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.

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 61
jamb 2025

The variation that can be applied in crime detection is 

Atongue rolling
Bheight
Ccolour
Dfingerprints
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Question 62
jamb 2025

Genetically Modified Organisms (GMO) food products are of benefit to farmers because they are 

Aresistant crop varieties
Bsusceptible to diseases
Cof low quality
Dlow yielding varieties
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Question 63
jamb 2025

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

Ahibernation
Baestivation
Cmigration
Dcountershading
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Question 64
jamb 2025

Appendix in humans and caecum in herbivores are evidences of evolution from

Avestigial organ
Bfossil records
Ccomparative anatomy
Dembryology
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Question 65
jamb 2025

Population replacement among species of organisms in a given habitat under competition is due to 

Asurvival of the fittest
Bclimax community
Cnatural selection
Ddominant population
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Question 66
jamb 2025

The correct base pair in DNA molecule is 

Acytosine - adenine
Bcytosine - thymine
Cguanine - adenine
Dadenine - thymine
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Question 67
jamb 2025

Which of the following is an example of vestigial structure?

AElephant trunk
BHuman appendix
CBird wings
DFish gills
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Question 68
jamb 2025

An example of a reflex action is 

Awriting
Btalking
Ccoughing
Dwalking
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Question 69
jamb 2025

Albinism is a disorder caused by

Aunder production of sebum
Bover secretion of sebum
Crecessive genes
Dover production of melanin
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Question 70
jamb 2025

One of the following adapts baobab tree to savanna habitat.

APresence of deciduous stem
BPresence of tap roots
CPresence of broadleaves
DPresence of thick bark
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Question 71
jamb 2025

The most advanced organism in an evolutionary trend among the following is 

Aplanaria
Bparamecium
Cearthworm
Dhydra
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Question 72
jamb 2025

Translocation of manufactured food in plants is through the 

Apericycle
Bphloem cells
Cendodermis
Dxylem vessels
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Question 73
jamb 2025

The canine teeth are prominent in which group of animals?

ACarnivores
BParasites
CHerbivores
DOmnivores
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Question 74
jamb 2025

The vertebrate bone responsible for the attachment of the abdominal muscles is

Asacral
Bthoracic
Clumber
Dcervical
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Question 75
jamb 2025

The structure that helps in the formation of cilia and flagella is

Aplastid
Bcentriole
Cgolgi bodies
Dlysosome
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Question 76
jamb 2025

In a cross involving a heterozygous red flower plant (Rr) and a white flowered plant (rr), what is the probability that the offspring will be Rr?

A\(\frac{1}{2}\)
B1
C\(\frac{1}{4}\)
D2
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Question 77
jamb 2025

The innermost layer of mammalian epidermis is 

Acapillaries layer
Bcornified layer
Cgranular layer
Dmalphigian layer
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Question 78
jamb 2025

In ecological succession, the final stable community is called

Aclimax
Bsecondary
Cserial
Dpioneer
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Question 79
jamb 2025

The following are factors that affect the population growth of an organism except

Apredator
Bfood shortage
Cnatality
Ddisease
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Question 80
jamb 2025

The mouth parts of a grasshopper are adapted for

Apiercing and sucking
Bsucking and chewing
Cbiting and chewing
Dbiting and sucking
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