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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.

117 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

117 questions

Question 1 of 20 117 total questions

Question 21

jamb 2024

Use the diagram above to answer the question that follows

What is the genotypic ratio of the offspring produced in F\(_1\) generation?

A2:1:1

B1:2:1

C2:2

D3:1

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Question 22

jamb 2024

How many chromosomes will be present in a gamete if the somatic cell has 8 chromosomes?

A16

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Question 23

jamb 2024

Lamarck's theory of evolution is based on the idea of

Athe inheritance of acquired traits

Borganisms' survival of the fittest

Corganisms constantly struggling for existence

Dplenty offspring produced by organisms

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Question 24

jamb 2024

Use the diagram above to answer the question that follows

The part labelled III is

Aabdomen

Bhead

Cmaxillae

Dthorax

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Question 25

jamb 2024

A form of adaptive colouration that helps animals to remain unnoticed is

Ahibernation

Baestivation

Ccountershading

Dmigration

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Question 26

jamb 2024

An example of organism that exhibits counter-shading to escape from its predator is

Agrasshopper

Btoad

Cfish

Dchameleon

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Question 27

jamb 2024

Blood group AB is considered as universal recipient because they can receive blood from groups

AA and O

BB and O

CAB and O

DA, B, AB and O

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Question 28

jamb 2024

A trait that is always expressed during crossing of hereditary characteristics is

Arecessive trait

Bdominant trait

Chomozygous trait

Dheterozygous trait

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Question 29

jamb 2024

In blood transfusion, a patient with group AB receives

AGroup A, B, AB

BGroup O, A, B

CGroup O, B, AB

DGroup O, A, B, AB

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Question 30

jamb 2024

One of the following is a courtship behaviour in animals

Afighting

Bdisplay

Chibernation

Dfeeding

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Question 31

jamb 2024

Production of healthier offspring, viable seeds and formation of new varieties are good characteristics

Aself pollination

Bcross pollination

Cwind pollination

Dinsect pollination

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Question 32

jamb 2024

The pigment carrying oxygen in the blood is

Aplasma

Bhaemoglobin

Coxyhaemoglobin

Derythrocytes

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Question 33

jamb 2024

Energy transfer in plants and animals are in the form of

ADNA

BATP

CGTP

DRNA

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Question 34

jamb 2024

In which zone of the marine habitat does the organisms require adaptation for attachment?

ASupratidal

BSubtidal

Cintertidal

Dabyssal zone

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Question 35

jamb 2024

Xerophytes are mostly found in the

Aarid land

Btropical rainforest

Cmontane forest

DSudan savanna

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Question 36

jamb 2024

A photosynthetic carnivorous plant which feeds on insects is

Aparasitic

Bsaprophytic

Cherbivorous

Dinsectivorous

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Question 37

jamb 2024

The feeding relationship between ruminants and the bacteria in their digestive tract is

Asaprophytic

Bparasitic

Csymbiotic

Dheterotrophic

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Question 38

jamb 2024

Pentadactyl forelimb of vertebrate function due to differences in environment is

Acomparative anatomy

Bphysiological evidence

Cembryological evidence

Dfossil records

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Question 39

jamb 2024

Which of the following evidences of evolution employs the use of radio-isotope dating?

Acomparative anatomy

BEmbryology

CFossil records

Dvestigial organs

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Question 40

jamb 2024

Use the diagram above to answer the question that follows

The organ is responsible for

Aproduction of heat

Bosmoregulation

Cvasoconstriction

Dproduction of hormones

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