1998 - JAMB Biology Past Questions and Answers - page 3
21
Which of the following is not a function of the mammalian skeleton?
A
Protection
B
respiration
C
Transportation
D
Support
22
A
half-superior
B
inferior
C
superior
D
half-inferior
23
The most reliable estimate of growth is by measuring changes in
A
length
B
volume
C
surface area
D
dry weight
24
A dry fruit formed from two or more carpels containing several seeds is a
A
follicle
B
legume
C
capsule
D
schizocarp
25
The outermost embryonic membrane in the mammal is the
A
amnion
B
chorion
C
allantois
D
yolk sac
26
The small masses of nervous tissues in which many neurones have their nuclei are called
A
dorsal roots
B
ventral roots
C
ganglia
D
synapses
28
A group of organisms of different species living in a particular area is described as a
A
colony
B
community
C
population
D
niche
29
Which of the following is the direct consequence of transferring energy from one trophic level to another?
A
An increase in biomass
B
A decrease in the efficiency
C
An increase in the total numbers of resulting individuals
D
A decrease in the resulting biomass
30
The condition that encourages denitrification is
A
low soil oxygen
B
high soil nitrogen
C
absence of soil bacteria
D
lightening and thunderstrom
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