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The glomerular filtrate contains the following substances except?
Awater
Burea
Cblood corpuscles
Dglucose
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Question 612
waec2003
In cold condition the mammalian body reacts in the following ways except
Ashivering of the body
Bdilation of the capillaries supplying blood to the skin
Cconstriction of blood capillaries in the skin
Dincreased rate of chaemical changes in the body
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Question 613
waec2003
Which organ removes the largest the largest quantity of water from the blood?
Alung
Bintestine
Ckidney
Dskin
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Question 614
waec2003
Which of the following is not correct about human cell?
AThe basic unit of living thing is the human cell
BAll living organisms are either single or group of cell(s)
CAll the cells in organism are the same
DThere is no life apart from the in cell
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Question 615
waec2002
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 616
waec2002
The following are social insects except
Awasps
Btermites
Cbees
Dcotton stainer
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Question 617
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 618
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 619
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 620
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 621
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 622
waec2002
Which of the following is not a morphological variation in human beings?
ASize
BBlood groups
CColour
DFingerprints.
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Question 623
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 624
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 625
waec2002
Which of the following is a continuous variation, in human population?
ASex
BRh factor
CHeight
DDown`s syndrome
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Question 626
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 627
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 628
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 629
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 630
waec2002
Micro-organisms are important in recycling nutrients because
