1999 - JAMB Biology Past Questions & Answers - page 1

1
The organism that has a hydrostatic skeleton is
A
Tilapia
B
Hydra
C
mosquito larva
D
earthworm
CORRECT OPTION: d
2
The possession of scales, laying of eggs with shells and bony structure of the head are characteristics shared by
A
birds and reptiles
B
fishes and birds
C
reptiles and fishes
D
birds and molluscs
CORRECT OPTION: c
3
The group of Arthropods that has no antennae is the
A
Crustacea
B
Chilpoda
C
Arachnida
D
Diplopoda
CORRECT OPTION: c
4
The structure that is most commonly identified in all living cells under the light microscope is the
A
mitochondrion
B
chloroplast
C
nucleus
D
ribosome
CORRECT OPTION: c
5
Which of the following is an organ?
A
Guard cell
B
Liver
C
Xylem bundle
D
Blood
CORRECT OPTION: b
6
The structure labelled II is used for
A
tasting
B
feeling
C
biting
D
sucking
CORRECT OPTION: b
7
The structure labelled III represents the
A
mandible
B
palp
C
proboscis
D
labium
CORRECT OPTION: c
8
The division of a body into two equal halves along a longitudinal plane is called
A
bilateral symmetary
B
transverse section
C
radial symmetry
D
longitudinal section
CORRECT OPTION: a
9
In which of the following organisms does each cell combine the function of nutrition, reproduction and growth?
A
Rhizophus
B
Dryopteris
C
Brachymenium
D
Spirogyra
CORRECT OPTION: d
10
They key event in the transition of the amphibians from water to land is the
A
replacement of the gills with lungs
B
possession of webbed limbs
C
development of long hing limbs
D
possession of tympanic membrane
CORRECT OPTION: a
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