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Biology Past Questions

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5,032 questions

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Question 1161

waec 2006

Which of the following heart structures is best adapted
to cope with double circulation?

AOne auricle and one ventricle

BTwo auricles and one ventricle

CTwo auricles and partially divided ventricle

DTwo auricles and two ventricles

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Question 1162

waec 2006

Support in young herbaceous plants is provided by

Atranslocation

Bguttation

Cturgidity

Dosmosis

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Question 1163

waec 2006

The aspects of growth in living organisms include all
the following processes except

Aincrease in dry weight

Breversible increase in size

Cirreversible increase in length

Dincrease in number of cells

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Question 1164

waec 2006

Which of the following processes does not contribute
towards growth?

ACell division

BCell enlargement

CCell differentiation

DCell plasmolysis

View Explanation & Discuss

Question 1165

waec 2006

Which of the following environmental conditions is ideal
for plant cells to remain turgid?

AHot, dry weather

BWindy weather

CCold, dry weather

DCool, humid weather

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Question 1166

waec 2006

During the process of osmosis a semi-permeable
membrane allows

Aonly solute molecules to pass through it

Bboth solute and solvent molecules to pass through it

Conly solvent molecules to pass through it

Donly gaseous molecules to pass through it

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Question 1167

waec 2006

The physical process which occurs when a red blood
cell is placed in distilled water causing it to burst and
break down is known as

Acrenation

Bplasmolysis

Cturgidity

Dhaemolysis

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Question 1168

waec 2006

The folded portion of mitochondrion is called

Acristae

Bcell membrane

Cnucleolus

Dpartition

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Question 1169

waec 2006

Which of the following parts of a cell is not an organelle?

AFood vacuole

BMitochondrion

CCell wall

DNucleus

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Question 1170

waec 2006

The structure used for movement in Amoeba is

Acilia

Bpseudopodia

Cflagella

Dendoplasm

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Question 1171

waec 2006

Which of the following statements is correct about
organs?

AThey are composed of specialized cells

BThey perform a certain overall function

CThey are not found in plants

DUnicellular animals have few organs

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Question 1172

waec 2006

The epidermis of the mammalian skin is an example
of a tissue because the cells

Aprevent light from passing through them

Bhave a similar structure and function

Cprevent excessive loss of water

Dare impregnated with keratin

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Question 1173

waec 2006

Which of these organelles is common to both plant
and animal cells?

AChloroplast

BCentriole

CMitochondrion

DPyrenoid

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Question 1174

waec 2006

The following life processes are common to both
plants and animals except

Arespiration

Bgrowth

Creproduction

Dphotosynthesis

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Question 1175

jamb 2006

The main purpose of establishing shelter belts in the Sahel region is to

Acheck desert encroachment

Bprovide wood fuel

Cbeautify the region

Dbreak the harmattan wind

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Question 1176

jamb 2006

In the diagram, the association illustrated demonstrates

Aparasitism

Bcommensalism

Csaprophytism

Dmutualism

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Question 1177

jamb 2006

In the diagram, the importance of the association to the fungus is that it obtains

Aa partner for reproduction

Banchorage from the algea

Coxygen and carbohydrates from the algae

Dwater and mineral salts from the algae

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Question 1178

jamb 2006

In the diagram, the species whose distribution is not affected by rainfall is

Aii

Biv

Diii

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Question 1179

jamb 2006

In the diagram, Which of the following can be decided from the distribution?

Aspecies II is found only in locations where it rains all year round

Bspecies III inreases in number as rainfall increases

Cthe distribution of species IV is not dependent on rainfall

Dspecies I thrives under conditions of moderate to high rainfall

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Question 1180

jamb 2006

In the diagram, the structures used for offense and defense are labelled

Ai and iv

Bi and ii

Cii and iii

Diii and iv

View Explanation & Discuss

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