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.

156 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

156 questions
Question 1 of 20 156 total questions
Question 61
jamb 2004

The soil type that will be most difficult to plough in a wet season is one that is

Aloamy
Bclayey
Csandy
Dsilty
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Question 62
jamb 2004

The scarcity of food causes a sudden decrease in population size by

Adecreasing the reproductive rate
Bbringing about immigration
Craising the mortalility rate
Dminimizing the rate of competition
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Question 63
jamb 2004

A state in Nigeria that is most susceptible to desert encroachment is

AKwara
BTaraba
CKaduna
DKatsina
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Question 64
jamb 2004

One of the adaptation of reptile to water loss is the presence of

Akeratinous scale
Bclaws on limbs
Clong tails
Dlong sticky tongues
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Question 65
jamb 2004

The progressive loss of energy at each level in a food chain leads to

Aan increase in biomas at each successive level
Ba decrease in biomass at each successive level
Can increase in the number of organism at each successive level
Dan increase in the total number of organisms at each successive level
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Question 66
jamb 2004

The association between termites and the cellulose - digesting protozoans in their guts is an example of

Asaprophytism
Bmutualism
Cparasitism
Dcommensalism
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Question 67
jamb 2004
Ecological Zone Temperature (oC) Rainfall (mm)
I 45 300
II 32 2000
III 30 2200
IV 15 800


From the table above which of the zones is likely to be desert?

AI
BII
CIII
DIV
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Question 68
jamb 2004

Ecological Zone

Temperature (ºC)

Rainfall (mm)

I

45 300
II 32 2000
III 30 2200
IV 15 800


From the table above high relative humidity will be expected in zones

AI and III
BI and IV
CII and III
DII and IV
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Question 69
jamb 2004

A caterpillar and an aphid living in different parts of the same plant can be said to

Aoccupy the same ecological niche
Bbe in different habitat
Coccupy different ecological niche
Dbe in the same microhabitats
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Question 70
jamb 2004

The two keys cation involved in the action potential of nervous transmissions are

ANa+ an Fe2+
BMg2+ and K+
CNa+ and K+
DFe2+ and Mg2+
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Question 71
jamb 2004

If a nursing mother is not producing enough milk, her hormonal system is probably deficient in

Aprolactin
Btestosterone
Cthyroxin
Dinsulin
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Question 72
jamb 2004

Nervous control differs from hormonal control in that the former

Ainvolves only chemical transmision
Bis a lower process
Cproduces short-term changes
Dhas no specific pathway
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Question 73
jamb 2004

Epigeal germination of a seed is characterized by

Amore rapid elongation of the hypocotyl than the epicotyl
Bmore rapid elongation of the epicotyl than the hypocotyl
Cequal growth of both the hypocotyl and epicotyl
Dlack of growth of the hypocotyl
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Question 74
jamb 2004

The eggs of birds contains relatively larger quantities of yolk than those of amphibians and reptiles because

Abirds are generally bigger in size
Bembryonic development is longer in birds
Cthose of birds are fertilized internally
Dbirds lay shelled eggs
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Question 75
jamb 2004

The type of reproduction that is common to both Hydra and yeast

Aconjugation
Bbinary fission
Cgrafting
Dbudding
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Question 76
jamb 2004

The function of the part labelled III is to

Acontract to pull the hair erect
Bconduct nervous impulses
Ccarry blood and nitrogenous waste
Dproduce oil for the skin
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Question 77
jamb 2004

The sweat gland is the structure labelled

AI
BII
CIII
DIV
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Question 78
jamb 2004

The opening of the stoma is controlled by the

Apresence of a pore
Bincrease in solute concentration in the guard cells
Cpresence of guard cells
Ddecrease in solute concentration in the guard cells
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Question 79
jamb 2004

The anaerobic fermentation of a glucose molecule yields

A38 ATP molecules
B2 ATP molecules and alcohol
Cpyruvic acid and alcohol
Dwater and carbon (IV) oxide
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Question 80
jamb 2004

The surface of an alveolus in a mammal is well supplied with tiny blood vessels known as

Aarterioles
Bvenules
Carteries
Dcapillaries
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