2016 - JAMB Biology Past Questions and Answers - page 3

21
The micro-organisms that causes Typhoid disease is
A
trypanosome gambiense
B
Salmonella typhi
C
entamocbahistolytica
D
plasmodium sp
correct option: b
Users' Answers & Comments
22
A collection of population of all living organisms that exist in a habitat is referred to as
A
niche
B
ecosystem
C
community
D
environment
correct option: c
Users' Answers & Comments
23
The theory of use and disuse of organs was promulgated by
A
Alfred Wallace
B
Charles Darwin
C
Gene Lamarck
D
Robert Hook
correct option: c
Users' Answers & Comments
24
The theory of natural selection was postulated by
A
Gregor Mendel
B
Matthias Schleiden
C
Charles Darwin
D
Robert Hook
correct option: c
Users' Answers & Comments
25
The movement response of a cockroach away from a light source is
A
negative phototropism
B
positive phototaxism
C
negative phototropism
D
postive phototropism
correct option: a
Users' Answers & Comments
26
Which of the following can cause shrinkage of living cells?
A
Deionized water
B
Hypotonic solution
C
Isotonic solution
D
Hypertonic solution
correct option: d
Users' Answers & Comments
27
The ability of chemelon to change its colour rapidly is an adaptation for
A
obtaining food
B
attraction mate
C
communication
D
escaping detection
correct option: d
Users' Answers & Comments
28
The function of the red head in male Agama lizards is to
A
scare other males from the territory
B
warn predators of the distastefulness of the animal
C
attract female lizards for mating purposes
D
conceal and camouflage the animal from predators
correct option: c
Users' Answers & Comments
29
The activity of ptyalin is likely to decrease with an increase in the concentration of
A
oxygen
B
starch
C
protein
D
acid
correct option: d
Users' Answers & Comments
30
Seed plants are divided into
A
monocoty ledons and dicotyledons
B
tracheophytes and ferns
C
angiosperms and gymnosperms
D
thallophytes and bryophytes
correct option: c
Users' Answers & Comments
Please share this, thanks: