2007 - JAMB Biology Past Questions and Answers - page 5
41
A
nuclear membrane
B
cell wall
C
endoplasmic recticulum
D
plasmellema
correct option: d
Users' Answers & Comments42
The organs that will be most useful to giant African rats in finding their way in underground habitats are the
A
vibrissae
B
nostrils
C
eyes
D
tails
correct option: a
Users' Answers & Comments43
The increasing order of the particle size in following soil type is
A
clay → sand → silt →gravel
B
silt → sand → clay → gravel
C
clay → silt → sand → gravel
D
silt → clay → sand → gravel
correct option: c
Users' Answers & Comments44
The causative agent of bird flu is a
A
protozoan
B
virus
C
bacterium
D
fungus
correct option: b
Users' Answers & Comments45
Which of the following is an example of parasitism
A
fungai growing on a dead tree branch
B
a squirrel living in an abondoned nest of a bird
C
mistletoe growing on an orange tree
D
cattle egrets taking ticks from the body of cattle
correct option: c
Users' Answers & Comments46
One adaptation shown by hydrophytes in freshwater habitats is the
A
leaves reduced to spines
B
poor development of roots and xylem tissues
C
waxy cuticle on shoot surface
D
well developed roots and supporting system
correct option: b
Users' Answers & Comments47
A crucible of 5 g m weighed 10 gm 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 8 gm. The percentage of water in the soil is
A
80%
B
60%
C
20%
D
40%
correct option: d
Users' Answers & Comments48
The highest level of ecological organization is the
A
ecosystem
B
population
C
biosphere
D
niche
correct option: c
The biosphere is the global sum of all ecosystems. The two joined words are "bio" and "sphere". It can also be termed as the zone of life on Earth, a closed system, and largely self-regulating.
Users' Answers & Comments49
The mangrove swamp in Nigeria is restricted to the
A
sahel savana
B
sudan savanna
C
guinea savanna
D
tropical rain forest
correct option: d
Users' Answers & Comments50
A biotic factor which affects the distribution and abundance of organisms in a terrestrial habitat is
A
temperature
B
competition
C
pH
D
light
correct option: b
Users' Answers & Comments