved downwards and inwards
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Question 14
jamb 2019

Ecology is best defined as the study of

AThe characteristics of an environment
BThe inter-relationship between living organisms and the environment
CLiving organisms in a particular area
DThe habitats and wild life
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Question 15
jamb 2019

One of the following is not the theory of natural selection stated by Charles Dawin

ACharacteristics acquired through use or disuse are transmitted offspring
BVariations appear by themselves in a population
CHeredity variations are transmitted to offspring
DSpecies that are the fittest for the environment contribute more offsprings to the next needs of the generation
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Question 16
jamb 2019

The glomerular filtrate contains the following except

AWater
BUrea
CBlood Corpuscles
DGlucose
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Question 17
jamb 2019

Which of the following statement describes an autonomic nervous system

AIt always stimulates effectors
BActivities are voluntary
CIt dials with external stimuli and their responses
DIt affects glands, cardia muscles and smooth muscles
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Question 18
jamb 2019

Which of the following controls all voluntary actions

AOlfactory lobes
BCerebrum
CHypothalamus
DPons varolii
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Question 19
jamb 2019

Which of the following will have the least effect on the rate of change of the numbers in a population

AMutation
BFood Supply
CDisease
DPredation
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Question 20
jamb 2019

The association between two organisms living together in which only one benefits from the association while the other is neither benefited nor harmed is

APredation
BCompetition
CCommensalism
DDispersal
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