1995 - JAMB Biology Past Questions and Answers - page 4
31
Biological growth refers strictly to an increase in the
A
protoplasm of an organism
B
number of organisms
C
size of an organism
D
development of form
correct option: a
Users' Answers & Comments32
The process of walking is under the control of the part of the brain called
A
optic lobe
B
olfactory lobe
C
cerebellum
D
medulla oblongata
correct option: c
Users' Answers & Comments33
The gland directly affecting metabolic rate, growth and development is known as
A
adrenal land
B
thyroid gland
C
mammary gland
D
parathyroid gland
correct option: b
Users' Answers & Comments34
Which of the following ions is involved in the conduction of the nerve impulse?
A
Ca2+
B
K+
C
H+
D
Mg2+
correct option: b
Users' Answers & Comments35
The depth of illumination in a water body can be measured with a
A
photometer
B
secchi disc
C
hydrometer
D
anemometer
correct option: b
Users' Answers & Comments36
In a food chain involving a primary producer, a primary consumer as well as a secondary consumer, the sharing of trophic energy is in the form that the
A
the primary consumer has more energy than the primary poducer
B
secondary consumer takes up all the energy contents of the primary consumer
C
energy is shared equally between the three groups of organism
D
secondary consumer gets only a small portion of the energy contained in the primary producer
correct option: d
Users' Answers & Comments37
In spite of the removal of carbondioxide from the atmosphere, its amount remains more or less constant because
A
it is produced by green plants during photosynthesis
B
it is produced during respiration of animals
C
it is absorbed inn ocean water
D
green plants release it during the day
correct option: b
Users' Answers & Comments38
In a tropical rain forest, non-epiphytic ferns and allies occur as
A
middle storey species
B
upper storey species
C
shade-loving species
D
emergent species
correct option: c
Users' Answers & Comments39
Colonization of a bare rock surface is termed
A
evolution
B
specification
C
primary succession
D
secondary succession
correct option: c
Users' Answers & Comments40
Which of the following is a measure for the control of bilharzia?
A
Cutting low brushes around homes
B
Application of molluscicides in water bodies
C
Screening windows and doors with mosquito nets
D
Application of herbicides in water bodies
correct option: b
Users' Answers & Comments