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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.

85 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

85 questions

Question 1 of 20 85 total questions

Question 31

jamb 2023

What is the tissue responsible for transporting water and minerals from the roots to the rest of the plant?

AXylem

BEpidermis

CParenchyma

DPhloem

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Question 32

jamb 2023

In monohybrid inheritance, if an organism carries two different alleles for a particular gene, it is called:

AHomozygous

BDominant

CHeterozygous

DRecessive

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Question 33

jamb 2023

Most fishes do not sink in water because of the presences of:
I. swim bladder
II. air bladder
III. air sacs
IV. air in spongy bones

AII and III are correct

BI and II are correct

CI, II, III and IV are correct

DIII and IV are correct

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Question 34

jamb 2023

Which gland is responsible for producing the hormone insulin?

AThyroid gland

BPituitary gland

CPancreas

DAdrenal gland

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Question 35

jamb 2023

Which of the following is the primary organ involved in gas exchange during respiration in humans?

ADiaphragm

BBronchi

CLungs

DTrachea

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Question 36

jamb 2023

The term cell was given by

ARobert Hooke

BSchwann

CDe Bary

DTatum

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Question 37

jamb 2023

Which of the following represents an example of ecological management and conservation through a biological association?

AConstruction of a dam for hydroelectric power

BIntroduction of an invasive species for pest control

CClear-cutting of a forest for timber extraction

DEstablishment of marine protected areas

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Question 38

jamb 2023

Which of the following are components of the skeletal system in humans?

ACartilage and blood vessels

BLigaments and tendons

CMuscles and nerves

DBones and joints

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Question 39

jamb 2023

Which of the following is an example of physiological variation in organisms?

AVariation in blood pressure among individuals

BVariation in beak shape among finches

CDifferences in fur color in rabbits

DVariation in leaf shape in plants

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Question 40

jamb 2023

A biome characterized by hot summer, warm winter and treeless vegetation is

ASteppe grasslands

BTemperate deserts

CSavannah grassland

DTropical deserts

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Question 41

jamb 2023

Which of the following is a characteristic feature of Kingdom Plantae?

APresence of chloroplasts

BAbility to perform photosynthesis

CLack of cell walls

DHeterotrophic mode of nutrition

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Question 42

jamb 2023

Which of the following is an evolutionary trend commonly observed in organisms?

ADecreased complexity over time

BIncreased dependence on external resources

CIncreased genetic diversity within populations

DDecreased adaptation to the environment

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Question 43

jamb 2023

Which of the following is NOT a part of the alimentary canal?

AOesophagus

BLarge intestine

CLiver

DSmall intestine

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Question 44

jamb 2023

Which of the following is an example of an adaptation for survival in social insects?

AMigration to warmer climates

BProduction of venom for defense

CFormation of complex caste systems

DHibernation during winter months

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Question 45

jamb 2023

Which of the following is evidence of evolution?

AAll of the above.

BSimilarities in embryonic development

CFossils of extinct organisms

DHomologous structures in different species

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Question 46

jamb 2023

The membrane around the vacuole is known as

AElaioplast

BAmyloplast

CTonoplast

DCytoplast

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Question 47

jamb 2023

Which of the following is a characteristic of cells related to irritability?

AAbility to respond to stimuli

BAbility to synthesize proteins

CAbility to generate energy

DAbility to replicate DNA

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Question 48

jamb 2023

Which of the following is an example of a microorganism in action as a disease vector?

AFungi decomposing dead plant material

BMosquito transmitting malaria

CBacteria causing food poisoning

DAlgae producing oxygen through photosynthesis

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Question 49

jamb 2023

Which hormone regulates blood sugar?

Ainsulin

Bthyroxine

Cadrenaline

Doestrogen

Question 50

jamb 2023

Which part of the plant conducts water?

Axylem

Bepidermis

Ccortex

Dphloem

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