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Which of the following is the carrier of hereditary materials?
ACentriole
BCytoplasm
CNucleolus
DChromosome
ELysosome
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Question 852
waec1994
In human beings the albino trait it recessive and the normal skin colour is dominant. Therefore the probability
of parent’s that are heterozygous for albinism, having an albino child
A1\4
B1\2
C1\3
D2\3
E1
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Question 853
waec1994
Which of the following terms is not associated with finger prints?
AArch
BLoop
CSuture
DWhorl
ECompound
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Question 854
waec1994
Which of the following structural features adapts Drosera (Sundew) to its carnivorous mode of nutrition?
ALong root with glandular hairs
BClub-shaped glandular hairs on leaves
CProminent lenticel on the stem
DBroad leaves with long spines
EWide stomata under the leaves
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Question 855
waec1994
Which of the following is not a condition necessary for germination to occur in most seeds?
AWater
BAir
CActivation of enzymes
DTemperature
ESoil fertility
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Question 856
waec1994
The control of water and salt requirements of the body in order to maintain a stable internal environment
is known as
Aosmosis
Bexcretion
Cplasmolysis
Dultrafiltration
Ehomeostasis
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Question 857
waec1994
Which of the following structural features in animals does not affect control of body temperature?
AScales
BSkin
Cfur
DCapillaries
EFeathers
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Question 858
waec1994
Which of the following plant diseases is indicated when grains of cereals are covered with a mass of
spores?
ASmut
BMosaic
CMaize streak
DFungal blast
ERust
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Question 859
waec1994
which of the following is not a conservable natural resource?
AWater
BSunlight
CForest
DSoil
EMinerals
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Question 860
waec1994
Which of the following is not a continuous variation?
AHeight of plants
BSkin colour
CAbility to roll tongue
DLength of fingers
ELeaf size.
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Question 861
waec1994
Spermatogenesis and Oogenesis are both terms used to describe
Amitosis
Bmeiosis
Cmating
Dimplantation
Egametogenesis
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Question 862
waec1994
Which pair of structures contributes to balance in mammals?
AUtriculus and Sacculus
BMalleus and Stapes
CSacculus and cochlea
DUtriculus and pinna
EFenestra ovalis and sacculus
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Question 863
waec1994
Which of the following is not a pollution control measure?
APenalising those who dump refuse on water or land
BControlling the emission of smoke from automobiles and industries
CEnsuring that there is no spillage of oil.
DEstablishing government agencies like Federal Environmental Protection Agency (FEPA)
EChannelling sewage into streams
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Question 864
waec1994
In which of the following organisms is the siphon found?
ATadpole
BPupa of mosquito
CTilapia
DCrayfish
EButterfly
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Question 865
waec1994
The structure labelled V is the
Amitochondrion
Bribosome
Cnucleus
Dcentriole
Enucleolus
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Question 866
waec1994
The structure that produces the energy required by the cell is labelled
AI
BII
CIII
DIV
EV
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Question 867
waec1994
The gradual, cumulative, adaptive and heritable changes in an organism over a long period of time resulting
in emergence of new species is known as
Aadaption
Bsurvival
Cregeneration
Dvariation
Eorganic evolution
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Question 868
waec1994
Which of the following does not imply attempt at conservation?
ALimit on the size of nets used in fishing
BLimit on the size of vessels to be used in fishing
CProhibition of hunting or fishing at a certain season
DPrudent management of natural resources
ERetraining from the use of the natural resource
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Question 869
waec1994
Which of the following is the least safe method of birth control? Using
Aspermicide creams
Bcontraceptive pills
Cbarriers such as condoms
Dintrauterine device
Ethe withdrawal method
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Question 870
waec1994
The deficiency of calcium in a plant may result in
Astunted growth and poor root development
Bpoor growth, leaves become orange or brown
Cstunted growth, slender stem and yellowing of leaves
