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.

2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

2,572 questions
Question 1 of 20 2,572 total questions
Question 761
jamb 2000

The most recently evolved structure in animals is the

Ahair
Bcilium
Cscale
Dfeather
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Question 762
jamb 2000

The set of fins that control steering, balancing and change of direction and pitch in fish is

Adorsal and anal
Bpectoral and pelvics
Ccaudal and dorsal
Danal and pelvics
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Question 763
jamb 2000

Which of the following features are all associated with monocots?

AFibrous root system, branched network of veins and one seed leaf
BFibrous root system, two seed leaves and floral parts in threes
COne seed leaf, petals in threes or group of thees and parallel venation of leaves
DOne seed leaf, net-veined leaves and petals in threes or multiple of three
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Question 764
jamb 2000

The part labelled II is the?

Asilk thread
Bthorax
Cfore wing
Danchor
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Question 765
jamb 2000

The part that will develop into an organ for feeling is labelled

AIV
BIII
CII
DI
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Question 766
jamb 1999

Primary consumers are found in

A1, 2 and 3
B1, 3 and 7
C2, 3 and 7
D2, 4 and 5
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Question 767
jamb 1999

The biomass is likely to increase in the sequence

A1→2→4→5
B1→3→4→5
C3→5→6→7
D5→4→3→1
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Question 768
jamb 1999
The habitat of the cysticercus of taenia solium is
AAlimentary canal of cattle
BMuscles of pig
CAlimentary canal of pig
DMuscles of cattle
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Question 769
jamb 1999
The most important environment factor which epiphytes in the rain forest compete for is
Awater
Bnutrients
Clight
Dcabinet minister
Espace
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Question 770
jamb 1999
The loud cry made by a brooding hen when a predator is around is meant to
Aalert the poultry attendants
Battract cocks to come and fight the predator
Cadvertise the boundaries of its territory to intruders
Dwarn its chicks and other chickens of impending danger
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Question 771
jamb 1999
Which of the following is one of Lamarck's theories?
ASome variations are more favourable to existence in a given environment than others
BAll living organisms are constantly involved in a struggle to existence
CThe size of a given population remains fairly constant
DNew species originates through the inheritance of acquired traits
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Question 772
jamb 1999

The least adaptive feature of aboreal life is the

Apossession of four limbs
Bpossession of claws
Cdevelopment of long tail
Dshading of coat colour
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Question 773
jamb 1999
The very bright colours in some types of mushroom
Aare warning that they may be poisonous
Bindicate they are very taste
Cattract potential transporters of the spores
Dperform the same function as bright colours in flowers
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Question 774
jamb 1999
From evolutionary standpoint , the older a fossil-bearing rocks is, the more likely it is to contain
Aaves as opposed to amphibians
Binvertebrates as opposed to vertebrates
Cangiosperms as opposed to algae
Dvertebrates as opposed to invertebrates
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Question 775
jamb 1999
The biological factor that is unique to each individual is the
ADNA
Beye colour
Cblood group
DRNA
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Question 776
jamb 1999

If the offspring of a cross between a brown mouse (bb) and a black mouse (BB) are allowed to interbreed, how many different genotypes would result?

A2
B3
C4
D5
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Question 777
jamb 1999
Which of the following characterizes the white mangrove?
AProp roots
BButtress roots
CBreathing roots
DStilt roots
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Question 778
jamb 1999

The sign + is used to indicate an association where an organism gains, while 0 is used where an organism is unaffected. An association indicated as +0 is known as

Apredation
Bcommensalism
Cparasitism
Dcompetition
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Question 779
jamb 1999
A soil consisting of alumina and iron (II)oxide is known as
Aloamy soil
Bclayey soil
Claterite
Dpodzol
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Question 780
jamb 1999
Vaccination is carried out in order to
Acheck the production of poison
Bincrease the activity of white blood cells
Cincrease the number of red blood cells
Dstimulate the production of antibodies
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