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Biology Past Questions

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.

5,032 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

5,032 questions
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Question 1 of 20 5,032 total questions
Question 2431
jamb 1981
A person whose blood can be donated to all other people, must have the blood group
AO
BAB
CB
DA
Enone of the above
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Question 2432
jamb 1981
Which of the following statement is NOT true of symbiosis?
ASymbionts must be living
BIt is an association of 'give and take'
CThe association may involve two plants
DAssociation between two similar species
ESymbionts derive mutual benefit
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Question 2433
jamb 1981

Normally any character shown by an organism is due to the effects of

Ahormones and chromosomes
Bchromosomes
Cmutation
Dhormones and genes
Egenes and environment
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Question 2434
jamb 1981
Accommodation of the human eye is best described as the
Aability to see distant objects
Bmovement of upper and lower eyelids
Cfocusing of near and distant objects
Dchanging of lens shape due to varying light intensities
Econstant adjustment of the iris
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Question 2435
jamb 1981
In a bakery, yeast is added to flour to make bread rise. This is possible because yeast produces
Aalcohol
Boxygen
Ccarbon dioxide
Denergy
Eethanol
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Question 2436
jamb 1981
All the following are digestive enzymes except
Abile
Blipase
Cmaltase
Dpepsin
Eptyalin
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Question 2437
jamb 1981
The two types of human tapeworm can be distinguished by the presence or absence of
Ascolex
Bhook
Chead
Dsucker
Eproglottis
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Question 2438
jamb 1981

What is name of the respiratory organ of the crab?

ATubules
BTrachaea
CSpiracles
DLungs
EGills
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Question 2439
jamb 1981
The rate of transpiration of a leafy shoot would be highest under
Adamp, cold, still air
Bdamp, warm, moving air
Cdry, warm, moving air
Ddry, cold, moving air
Edry, warm, still air
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Question 2440
jamb 1981

Milk protein is hydrolyzed by

Arenin
Bamylase
Clipase
Dlactase
Epepsin
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Question 2441
jamb 1981

Which of the following instruments is used to demonstrate the response of roots and shoots to gravity?

AClinostat
BManometer
CPorometer
DPotometer
EPhotometer
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Question 2442
jamb 1981
Spirogyra reproduces vegetatively by
Aspore production
Bfragmentation
Cmultiple fission
Dbudding
Ebinary fission
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Question 2443
jamb 1981
Which of the following is NOT a function of the liver?
ARegulation of blood sugar
BStorage of iron
CFormation of bile
DBreakdown of excess amino acids
EExcretion of urea from the blood
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Question 2444
jamb 1981
Choose the sequence which represents the correct order of organisms in a food chain.
AGrass, snake, toad, grasshopper, hawk
BGrass, grasshopper, toad, snake, hawk
CGrass, grasshopper, snake, toad, hawk
DGrass, snake, grasshopper, toad, hawk
EGrass, toad, snake, grasshopper, hawk
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Question 2445
jamb 1981
What is the function of the contractile vacuole in paramecium?
AProduces enzymes
BGets rid of excreta
CStores and digest food
DGets rid of excess water
EControls movement
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Question 2446
jamb 1981
The mushroom is an organism which feeds
Aparasitically
Bsaprophytically
Cholozoically
Dsymbiotically
Eautotrophically
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Question 2447
jamb 1981
Which of the following insects has an incomplete metamorphosis during its life circle?
AButterfly
BBee
CMosquito
DHouse-fly
EGrasshopper
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Question 2448
jamb 1981
The kind of teeth used for tearing food materials is the
Afang
Bcanine
Cpremolar
Dcarnassial
Eincisor
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Question 2449
jamb 1981
Which of the following is the dental formula of man?
Ai(2/2) c(0/1) pm(2/2) m(3/3)
Bi(2/2) c(1/1) pm(2/0) m(3/3)
Ci(2/2) c(1/1) pm(2/2) m(3/3)
Di(2/2) c(1/1) pm(3/3) m(2/2)
Ei(2/2) c(1/1) pm(2/3) m(3/3)
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Question 2450
jamb 1981
Where is the food stored in yam plant?
Astem
BBud
CAdventitous root
DLeaves
ETap root
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