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.

2,099 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

2,099 questions
Question 1 of 20 2,099 total questions
Question 181
waec 2018

Which of the following disease ic caused by a bacterium?

Aringworm
Bpoliomyelitus
Csyphilis
Dmalaria
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Question 182
waec 2018

When large numbers of organisms share limited space and resources, the immediate result is

Aextinction
Bemigration
Ccompetition
Dimmigration
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Question 183
waec 2018

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

Acommensalism
Bpredation
Cparasitism
Dmutualism
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Question 184
waec 2018

Xerophytes have the following characteristics aimed at conserving water except

Athick cuticle
Bbroad leaf surfaces
Csunken stomata
Dwaxy cuticle
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Question 185
waec 2018

In an ecosystem, the least efficient energy transfer link is from the

Asecondary consumers to decomposers
Bsun to producers
Cprimary consumers to secondary consumers
Dproducer to primary consumers
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Question 186
waec 2018

Which of the following instruments is used to determine the turbidity of water?

Ahygrometer
Bhydrometer
Csecchi disc
Drain gauge
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Question 187
waec 2018

The diagram above is an illustration of organisms in an air-tight aquarium.The most important factor needed by the organisms is

Alight energy
Blow humidity
Coxygen
Dnitrate
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Question 188
waec 2018

The most important factor(s) that influence(s) the ecological niche of an organism is/ are the

Awater, light and predator-prey relationship
Bfood and water availability
Cphysical environment
Dcompetition for food and space
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Question 189
waec 2018

Which of the following statements would be a correct observation at the end of the experiment? Water moves

Ahighest in sandy soil
Blowest in loamy soil
Cto the same level in all soil types
Dhighest in clayey soil
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Question 190
waec 2018

The diagram above is an illustration of an experimental set-up to demonstrate a property of soil. The property of soil demonstrated is

Aparticle size
Bcapillarity
Ccolour
Dtexture
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Question 191
waec 2018

Which of the following dental formulae represents the dentition in rabbits?

A\(I\frac{2}{1}\) \(C\frac{0}{0}\) \(P\frac{3}{2}\) \(M\frac{3}{3}\)
B\(I\frac{2}{2}\) \(C\frac{1}{1}\) \(P\frac{2}{2}\) \(M\frac{3}{3}\)
C\(I\frac{1}{2}\) \(C\frac{0}{0}\) \(P\frac{2}{3}\) \(M\frac{3}{3}\)
D\(I\frac{2}{1}\) \(C\frac{0}{1}\) \(P\frac{3}{2}\) \(M\frac{3}{3}\)
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Question 192
waec 2018

The duodenum of a person was surgically removed. Which of the following substances would have their digestion affected?

Astarch and protein only
Bstarch and lipids
Cstarch, peptones and maltose
Dstarch, protein and lipids
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Question 193
waec 2018

The ascent of water in tall trees is mainly due to 

Aadhesive forces
Btranspiration pull
Croot pressure
Dcohesive forces
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Question 194
waec 2018

By what process is starch converted into maltose?

AHydrolysis
BCondensation
CTranslocation
DPhotosynthesis
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Question 195
waec 2018

One major difference between plant and animals nutrition is the ability of plants to synthesize

AFood for plants and animals
BWater for plants
CWater for animals
DFood for plants only
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Question 196
waec 2018

The source of energy required by plants during food production is

APhotosynthesis
BChlorophyll
CSunlight
DMicroorganisms
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Question 197
waec 2018

In the diagram above, the larva is also known as

ANymph
BCaterpillar
CMaggot
DChrysalis
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Question 198
waec 2018

The diagram above is an illustration of the life cycle of an insect. The adult fly in this cycle is called

AHousefly
BButterfly
CCockroach
DMosquito
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Question 199
waec 2018

The structures for gaseous exchange in breathing roots are

Astomata
Blenticels
Ccuticle
Dmitochondria
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Question 200
waec 2018

Which of the following practices may lead to infection of the eye? Use of

Acontact lenses
Bconvex lenses
Cbiconcave lenses
Dconcave lenses
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