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The division of labour in social insects is an example of
Astructural adaptation
Bphysiological adaptation
Ccommensalism
Dbehavioural adaptation
Ehormonal influence
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Question 882
waec1993
The changing of colour by a chameleon to that of the environment is
an example of
Aadaptive radiation
Bprotective coloration
Ccourtship display
Ddisplay of body colour
Eterritorial behaviour
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Question 883
waec1993
Which of the following does not illustrate adaptation to the
environment?
AColour changes by chameleon
BStreamline shape of fishes
CLight bones in birds
DDevelopment of big muscles by a weight lifter
EPossession of tins by fishes
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Question 884
waec1993
Which of the following is a function of the chromosome?
ATransmission of hereditary traits
BProtein synthesis
CExcretion
DEnergy production
EManufacture of enzyme
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Question 885
waec1993
Study the genetic cross above showing the inheritance of blood groups from the cross above which of the following F offspring does not
belong to the father?
AAA
BAO
COB
DOO
EAB
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Question 886
waec1993
Which of the following diseases or disorders can be prevented by the application of the knowledge of
heredity through marriage counselling?
ASickle cell anaemia
BHaemophilia
CDiabetes mellitus
DColour blindness
ERiver blindness
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Question 887
waec1993
The offspring produced when pure strains interbreed is described as
Adominance
Bphenotype
Callele
Dgenotype
Ehybrid
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Question 888
waec1993
Identical twins inherit their genes from
Athe same ovum and different sperms
Bthe same sperm and different ova
Cdifferent sperms and many ova
Dthe same ovum and the same sperm
Emany ova and many sperms
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Question 889
waec1993
One of the major criticisms against ‘Mendelian laws is that they do not recognize that
Aone trait is often controlled by many pairs of genes
Bsingle factor inheritance is never a reality
Ccomplete dominance is always possible
Dincomplete dominance is not possible
Ehybrids exist in living organisms
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Question 890
waec1993
One of the factors that must be considered for safe blood transfusion is
Asocial class of the donor
Bage of the recipient
Crhesus factors of the donor and the recipient
Dnationality of the donor
Eweight of the recipient
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Question 891
waec1993
The table below indicates the result of an experiment during which grains of different colours in two maize cobs were counted
Maize cob
White
Pink
Red
I
30
60
30
II
50
99
49
Which of the following ratios agrees with the result?
A9:3:3
B1:2:1
C1:3:1
D2:1:1
E2:3:2
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Question 892
waec1993
The following agencies are responsible for conservation of in Nigeria except
AForest department
BNigerian conservation society
CGames reserve authority
DNigerian red cross society
EMinistry of agriculture and Natural resources
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Question 893
waec1993
The largest game reserve in Nigeria is the
AKianji game reserve in Niger state
BZamfara Forest Reserve In Sokoto state
CYankari game reserve in Bauchi state
DBorgu park reserve in Niger state
EOban hill Game reserve in Cross River state
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Question 894
waec1993
Which of the following is the underlining Principle in the adoption of biological control of pests?
AKnowledge of agricultural practices by the farmer
BRelationship between plants and animals
CThe presence of poisonous chemicals in the farm
DThe relative population of plants and animals in the farm
EThe predator prey relationship in ecological community
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Question 895
waec1993
Which of the following substances cannot control the growth of harmful micro organisms?
AAntibiotics
BHypertonic salt solution
CDisinfectants
Disotonic sugar solution
EAntiseptics.
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Question 896
waec1993
The use of predators or parasites to control pests in the farm is known as
Apredator control
Bchemical control
Cbiological control
Danimal control
Eparasitic control
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Question 897
waec1993
Which of the following is not a characteristic of overcrowding in plant and animal community?
APopulation outstripping available space
BPopulation exceeding available food
CCompetition within the population
Dincrease in primary production
EPopulation increasing at the same rate as the birth rate
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Question 898
waec1993
A climax community is characterised by
Aa stable composition of plant and animal species
Brapid changes in the composition of species
Cconstant changes in appearance of the habitat
Ddifferent species occurring at different times
Egradual change in animal population
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Question 899
waec1993
Which of the following is not an adaptation of plants or animals to desert environment?
AWell developed tap root system
BSmall leaves with thick Epidermis
CStems with spike-like leaves
DMetabolic waste in the form of uric acid in some animals
EBroad leaves for storage
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Question 900
waec1993
Which of the following water pollutant may contain organisms that cause dysentery?
