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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.

351 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

351 questions
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Question 1 of 20 351 total questions
Question 131
neco 2002
In genetics, test cross is used to
Aconfirm the number of offspring in F1
Bconfirm the number of gametes present in parents
Ctest for heterozygosity
Dtest for X and Y chromosomes
Etest for the phenotypic ratio
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Question 132
neco 2002

A pair of genes which controls a trait is described as

Aallele
Bdominant
Chybrid
Drecessive
Evariant
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Question 133
neco 2001

Which is NOT a social animal?

AAnt
BBee
CButterfly
DTermite
EWolf
View Explanation & Discuss
Question 134
neco 2001

What type of association does an epiphyte on a tree trunk illustrate?

ACannibalism
BCommensalism
CParasitism
DSaprophytism
ESymbiosis
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Question 135
neco 2001

Which organism is NOT a filter feeder?

AAdult mosquito
BCopepod
CMosquito larva
DOyster
EWhale
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Question 136
neco 2001
The organelle which is contractile in function in Euglena is the
AChloroplast
BEyespot
CGullet
DMyoneme
EParamylon
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Question 137
neco 2001
Which world biomes can be found in Nigeria?
AAfro-alpine
BConiferous forest
CDessert
DSavannah
ETundra
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Question 138
neco 2001
The vector of trypanosome is the
Ablack fly
Bcockroach
Chouse –fly
Dmosquito
ETsetse fly
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Question 139
neco 2001
The genotype of a species with respect to a particular trait can be determined by carrying out
Aa back cross with a pure stock known to be recessive for that trait
Ba cross between two F, generations that are heterozygous for the trait
Ca testcross with a pure stock known to be dominant for the trait
Din-breeding among the members of the species
Eout-breeding with an exotic variety of the species
View Explanation & Discuss
Question 140
neco 2001
Soil fertility is NOT conserved by
Acontinuous cropping
Bcontour ridging
CCrop rotation
DMulching
ETerracing
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Question 141
neco 2001
The tissue which carries organic food from its site of production to all other parts of the plant is called the
ACambium
BEpidermis
CPhloem
DSclerenchyma
EXylem
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Question 142
neco 2001
The number of individuals of a species per unit area of the habitat can be best described as
ADistribution
BFrequency
CPercentage cover
DPopulation size
EPopulation density
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Question 143
neco 2001

Which caste is NOT found in termites?

ADrone
BKing
CQueen
DSoldier
EWorker
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Question 144
neco 2001
A cell that is capable of self existence is a/an
AAmoeba
BHuman cheek cell
COnion epidermal cell
Dovum
Espermatozoom
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Question 145
neco 2001

The first bone of the vertebral column located in the neck region is called

AAtlas
BAxis
CCaudal.
DCervical.
EThoracic
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Question 146
neco 2001
The movement of food in soluble form within the vascular bundles to all parts of the plant is known as
ADiffusion
BEvaporation
CTransportation
DTranslocation
ETranspiration
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Question 147
neco 2001
Which plant hormone inhibits the development of lateral buds in plants
AAbscisic acid
BAuxins
CCytokinins
DFlorigen
EgberelIins
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Question 148
neco 2001
The scientist who propounded the theory of inheritance of acquired characters via use and disuse was
AAugust Weismann
BCharles Darwin
CGregory Mendel
DJean Lamarck
EThomas Morgan
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Question 149
neco 2001
The toad’s long sticky tongue is an adaptation for
ACatching insects
BConserving water
CEscaping from its predators
DRegulating, body temperature
ESecuring mates
View Explanation & Discuss
Question 150
neco 2001
The process through which excess amino acids in the body are broken down into urea and a carbohydrate is called
Adeamination
Bdenaturation
Cdetoxication
Demulsification
Eexcretion
View Explanation & Discuss
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