Biology Past Questions

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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 281
jamb 2018

The temporary union of two organisms and the exchange of micronuclear elements is called

AConjugation
BBinary fusion
CExtrapolation
DInterexchange
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Question 282
jamb 2018

Which is an Animal without red blood cells

AFrog
BEarthworm
CSnake
DPeacock
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Question 283
jamb 2018

Mineral salts can be absorbed into roots by

AOsmosis only
BOsmosis and diffusion
CDiffusion and active transport
DImbition only
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Question 284
jamb 2018

The hygrometer is used for measuring

ARelative Humidity
BSpecific Gravity
CRainfall
DSalinity
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Question 285
jamb 2018

Examples of animals with mammary glands include the following except

ACow
BGoat
CPig
DHen
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Question 286
jamb 2018

Blood circulation in a mammal is said to be double because

AIt passes twice through the heart in a complete circuit
BIt moves in both arteries and veins
CIt circulates in both the hands and other organs
DThe heart contains auricles and ventricles
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Question 287
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 288
jamb 2018

Physiological adaptation to very dry conditions in animal demonstrates

AXeromorphism
BHibernation
CAestivation
DRejuvenation
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Question 289
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 290
jamb 2018

The four classes of cnidarian include the following except

ATurbellaria
BAnthozoa
CScyphozoa
Dcubozoa
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Question 291
jamb 2018

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

A21
B22
C20
D23
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Question 292
jamb 2018

An organism which exhibit extracellular digestion is

ASpirogyra
BParamecium
CAmoeba
DRhizopus
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Question 293
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 294
jamb 2018

A pollutant that is mostly associated with acid rain is

ANitrogen oxides
BOzone
CFlourine
DCarbony (IV) oxide
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Question 295
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 296
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 297
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 298
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 299
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 300
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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