Biology Past Questions

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 1131
jamb 2007

In which of the following Nigeria states can mountain vegetation be found?

ATaraba
BEnugu
CBauchi
DPlateau
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Question 1132
jamb 2007

A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is

Atemperature
Bcompetition
CpH
Dlight
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Question 1133
jamb 2007

The mangrove swamp in Nigeria is restricted to the

Asahel savana
Bsudan savanna
Cguinea savanna
Dtropical rain forest
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Question 1134
jamb 2007

The highest level of ecological organization is the

Aecosystem
Bpopulation
Cbiosphere
Dniche
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Question 1135
jamb 2007

A crucible of 5g weighed 10g after filling with fresh soil. it is then heated in an oven at 100°C for 1 hour. After cooling in a desiccator, the weight was 8g.The percentage of water in the soil is 

A80%
B60%
C20%
D40%
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Question 1136
jamb 2007

One adaptation shown by hydrophytes in freshwater habitats is the

Aleaves reduced to spines
Bpoor development of roots and xylem tissues
Cwaxy cuticle on shoot surface
Dwell developed roots and supporting system
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Question 1137
jamb 2007

Which of the following is an example of parasitism?

Afungi growing on a dead tree branch
Ba squirrel living in an abondoned nest of a bird
Cmistletoe growing on an orange tree
Dcattle egrets taking ticks from the body of cattle
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Question 1138
jamb 2007

The causative agent of bird flu is a

Aprotozoan
Bvirus
Cbacterium
Dfungus
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Question 1139
jamb 2007

The increasing order of the particle size in following soil type is

Aclay → sand → silt →gravel
Bsilt → sand → clay → gravel
Cclay → silt → sand → gravel
Dsilt → clay → sand → gravel
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Question 1140
jamb 2007

The organs that will be most useful to giant African rats in finding their way in underground habitats are the

Avibrissae
Bnostrils
Ceyes
Dtails
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Question 1141
waec 2006
Which of the following orders correctly represents the trend in eutrophication?
ALack of oxygen → Death of aquatic organisms → Massive algal growth
BExcess nitrates and phosphates → Massive algal growth → Lack of oxygen → Death of aquatic organisms
CHeavy mineralization → Lack of oxygen → Massive algal growth
DExcess nitrates and phosphates → Lack of oxygen → Massive algal growth → Death of aquatic organisms
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Question 1142
waec 2006
The physical and chemical factors which affect the life of organisms in an environment are described as
Abiotic
Bedaphic
Cabiotic
Dphysiographic
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Question 1143
waec 2006
The ventricles of the mammalian heart have thicker
muscular walls than the auricles because the
Aventricles are larger
Bventricles receive more blood
Cventricles pump blood to longer distances
Dauricles have smaller capacity
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Question 1144
waec 2006
Which of the following vertebrae provide articulating surfaces for the ribs?
AThoracic
BLumbar
CCervical
DSacral
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Question 1145
waec 2006
Which of the following vertebrae provide articulating surfaces for the ribs?
AThoracic
BLumbar
CCervical
DSacral
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Question 1146
waec 2006
The long necks and legs of the present day giraffes were some of the basis of
ADarwins’ theory of evolution
BMendel’s theory of inheritance
CLamarck’s theory of evolution
DDeVries theory of evolution
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Question 1147
waec 2006
Honey-Bee workers carry out the following functions except
Alaying eggs
Bbuilding nests
Ccleaning the nest
Dgathering food
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Question 1148
waec 2006

Courtship behaviour in animals may include all of the following except

Ahowling of a dog
Bdancing of the worker bee
Ccroaking of a toad
Dbasking in the sun by a lizard
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Question 1149
waec 2006
a pure breeding white cat (homozygous dominant) mates with a pure breeding black cat (recessive), what would be the fur colour of F1 generation
AHomozygous white
BHomozygous black
CHeterozygous white
DHeterozygous black
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Question 1150
waec 2006
The haploid number of chromosomes in humans is
A48
B46
C24
D23
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