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.

2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

2,572 questions
Question 1 of 20 2,572 total questions
Question 221
jamb 2020

The function of ribosome in cells is

Aprotein synthesis
Bstarch synthesis
Ctransport of material
Dlipid storage
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Question 222
jamb 2020

The hypha of rhizopus is said to be non-septate because it

Adoes not contain chloropyll
Bhas no cross wall
Cis vacuoled
Dstores oil globus
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Question 223
jamb 2020

Epiphytes growing on the branches of trees provide an example of the relationship known as?

Aparasitism
Bcommensalism
Csaprophytism
Dholophytism
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Question 224
jamb 2020

In an agricultural ecosystem, the biotic component consist of

Acrops, pests and beneficial insects
Bcrops, temperature and humidity
Cpests, beneficial insects and water
Dcrops, water and soil
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Question 225
jamb 2020

Deamination occurs in the?

 

AKidney
BPancreas
CSpleen
DLiver
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Question 226
jamb 2020

The hormone which regulates the amount of glucose in the blood is called?

AAdrenalin
BAuxin
CInsulin
DThyroxine
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Question 227
jamb 2019

A flowering plant having both the male and female flowers on the same plant is said to be

ARegular
BIrregular
CMonoecious
DDioecious
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Question 228
jamb 2019

Thunderstorm can be beneficial to plants because it

Aadds line to the soil
Bkills the pest that attacks crops
Cdestroys some of the major crops
Dadds nitrate to the soil
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Question 229
jamb 2019

The study which involves the inter-relationship between groups of organisms or species of organisms living together in an area is

AAutecology
BEcological niche
CSynecology
DEcosphere
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Question 230
jamb 2019

Which of the following organs can be considered vestigial in humans but functional in other mammals

AThe liver
BAppendix
CRectum
DStomach
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Question 231
jamb 2019

The basis of growth involves the following processes except

ACell reduction
BCell division
CCell enlargement
DCell differentiation
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Question 232
jamb 2019

In the theory of use and disuse Lamarck proposed that evolution occurred because of the following except

AThere is natural selection of offspring
BThere is great changes in the environment
COrganism develop specialised characters
DThe characters are inheritable
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Question 233
jamb 2019

In an ecosystem, the organism which changes light energy into stored chemical energy is the

AConsumer
BProducer
CDecomposer
DCarnivore
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Question 234
jamb 2019

Which of the following statement is correct about Southern Guinea Savanna in Nigeria

AIt is the largest of all the biotic community in Nigeria
BIt has no plants species
CIt has plants species like Iroko, Opepe etc
DIt has no trees
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Question 235
jamb 2019

What type of vertebrate assists in breathing alongside with the ribs?

ASacral
BCaudal
CThoracic
DLumber
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Question 236
jamb 2019

Which of the following factors is not considered in a terrestial habitat?

ATemperature
BSunlight
CHumidity
DTurbidity
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Question 237
jamb 2019

One of the following is an effect of clay soil on vegetation

ASupports luxuriant vegetation such as forest
BSupports scanty vegetation
CDoes not support light vegetation
DSupport arid vegetation
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Question 238
jamb 2019

Which of the following is an example of continous variation?

AHuman blood groups
BSex difference in human
CHaemoglobin types
DHeight in humans
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Question 239
jamb 2019

The following processes are involved during expiration in man except

AThe inter costal muscles relax
BThe thoracic cavity first increases in volume
CThe sternum moves inward
DThe ribs are moved downwards and inwards
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Question 240
jamb 2019

Ecology is best defined as the study of

AThe characteristics of an environment
BThe inter-relationship between living organisms and the environment
CLiving organisms in a particular area
DThe habitats and wild life
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