2011 - JAMB Biology Past Questions & Answers - page 1

1
The function of the red head in male Agama lizards is to
A
conceal and camouflage the animal from predators
B
scare other males from the territory
C
attract female lizards for mating purposes
D
warm predators of the distastefulness of the animal
CORRECT OPTION: c
2
In which of the following species is the biomass of an individual the smallest ?
A
Agama sp
B
Bufo sp
C
Spirogyra sp
D
Tilapia sp
CORRECT OPTION: c
3
Seed plants are divided into
A
trachephytes and ferns
B
angiosperms and gymonsperms
C
monocotyledons and dicotyledons
D
thallophytes and bryophytes
CORRECT OPTION: b
4
In which of the following groups of vertebrates is parental care mostly exhibited ?
A
Reptilia
B
Amphibia
C
Aves
D
Mammalia
CORRECT OPTION: d
5
The adaptive importance of nuptial flight from termite colonies is to
A
disperse the reproductives in order to establish new colonies
B
provide abundant food for birds and other animals during the early rains
C
ensure cross-breeding between members of one colony and another
D
expel the reproductives so as to provide enogh food for other members
CORRECT OPTION: a
6
An example of an endospermous seed is
A
maize gain
B
cashew nut
C
cotton seed
D
been seed
CORRECT OPTION: a
7
Which of the following can cause shrinkage of living cells?
A
Hypotonic solution
B
Isotonic solution
C
Deionized water
D
Hypertonic solution
CORRECT OPTION: d
8
Which of the following is true of leucocytes?
A
they are respiratory pigments
B
they are most numerous and ramify all cells
C
they are large and nucleated
D
they are involved in blood clotting
CORRECT OPTION: c
9
The conversion of a nutrient into a molecule in the body of a consumer is referred to as
A
digestion
B
assimilation
C
absorption
D
inhibition
CORRECT OPTION: b
10
The ability of living organism to detect and respond to changes in the environment is referred to as
A
locomotion
B
irritability
C
growth
D
taxis
CORRECT OPTION: b
Pages: