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.

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 21
jamb 2018

The hormones secreted by pancreas serves to

AFacilitate the development of facial hairs
BRaise the level of calcium in the blood
CLower blood glucose level
DMake the body react to emergencies
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Question 22
jamb 2018

Physiological adaptation to very dry conditions in animal demonstrates

AXeromorphism
BHibernation
CAestivation
DRejuvenation
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Question 23
jamb 2018

What would happen if solution Y is more concentrated than solution X in fig 2 

AThe level of X would rise, Y would rise
B
CThe level of X and Y stands the same
DThe level of Y would rise, X would fall.
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Question 24
jamb 2018

The four classes of cnidarian include the following except

ATurbellaria
BAnthozoa
CScyphozoa
Dcubozoa
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Question 25
jamb 2018

How many days is used for incubation of an egg to release chick

A21
B22
C20
D23
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Question 26
jamb 2018

An organism which exhibit extracellular digestion is

ASpirogyra
BParamecium
CAmoeba
DRhizopus
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Question 27
jamb 2018

What is the function of contractile vacuole in paramecium?

AProduces Enzymes
BGets rid of excreta
CStores and digest food
DGets rid of excess water
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Question 28
jamb 2018

A pollutant that is mostly associated with acid rain is

ANitrogen oxides
BOzone
CFlourine
DCarbony (IV) oxide
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Question 29
jamb 2018

The function of pith in plant is

AAbsorb mineral salt and nutrient from the soil
BPith, or medulla, is a tissue in the stems of vascular plants. Pith is composed of soft, spongy parenchyma cells, which store and transport nutrients throughout the plant.
Ctrap chlorophyll from the sunlight
DRemoval of waste product from the plant
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Question 30
jamb 2018

The yellowish colored liquid component of blood that normally holds the blood cells in suspension is

Aserum
Bplasma
Cwater
Dthrombocyte
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Question 31
jamb 2018

The flippers of a whale and the fins of a fish are examples of

Adivergent evolution
Bco-evolution
Ccontinuous variation
Dconvergent evolution
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Question 32
jamb 2018

A boy who is fond of swimming in a pond finds himself passing urine with traces of blood. He is like to have contracted?

Aschistosomiasis
Bonchocerciasis
Cpoliomyelitis
Dsalmonellosis
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Question 33
jamb 2018

An accurate identification of a rapist can be carried out by conducting

ARNA analysis
BDNA analysis
Cblood group test
Dbehavioural tests
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Question 34
jamb 2018

Use the diagram to answer the question. The breeding posture illustrated in the diagram is knows as

Amating
Bamplexus
Ccourtship display
Dreproductive swimming
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Question 35
jamb 2018

Use the diagram to answer the question. The diagram shows that the organisms are

Ahermaphrodite
Bviviparous
Coviparous
Dovoviparous
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Question 36
jamb 2018

Evidence of evolution include the following except?

Afossil records
Bcomparative anatomy
Cmolecular records
Dgeographical distribution of organisms
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Question 37
jamb 2018

An animal which is active during the day is known as a

Anocturnal animal
Bdiurnal animal
Cterrestrial animal
Dhomortacmic animal
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Question 38
jamb 2018

Cytokinesis of mitosis is a process that ensures that

Aeach daughter cell gets the necessary organelles
Bthere is distribution of a complete set of genes into each daughter cell
Cdaughter cell inherit new genetic combinations
Dworn out organelles are excluded from daughter cells
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Question 39
jamb 2018

A woman who is heterozygous for the disease haemophilia marries a man who is  haemophilic. What percentage of their offspring would have the disease?

A0%
B25%
C50%
D75%
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Question 40
jamb 2018

DNA in eukaryotic cells is contained in the

Acentral vacuole
Bnucleus
Clysosome
Dgolgi body
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