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.
Which of the following can be considered as a direct evidence of evolution?
AClassification
BComparative anatomy
CComparative embryology
DFossil record
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Question 2
waec2002
The following are social insects except
Awasps
Btermites
Cbees
Dcotton stainer
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Question 3
waec2002
Which of the following is an adaptation by plants to reduce the rate of water loss in a dry habitat? Possession of
Aa few sunken stomata on the lower epidermis only
Blong leaf tendrils
Cleaves with serrated edges
Dstrong tap root
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Question 4
waec2002
The genes affecting the same trait and are located at the same position on the homologous chromosomes
are called
Aautosomes
Balleles
Cloci
Dchromatids
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Question 5
waec2002
A man with heterozygous genotype for blood group B marries a woman with heterozygous A, what percentage
(%) of their children would be universal donor?
A50%
B25%
C15%
D10%
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Question 6
waec2002
In humans, sex is determined by
Atwo homologous chromosomes
Ba dominant gene for maleness present in a male
Ctwo similar sex chromosomes in the male and dissimilar in the female
Dthe differences in the nature of the X and Y chromosomes in the male.
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Question 7
waec2002
The name given to a sudden change in a gene or chromosome that can be passed on to the offspring is
Ainheritance
Blinkage
Calleles
Dmutation
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Question 8
waec2002
Which of the following is not a morphological variation in human beings?
ASize
BBlood groups
CColour
DFingerprints.
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Question 9
waec2002
When Mendel crossed round seeds with wrinkled seeds of Pea Plant, what was the ratio of wrinkled seeds
to round seeds in the F2 plants?
A3 : 1
B2 : 1
C1 : 3
D1 : 2
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Question 10
waec2002
Which of the following statements about blood groups in human is not correct?
ASiblings may not belong to the same blood group
BThere are four possible blood groups
CPeople with blood group O can receive blood from all other groups
DPeople with blood group AB are universal recipients
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Question 11
waec2002
Which of the following is a continuous variation, in human population?
ASex
BRh factor
CHeight
DDown`s syndrome
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Question 12
waec2002
Some species of animals and plants are considered as endangered, because
Athey are found in large numbers in most habitats
Bthey are harmful to theta natural habitats
Ctheir populations have become so small that they may soon die out
Dthey should be killed or only kept in cages
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Question 13
waec2002
Which of these statements is true about fingerprint patterns?
AConsistent for a lifetime
BMay be exactly the same for two individuals
CProminent only at puberty
DCorrelate with the individual blood group
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Question 14
waec2002
Wildlife conservation is enhanced by
Aenacting laws to encourage poaching
Bdiscouraging elimination of endangered species
Cencouraging creation of satellite hunting unit
Dsuppressing the activities of wildlife conservation agencies
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Question 15
waec2002
A vegetable farmer will benefit from a cattle rearer if
Athe faecal remains of the cattle are made available to the farmer
Bthe farmer makes available fresh green vegetables for consumption by the cattle daily.
Cthe farmer provides shelter for the cattle and the cattle rearer
Dthe cattle rearer makes available meat to the farmer daily
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Question 16
waec2002
Micro-organisms are important in recycling nutrients because
Athey are capable of multiplying quickly
Bthey are eaten by large organisms
Cthey break down dead organic materials
Dmany of them are parasites
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Question 17
waec2002
Measles in infants can be prevented by
Asleeping under mosquito nets
Bproviding clean water supply
Ctaking anti-malaria tablets
Dvaccinating young children
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Question 18
waec2002
The numbers in a population would rise, if there was an increase in the
Aspread of disease
Bnumber of deaths
Cnumber of predators
Damount of food available
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Question 19
waec2002
The possession of breathing roots is a characteristic of plants growing in
Amangrove swamp
Bcoastal savanna
Cguinea savanna
Dshrub biome
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Question 20
waec2002
The concave shape of a birds wing during flight, ensures that the greater air pressure under the wings will
