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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.

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

107 questions
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Question 1 of 20 107 total questions
Question 31
jamb 2011

An economic importance of the organism represented by IV is that

Ait transmit water borne disease to humans
Bit is destructive to farm crops
Cits faeces pollutes drinkng water
Dit helps in the control of mosquito larvae
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Question 32
jamb 2011
Use the diagram above to answer this question.

The experimental set-up above is used to demonstrate the process of
Adiffusion
Bphotosynthesis
Cfermentation
Dplasmolysis
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Question 33
jamb 2011
Use the diagram above to answer this question.

The gas evolved in the process is
Acarbon (IV) oxide
Bnitrogen
Coxygen
Dcarbon (II) oxide
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Question 34
jamb 2011
Use the diagram above to answer this question.

Which of the organisms represented are notable agricultural pests?
All and IV
Bl and IV
Cll and lll
Dl and lll
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Question 35
jamb 2011
The wings of a bat and those of a bird are examples of
Aconvergent evolution
Bcontinuous variation
Ccoevolution
Ddivergent evolution
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Question 36
jamb 2011
The bright coloured eye spots on the wings of moth are an example of
Awarning colouration
Bdisruptive colouration
Ccrypsis
Dmimicry
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Question 37
jamb 2011
The fallacy in Lamarck's evolutionary theory was the assumption that
Atraits are acquired through disuse of body parts
Bacquried traits are heritable
Cacquired traits are seldom formed
Dtraits are acquired through the use of body parts
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Question 38
jamb 2011

During blood transfusion, agglutination may occur as a result of the reaction between

Acontrasting antigens and antibodies
Btwo different antigens
Ctwo different antibodies
Dsimilar antigens and antibodies
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Question 39
jamb 2011
The number of alleles controlling blood groups in humans
A3
B4
C5
D2
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Question 40
jamb 2011

The crossing of individuals of the same species with different genetic characters is

Across breeding
Bpolygenic inheritance
Cnon-disjunction
Dinbreeding
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Question 41
jamb 2011
Which of the following theories was NOT considered by Darwin in his evolutionary theory?
AVariation
BSurvival of the fittest
CUse and disuse
DCompetition
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Question 42
jamb 2011

If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of

Acodominance
Bincomplete dominance
Cmutation
Dlinkage
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Question 43
jamb 2011
Lack of space in a population could lead to an increase in
Awater scarcity
Bbirth rate
Cdisease rate
Ddought
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Question 44
jamb 2011
The inheritable characters that are determined by a gene located on the X-chromosome is
Arecessive
Bsex-linked
Chomozygous
Ddominant
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Question 45
jamb 2011
In which of the following biomes is the south western part of Nigeria located?
ATemperate forest
BTropical rainforest
CTropical woodland
DDesert
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Question 46
jamb 2011

Millet , sorghum, maize and onions are common crops growth in Nigeria in the

Atropical rainforests
Bsudan savanna
Cmontane forests
Dsahel savanna
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Question 47
jamb 2011
Which of the following groups of environmental factors are density-dependent?
AFood, salinity, accumulation of matabolites and light
BTemperature, salinity predation and disease
CFood predation, disease and accumulation of metabolites
DTemperature food disease and light
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Question 48
jamb 2011
Drancunculiasis can be contacted through
Aeating contaminated food
Bdrinking contaminated water
Cbathing in contaminated water
Dbites of blackfly
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Question 49
jamb 2011
Habitats are generally classified into
Abiotic and abiotic
Baquatic and terrestrial
Caboreal and marine biomes
Dmicrohabitats and macrohabitats
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Question 50
jamb 2011
Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the
Aliver of humans
Breticuloendothelial cells of humans
CMalphigian tubules of mosquito
Dbrain of humans
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