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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.

5,032 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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5,032 questions

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Question 381

waec 2019

The diagram above is an illustration of a process occurring in a living animal cell. Study it and answer this question

The process occurs in the _______

ANucleus

BMitochondrion

CGolgi body

DCytoplasm

View Explanation & Discuss

Question 382

waec 2019

Individuals with blood group AB can donate blood to individuals with blood group(s)___________?

AA and B

BA and O

CAB only

DO only

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Question 383

waec 2019

Which of the following factors is not a source of variation in living organisms?

AEnvironment

BInheritance

CMitosis

DMeiosis

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Question 384

waec 2019

Which of the following roles is not performed by a government agency responsible for forest maintenance?

ARegulating the harvest of timber and poaching

BCreating, protecting and managing the forest reserves

CTracking the movement of timber, wood, and wildlife

DRegulating mining activities in the forest

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Question 385

waec 2019

Which of the following resources is renewable?

APetroleum

BCoal

CIron

DTrees

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Question 386

waec 2019

Cholera is mostly spread by_______

Aair

Bsoil

Cwater

Dnoise

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Question 387

waec 2019

Maize grains are best stored against insect attacks by__________________

Akeeping in a silo

Bstoring in the room

Cleaving them on their cobs

Dcovering with leaves

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Question 388

waec 2019

Tall trees with unbranched trunks which grow above the upper storey of the forest are commonly referred to as _____

AEmergents

BHerbs

CLianes

DShrubs

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Question 389

waec 2019

In the pyramid of energy illustrated above, the organism with the least amount of transferred energy is___________

ASpirogyra

BTadpole

CFish

DBird

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Question 390

waec 2019

Organisms in an ecosystem are usually grouped according to their trophic level into__________

Acarnivores and omnívores,

Bconsumers and parasites

Cproducers, and saprophytes

DProducers and consumers

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Question 391

waec 2019

Which of the following soil fertility improvement methods will have the most negative effect on the ecosystem if not controlled?

AApplication of N-P-K fertilizer

BShifting cultivation

CMixed farming

DCrop rotation

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Question 392

waec 2019

The specific role of a species within íts environment is known as its_________

Ahabitat

Bniche

Ctrophic level

Dbiotic community

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Question 393

waec 2019

The complex relationship between the members of a community and their physical environment is known as________

Acommensalism

Bsymbiosis

Csaprophytism

Decology

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Question 394

waec 2019

If 90 ants are found in a field with a total area of 100 m. what is the population density of the ants?

A0.09

B0.90

C9.00

D90.00

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Question 395

waec 2019

The salinity of a brackish habitat________

Aincreases immediately after rainfall

Bincreases at the end of the rain

Cdecreases with an increase in the number of organisms

Dincreases during the dry season

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Question 396

waec 2019

The conversion of ammonium salts into nitrates is called_______

Aputrefaction

Bdenitrification

Cfixation

Dnitrification

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Question 397

waec 2019

Tooth decay is usually caused by___________

Aundigested and absorbed food

Beating a limited amount of sweetened food.

Cthe bacteria ín the mouth that metabolize sugar to acids

Deating a lot of proteinous foods

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Question 398

waec 2019

The digestion of proteins starts in the______

Asmall intestine

Bstomach

Clarge intestine

Dmouth

View Explanation & Discuss

Question 399

waec 2019

The major mineral present in the shell of Molluscs is________

ACopper

BSodium

CIron

DCalcium

View Explanation & Discuss

Question 400

waec 2019

Light is excluded from a water culture experiment in order to________

Aprevent overheating of the roots

Benable the roots to grow straight down

Cprevent ionization of water molecules

Dprevent the growth of algae

View Explanation & Discuss

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