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Biology Past Questions

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Past Questions

50 questions

Question 1 of 20 50 total questions

Question 1

jamb 2016

Which of the organisms represented are notable agricultural pests?

AII and IV

BI and IV

CI and III

DII and III

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Question 2

jamb 2016

The part of the mammalian ear responsible for the maintenance of balance is the

Acochlea

Bpinna

Cperilymph

Dvestibular system

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Question 3

jamb 2016

In which of the following species is the biomass of an individual the smallest?

ATilapia sp

BAgama sp

CBufo sp

DSpirogvra sp

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Question 4

jamb 2016

The path followed by air as it passes through the lungs in mammals is

Abronchi ⇢ trachea ⇢ alveoli ⇢ bronchioles

Bbronchioles ⇢ alveoli ⇢ bronchi ⇢ trachea

Ctrachea ⇢ bronchi ⇢ bronchioles ⇢ alveoli

Dtrachea ⇢ bronchioles ⇢ bronchi ⇢alveoli

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Question 5

jamb 2016

Strong short and concical beak to pick and crush seeds is an adaptive feature of

Aduck

Bowl

Cweaver bird

Dhawk

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Question 6

jamb 2016

Which of these organisms partly digest its food extracellularly?

AButterfly

BCockroach

CSpider

DMosquito

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Question 7

jamb 2016

The bacteria that is found in the root nodules of leguminous plants is

Aclostridium

Brhizobium

Cnostoc

Dazotobacter

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Question 8

jamb 2016

An example of a non-bio degrable pollutants is

Adung

Bbones

Cceramics

Dwoods

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Question 9

jamb 2016

In which of the following groups of vertebrates is parental care mostly exhibited?

AAves

BReptilia

CAmphibia

DMammalia

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Question 10

jamb 2016

When sickle cell carrier marries a normal woman, the probability of them having a normal offspring is

A0.75

B0.25

C0.5

D.1

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Question 11

jamb 2016

The arrangement of ovules attached to the sides of a syncarpous ovary with a single chamber is referred to as

Afree-central placentation

Baxile placentation

Cparietal placentation

Dmarginal placentation

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Question 12

jamb 2016

The hereditary characters in plants and animals are located on the

Agene

Bmucleus

Cchromosome

Dcell

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Question 13

jamb 2016

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 14

jamb 2016

The rate of transpiration is NOT affected by

Athe weight of the stomata pores

Bhumidity

Ctemperature

Dthe size of the stomata pores

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Question 15

jamb 2016

Which of the following organs regulates the levels of water. salts, hydrogen ions, and urea in the mammals?

AKidney

BColon

CBladder

DLiver

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Question 16

jamb 2016

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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Question 17

jamb 2016

The relationship between a termite and the protozoam in its intestine is described as

Apredation

Bsaproplytism

Csymbiosis

Dparasitism

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Question 18

jamb 2016

In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by

Aputerfying bacteria

Bnitrogen-fixing bacteria

Cnitrifying bacteria

Ddenitrifying bacteria

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Question 19

jamb 2016

The sequence of the one-way gaseous exchange mechanism in a fish is

Agills ⇢ operculum ⇢ mouth

Bmouth ⇢ gills ⇢ operculum

Cmouth ⇢ operculum ⇢ gills

Doperculum ⇢ mouth ⇢ gills

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Question 20

jamb 2016

The adaptive importance of the nuptial flight from termite colonies is to

Aensure cross-breeding between members of one colony and another

Bdisperse the reproductives in order to establish new colonies

Cprovide abundant food for birds and other animals during the early rains

Dexpel the reproductives so as to provide enough food for other members

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