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.

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 291
waec 2021

A mixture of blood with antigen A and blood containing antibody a will?

Alead to agglutination
Bfacilitate dissolution of clot
Chave no effect on blood composition
Dchange the blood group
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Question 292
waec 2021

Which of the following statements about mitosis is not correct?

Achiasmata are not formed
BBi-valents are not formed
CIt does not lead to variation
DFour daughter cells are produced
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Question 293
waec 2021

The diagrams above are illustrations of types of comb found in domestic fowl. Study them and answer this question.

Which factor is most likely responsible for the various types of comb?

Aenvironment
Bgenetics
Cphysiology
Dmorphology
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Question 294
waec 2021

The diagrams above are illustrations of types of comb found in domestic fowl. Study them and answer this question.

The types of comb show ?

Avariation
Binheritance
Ccell theory
Dcourtship behaviour
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Question 295
waec 2021

Which of the following resources cannot be conserved?

Aforest
Bwater
Csoil
Dgarbage
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Question 296
waec 2021

Which of the following practices is a wildlife conservation method?

Ause of cover crops
Bcrop rotation
Cmulching
Ddiscouraging poaching
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Question 297
waec 2021

Endangered species are organisms that are?

Alikely to migrate to other favourable lands
Blikely to disappear from the surface of the earth
Creproducing profusely in an area
Ddangerous to humans and attacking other animals
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Question 298
waec 2021

Which of the following behaviours is correctly matched with the corresponding diseases?

 

 

ASmoking cigarette / Liver cirrhosis. Lung cancer, AIDS
BHaving multiple sexual partners / liver cirrhosis, syphilis, AIDS.
CLiving near dirty gutter / Lung cancer, syphilis, river blindness.
DEating uncooked meatf/fdysentery, cholera. food poisoning.
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Question 299
waec 2021

When a large number of organisms share limited resources, the result is?

Amutualism
Bextinction
Ccommensalism
Dcompetition
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Question 300
waec 2021

An association between living organisms in which one organism lives on and feeds at the expense of the other organism is known as?

Amutualism
Bcommensalism
Cparasitism
Dpredation
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Question 301
waec 2021

Which of the following features is a characteristic of aquatic plants possession of ?

Amultiple epidermis
Bheavily lignified tissue
Cfinely divided leaves
Dsucculent stem
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Question 302
waec 2021

The illustration below is a food chain.

Grass→grasshopper→domestic fowl→hawk

What would happen if the population of domestic fowl decreases?

Agrasshoppers would decrease
Bhawks would increase
Cgrasshoppers would increase
Dgrasses available to grasshoppers
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Question 303
waec 2021

Rabbits cannot survive in an aquatic habitat because they have 

Ano scales
Bno gills
Cfore limbs
Dlateral line
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Question 304
waec 2021

Plants and animals of an ecosystem make up a?

Ahabitat
Bsuccession
Ccommunity
Dpopulation
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Question 305
waec 2021

The following organisms are examples of carnivorous plants except.

Agloriosa
Bvenus flytrap
Cpitcher plant
DUtricularia
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Question 306
waec 2021

The diagram above is an illustration of the foot of an animal.

The adaptation of this type of foot is that it is?

Aused as a bait to catch fish in water
Bused as a paddle for swimming
Ceffective in scratching the soil for food
Dused for killing prey in water
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Question 307
waec 2021

The process that takes place at the light stage of photosynthesis is?

Asplitting of water molecules to form hydrogen ions
Breduction of carbon (IV) oxide to form carbohydrate
Cformation of two molecules of phosphoglyceric acid
Dbreaking down of ATP molecules to produce energy
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Question 308
waec 2021

Autotrophic nutrition is a process whereby an organism obtains food 

Aby utilizing its store energy
Bby synthesizing simple substances using energy
Cfrom other organisms in exchange for some products
Din a synthesized form, from other living organisms
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Question 309
waec 2021

Which of the following factors is not necessary for photosynthesis?

Awater
Bcarbon (IV) oxide
Cwind
Dsunlight
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Question 310
waec 2021

The diagram above is an illustration of the growth of a plant in a water culture. After a few days, the solution turned green and the plant died. Use this to answer this question.

The death of the plant was likely caused by?

Aexcess supply of nutrients to the plant
Binadequate supply of water to the plant
Calgal growth in the solution that used up the nutrients
Dinability of the plant to make food due to lack of sunlight
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