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.
The following are features of the tropical rain forest except
Aabundant water supply
Bloose and moist soil
Cshort trees growing benealth tall trees
Dscanty trees with small leaves
Epresence of many animals
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Question 922
waec1992
Which of the following best describes a marine habitat?
Alarge body of water
Bwhich has no distinctive color or taste
Cwith high concentration of salt
Dwith little suspended materials
Ewith no water weed
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Question 923
waec1992
What type of relation exists between a tapeworm and an infected mammal?
ASymbiosis
BCommensalism
CPredation
DParasitism
ESaprophytism
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Question 924
waec1992
Which of the following organisms reduces nitrates in the soil to gaseous nitrogen?
AEuglena
BProtozoan
CDenitrifying bacterium
DParasitic mould
ENitrifying bacterium
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Question 925
waec1992
Which of the following mineral salts is a trace element?
AZinc
BCarbon
CHydrogen
DPotassium
ECalcium
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Question 926
waec1992
Which of the following is not a courtship behaviour exhibited by animals
APairing
BDisplay
CSeasonal migration
DHibernation
ETerritorialism
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Question 927
waec1992
The groups of sensory cells found on the upper surface of the tongue are called
Aampullae
Btaste buds
Cnerve cells
Dsomatic cells
Etactile cells
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Question 928
waec1992
When an axon is at rest, the concentration of ions on either side of the membrane are different. Which of the following is correct about the concentrations of ions on either side of the membrane?
AThere is an excess of potassium ions inside the axon and an excess of sodium ions outside
BThe inside of the axon becomes positively charged while the outside is negatively charged
CThere is an excess of sodium ions on the inner side of the axon
DChloride and potassium ions begin to move acrossthe membrane
ECalcium ions accumulate on the upper side of the axon
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Question 929
waec1992
Which of the following is a structures functions as an excretory system found in flatworm?
AContractile vacuole
BNephridium
CFlame cell
DMalpighiam tubule
EKidney
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Question 930
waec1992
Ultrafiltration in the kidney takes place in the
Aloop of Henle
Brenal vein
CBowman's capsule
Dpelvis
Epyramid
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Question 931
waec1992
Which of the following organs is associated with deamination of proteins?
Alung
Bstomach
Ckidney
Dliver
Eheart
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Question 932
waec1992
The respiratory organ found in the cockroach is the
Aair sac
Btrachea
Clung book
Dlung
Egill
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Question 933
waec1992
The conditions that ensure successful exchange of gases in multicellular organisms include the following except
Aconcentration gradient across the respiratory surface
Bpresence of thin membrane as the respiratory surface
Clast transportation of absorbed gases
Dpresence of larg surface area of the respiratory organ
Epresence of small, dry surface area of the respiratory organ
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Question 934
waec1992
The conditions that ensure successful exchange of gases in multicellular organisms include the following except
Aconcentration gradient across the respiratory surface
Bpresence of thin membrane as the respiratory surface
Clast transportation of absorbed gases
Dpresence of large surface area of the respiratory organ
Epresence of small, dry surface area of the respiratory organ
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Question 935
waec1992
Which of the following blood vessels carries oxygenated blood into the heart?
APulmonary vein
BAnterior vena cava
CPulmonary artery
DAorta
EPosterior vena cava
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Question 936
waec1992
Which of the following is the medium of transportation of nutrients with unicellular organisms?
ABlood
BSerum
CProtoplasm
DPlasma
Elymph
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Question 937
waec1992
Which of the following diseases is caused by deficiency of insulin in the body?
AMalaria
BDiabetes mellitus
CHepatitis
DGonorrhoea
ECholera
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Question 938
waec1992
In which of the following parts of a cell is the chromosome fund?
ANucleus
BGolgi body
CCytoplasm
DCell membrane
ECell wall
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Question 939
waec1992
The first scientist to describe the cell was
ATheodor Schwann
BFelix Dujardin
CRobert Hooke
DCharles Darwin
EMatthias Schleiden
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Question 940
waec1992
Which of the following is a similarity between a typical animal cell and a typical plant cell?presence of
