Biology Past Questions

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

90 questions
Question 1 of 20 90 total questions
Question 1
waec 2021

Which of the following statements is not Lamarck's postulate on evolution?

Agreat changes in the environment result in corresponding changes in species
Bfrequently used organs become well developed while the ones not used become vestigial
Cwell developed acquired characters are inheritable
Dsurvivors in a competitive community must have inherited useful traits
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Question 2
waec 2021

Natural selection arises as a result of?

Agene mutation
Bchange of habitat
Creduction in population
Dclimate change
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Question 3
waec 2021

Which of the following organisms exhibits division of labour?

Abutterfly
Bcockroach
Ctermite
Dhousefly
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Question 4
waec 2021

A woman with Rhesus negative blood group was advised not to marry a man with Rhesus positive blood group because

Ait will hinder her from having blood transfusion from her husband
Bit will result in sickness and probably death of the offspring
Cher children may all resemble her husband
Dit may affect her childbearing ability
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Question 5
waec 2021

In humans, pointed eyebrows (B) is a dominant trait over smooth eyebrows (b). A student and the mother have smooth eyebrows while the father has pointed eyebrows. What is the genotype of the father?

ABB
BBb
Cbb
DBBbb
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Question 6
waec 2021

Which of the following statements about sickle cell anaemia is correct?

Ait is caused by sex-linked genes
Bit is more common in males than in females
Ctwo sickle cell carrier parents may have a sickling child
Dit is caused by recessive genes
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Question 7
waec 2021

Plants suitable for experiments in genetics must not 

Aproduce numerous seeds within a short time
Bhave a small number of chromosomes
Chave a relatively short life cycle
Dproduce one generation in a large period
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Question 8
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 9
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 10
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 11
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 12
waec 2021

Which of the following resources cannot be conserved?

Aforest
Bwater
Csoil
Dgarbage
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Question 13
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 14
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 15
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 16
waec 2021

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

Amutualism
Bextinction
Ccommensalism
Dcompetition
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Question 17
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 18
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 19
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 20
waec 2021

Rabbits cannot survive in an aquatic habitat because they have 

Ano scales
Bno gills
Cfore limbs
Dlateral line
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