2001 - JAMB Biology Past Questions and Answers - page 5

41
In man, the ability to roll the tongue is a variation classified as
A
anatomical
B
physiological
C
structural
D
morphological
correct option: b
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42
Darwin is considered the first scientist who correctly explained the theory of
A
special creation
B
spontaneous generation
C
use and disuse
D
organic evolution
correct option: d
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43
The stem of a typical aqautic plant usually has many
A
air cavities
B
intercellular space
C
water cavities
D
water conducting cells
correct option: a
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44
The role of the male adult honey bee is to
A
clean the hive
B
ventilates the hive
C
mate with the queen
D
care for the young
correct option: c
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45
The ability of an organism to live successfully in an environment is known as
A
resistance
B
competetion
C
succession
D
adaptation
correct option: d
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46
The most important adaptation of xerophytes is the ability of the protoplasm to
A
resist being damaged by loss of water
B
store sugar and minerals in the vacuoles
C
absorbs water and swell
D
shrink from the cell wall
correct option: a
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47
A green snake in green grass is able to escape notice from predators because of its
A
disruptive colouration
B
counter shading
C
warning colouration
D
cryptic colouration
correct option: d
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48
For heterotrophic organisms, competition is least caused by the inadequacy of
A
mates
B
space
C
light
D
nutrients
correct option: c
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