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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.

114 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

114 questions

Question 1 of 20 114 total questions

Question 11

waec 2006

Which of the following statements about feeding relationships is correct?

AIn a food web on land, grasshopper feeds on praying mantis and on predator bugs

BIn a food chain on land, green plant is the producer

CIn an aquatic food chain mollusc larvae are the producers

DIn an aquatic food web, various copepods feed on mollusk Larvae and on sand eel

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Question 12

waec 2006

Organisms that feed essentially on plants within any ecosystem may be referred to as

Acarnivores

Bherbivores

Csaprophytes

Domnivores

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Question 13

waec 2006

Which of these factors are common to both aquatic and terrestrial habitats?

ALight, rainfall and turbidity

BLight, temperature and tide

CLight, rainfall and temperature

DRainfall, turbidity and salinity

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Question 14

waec 2006

The physical and chemical factors which affect the life of organisms in an environment are described as

Abiotic

Bedaphic

Cabiotic

Dphysiographic

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Question 15

waec 2006

The group of several populations that interact and share a habitat, form

Aa species

Ba community

Can ecotype

Da tribe

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Question 16

waec 2006

Which of the following components of an ecosystem does not contribute to the biomass of the system?

AProducers

BConsumers

CMicro-organisms

DHabitat

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Question 17

waec 2006

The first step in carrying out ecological studies in a terrestrial habitat is

Aquadrat sampling

Bmapping the area

Ccollection of organisms

Dmeasuring abiotic factors

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Question 18

waec 2006

Siphons and gills are structures in aquatic organisms used for

Agaseous exchange

Bbuoyancy

Cexcretion

Dmovement

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Question 19

waec 2006

Which of the following organisms feeds both autotrophically and heterotrophically?

AHydra

BParamecium

CMucor

DEuglena

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Question 20

waec 2006

The examples of autotrophic organisms include the following except

AEuglena

BChlamydomonas

CHydra

DSpirogyra

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Question 21

waec 2006

Which of the following organisms is not considered as a parasitic plant?

ACassytha

BRhizopus

CDodder

DMistletoe

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Question 22

waec 2006

If an enzyme works best in an acid medium, in which of the following parts of the human gut is the pH best for
enzyme activities? In the

Aileum, pH 9.0

Bstomach, pH 2.0

Cduodenum, pH 7.0

Dmouth cavity; pH 8.0

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Question 23

waec 2006

Which of the following food substances would produce a translucent mark when rubbed on a white paper?

APotato

BBeans

CMango

DGroundnut

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Question 24

waec 2006

Study the following list of deficiency symptoms in animals; use it to answer the questions below
I. Loss of appetite and weight; II. Delayed healing of wounds; III. Rickets; IV Sterility in animals
V Failure of blood to clot; VI. Night blindness
Which of the following combination of food substances would correct the deficiency numbered II?

ATomatoes, oranges and mangoes

BYeast, liver and rice

CRed palm oil, carrot and egg yolk

DGreen vegetables, butter and meat

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Question 25

waec 2006

Which of the following vitamins would correct the deficiency numbered V?

AVitamin K

BVitamin A

CVitamin C

DVitamin B

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Question 26

waec 2006

Which of the following deficiencies is caused by lack of vitamin A

BIII

DVI

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Question 27

waec 2006

A one-seeded fruit in which the pericarp has fused with the seed coat is classified as

Aa berry

Ba caryopsis

Ca legume

Dan achene

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Question 28

waec 2006

If the mucus in the air track of mammals dry up and the hairs in the nostrils are removed

Aimpure air would be breathed into their lungs

Bthe speed of air movement into their lungs would increase

Cbreathing air into their lungs would be difficult

Dmore air would be taken into their lungs

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Question 29

waec 2006

Which of the following is not a component of the appendicular skeleton?

AUlna

BAtlas

CFemur

DPelvic girdle

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Question 30

waec 2006

Which of the following vertebrae provide articulating surfaces for the ribs?

AThoracic

BLumbar

CCervical

DSacral

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