2000 - JAMB Biology Past Questions and Answers - page 4
31
A
IV
B
III
C
II
D
I
correct option: a
Users' Answers & Comments32
A
IV
B
III
C
II
D
I
correct option: b
Users' Answers & Comments33
Which of the following growth activities in plants is brought about by gibberellins?
A
Rapid cell division
B
Tropic response
C
Cell elongation
D
Main cell elongation
correct option: c
Users' Answers & Comments34
Which of the following are adaptations of animals to aquatic habitats?
A
Gills, streamlined bodies and lateral lines
B
Lateral line, streamlined bodies and lungs
C
Gills, scaly skin and lungs
D
Gills, streamlined bodies and spiracles
correct option: a
Users' Answers & Comments35
Which of the following is an adaptation of forest species?
A
Few stomata
B
Thick bark
C
Buttress roots
D
Reduced leaves
correct option: c
Users' Answers & Comments36
In a food chain, each succeeding level in a forward direction represents
A
an increase in the number of individuals
B
a decrease in the number of individuals
C
an increase in the biomass of individuals
D
a gain in the total energy being transferred
correct option: c
Users' Answers & Comments37
The disaster that would have the least destructive impact on animal life and balance in nature is
A
chemical pollution
B
forest fires
C
oil spillage
D
grasshopper pests
correct option: d
Users' Answers & Comments38
The legs and beak of an egret resemble those of the heron because they
A
both feed on fishes
B
are both birds
C
occupy similar niche
D
occupy the same trophic level
correct option: a
Users' Answers & Comments39
The factors that determine the distribution of vegetation zones are
A
temperature, light, rain and humidity
B
light, humidity, air and mist
C
temperature, light, air and humidity
D
humidity, snow, frost and dew
correct option: a
Users' Answers & Comments40
A cross between an albino female and a genetically normal male will result in offspring that are
A
all albino
B
all phenotypically normal
C
all genetically normal
D
half albino and half normal
correct option: b
Users' Answers & Comments