2004 - JAMB Biology Past Questions and Answers - page 5
41
Sex - linked genes are located on
A
Y - chromosomes
B
X - and Y - chromosomes
C
homologous chromosome
D
X - chromosome
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42
Which of the following is an example of intraspecific competition?
A
a lizard and an ant-eater chasing an insect
B
a worker termite and a soldier in a limited
C
a hawk and an eagle targeting the same chicken
D
yam and potato shots growing out through the same window
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43
Plants survive hot dry conditions by
A
storing water in large parenchyma cells
B
producing numerous leaves
C
having numerous stomata
D
having evergreen leaves
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44
Rodents gnaw on food with their
A
molar teeth
B
strong jaws
C
flat-ridged teeth
D
chisel - like front teeth
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45
The spots and stripes of the leopard and tiger are example of
A
cryptic colouration
B
warning colouration
C
disruptive colouration
D
counter shading
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46
An evidence of the relationship between living organisms and their extinct relatives can best be obtained from
A
embryology
B
comparative anatomy
C
comparative physiology
D
palaeontology
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47
A
II to III
B
IV to I
C
I to II
D
III to IV
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48
A
stigma
B
anther
C
filament
D
style
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49
A
lumbar vertebrae
B
thoracic vertebrae
C
cervical vertebrae
D
sacral vertebrae
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50
A
hinge joint
B
ball and socket joint
C
suture joint
D
sliding joint
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