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.

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 481
jamb 2018

Cold blooded animals are referred to as

APoikilothermic
BHomothermic
CPolythermic
DHomeostatic
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Question 482
jamb 2018

The process in which plant uses sunlight to synthesize nutrients from carbon dioxide and water is called

ALocomotion
BHomeostasis
CTranspiration
DPhotosynthesis
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Question 483
jamb 2018

The outer membrane that covers the brain is

AMyelin sheath
BDura mater
CArachnoid membrane
DPia mater
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Question 484
jamb 2018

Which parts provides food for the developing chick?

A2 and 3
B4 and 5
C3 and 4
D2 and 5
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Question 485
jamb 2018

Which of the following relationship involves only one organism

ASaprophytism
BCommensalism
CParasitism
DSymbiosis
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Question 486
jamb 2018

A plant tissue that carries water and mineral salt is

AXylem
BCortex
CPhloem
DCambium
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Question 487
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 488
jamb 2018

Which is an Animal without red blood cells

AFrog
BEarthworm
CSnake
DPeacock
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Question 489
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 490
jamb 2018

The hygrometer is used for measuring

ARelative Humidity
BSpecific Gravity
CRainfall
DSalinity
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Question 491
jamb 2018

Examples of animals with mammary glands include the following except

ACow
BGoat
CPig
DHen
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Question 492
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 493
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 494
jamb 2018

Physiological adaptation to very dry conditions in animal demonstrates

AXeromorphism
BHibernation
CAestivation
DRejuvenation
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Question 495
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 496
jamb 2018

The four classes of cnidarian include the following except

ATurbellaria
BAnthozoa
CScyphozoa
Dcubozoa
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Question 497
jamb 2018

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

A21
B22
C20
D23
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Question 498
jamb 2018

An organism which exhibit extracellular digestion is

ASpirogyra
BParamecium
CAmoeba
DRhizopus
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Question 499
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 500
jamb 2018

A pollutant that is mostly associated with acid rain is

ANitrogen oxides
BOzone
CFlourine
DCarbony (IV) oxide
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