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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
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Past Questions

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Question 1 of 20 2,099 total questions
Question 71
waec 2023

The diagram above is an illustration of a mango leaf drawn by a student in a Biology test. The student failed the test. Study it and answer the question.

The likely reason why the student failed the test was that the

Alabels were wrong and the guidelines were not touching the structures
Bnet venation shown were few, rough, not properly drawn and wrongly placed
Cleaf venation should have been parallel and the midrib should be thicker
Dleaf was too tapered at the apex, the leaf stalk was too short and the shape of leaf was wrong.
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Question 72
waec 2023

The structure that its action could result in choking when talking and eating at the same time is

Aoesophagus
Bepiglottis
Cpharynx
Dliver
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Question 73
waec 2023

Growth in animals differs from that in plants because growth in

Aplants is indefinite
Bplants is intercalary
Canimals is apical
Dplants is from within
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Question 74
waec 2023

The diagrams above are illustrations of forms in which a particular group of organisms exist. Study them and answer the question.
in which of the illustrated forms does the organism that causes cholera exist?

AIII
BII
CIV
DV
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Question 75
waec 2023

The diagrams above are illustrations of forms in which a particular group of organisms exist. Study them and answer the question.

Which group of organisms is illustrated?

Aprotozoa
Bviruses
Cfungi
Dbacteria
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Question 76
waec 2023

The food substance that would produce the highest amount of energy is

Aprotein
Bamino acid
Cfat
Dglucose
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Question 77
waec 2023

Which of the following activities is against the conservation of natural resources?

AContour ploughing
Bestablishment of game reserves
Cdeforestation
Dafforestation
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Question 78
waec 2023

Organisms that feed on dead, decaying tissues of other organisms are known as

Asaprophytes
Bautotrophs
Cparasites
Dheterotrophs
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Question 79
waec 2023

The ability of organisms to maintain a constant internal environment is known as

Adiuresis
Bplasmolysis
Cendosmosis
Dhomeostasis
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Question 80
waec 2023

The type of nutrition in which organisms take solid organic materials into their body is

Aparasitic
Bholozoic
Csaprophytic
Dsymbiotic
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Question 81
waec 2022

The process by which the amount of water and solutes in the blood is controlled is known as 

Ahemolysis
Bdiffusion
Cturgidity
Dosmoregulation
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Question 82
waec 2022

Diagram J is a protease while diagrams K,L,M, and N are food substances, study them and answer this question.

Protease J would react with the particular illustrated substance because enzymes? 

Ak
BL
CM
DN
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Question 83
waec 2022

Which of the following statements about sex linked traits is not correct?

Amale inherit sex linked traits from thier fathers
Bsex linked traits are more common in males
Cfemales can be carriers beacuse they can be heterozygous for the trait
Dmales are never carriers since they only recieve one sex chromosome
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Question 84
waec 2022

Which of the following statements best describes a test cross?

Ato determine the genotype of an individual whose phenotype is to be known
Bto determine the phenotype of an individual whose genotype is known
Cbetween the progeny of parents to ascertain external expressions
Dbetween two homozygous recessive individuals to confirm the genotypes
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Question 85
waec 2022

Two tall plants were crossed and all the F1 plants were tall. when the F1 plants were selfed, some of the F2 plants were tall while others were short what are the possible genotypes of the original plants ? 

ATt and tt
BTT and TT
Ctt and tt
DTT and Tt
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Question 86
waec 2022

Individuals belonging to the blood group O are universal donors because ?

Aantigens are absent in thier blood cells
Bmembers of the group consitutute the highest number of humans
Cthere are no of antibodies in thier blood plasma
Dthe antigens in thier blood cells are easily destroyed
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Question 87
waec 2022

Which of the followig traits in humans is an example of physiological variation?

Askin colour
Bfingerprint
Ctongue rolling
Dheight
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Question 88
waec 2022

An accident victim was successfully transfused with blood from the father whose blood, group is AB. The blood group of the accident victim is

AB
BO
CAB
DA
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Question 89
waec 2022

The use of a lighter instead of matchsticks is a way of conserving 

Apetroleum
Bforest
Cwater
Dwildlife
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Question 90
waec 2022

The burning of farmlands ahould be discouraged because?

Adestroys organic components of the soil
Bincreases population of wild animals
Cincreases dormancy period of some seeds
Ddestroys some plant seeds
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