1994 - WAEC Biology Past Questions & Answers - page 1

1
All animals are dependent on green plants because plants
A
shelter them from excessive heat from the sun
B
give them protection from enemies
C
are used for building houses and furniture
D
beautify their surroundings
CORRECT OPTION: e
2
The scientist who discovered the cell while examining a thin slice of cork under the microscope was
A
Robert Hooke
B
Anton van Leeuwenhoek
C
Matthias Schleiden
D
Theodor Schwann
CORRECT OPTION: a
3
The two important physical processes involved in the absorption and transport of materials in plants are
A
diffusion and plasmolysis
B
cohesion and adhesion
C
flaccidity and turgidity
D
osmosis and diffusion
CORRECT OPTION: d
4
The process by which plants manufacture food from carbondioxide and water, using energy from the sun is
termed
A
chemosynthesis
B
photosynthesis
C
autotrophism
D
heterotrophism
CORRECT OPTION: b
5
The process in which insects undergo conspicuous changes in form and appearance during development
is known as
A
ecdysis
B
metamorphosis
C
aestivation
D
migration
CORRECT OPTION: b
6
What is the foot labelled I adapted to?
A
Feeding on flesh
B
Eating grains
C
Swimming in water
D
Perching on trees
CORRECT OPTION: c
7
The foot labelled III is strong and has blunt claws
on its digits, This implies that the bird
A
is a scavenger
B
is a bird of prey
C
is a marine bird
D
uses the foot to scratch the soil
CORRECT OPTION: d
8
The long and sharp claws in the font labelled ll show that the bird uses them to
A
hold onto its prey
B
paddle in water
C
glide in the alt
D
scratch the earth for worms
CORRECT OPTION: a
9
Conventional method of sewage disposal involves all the following except defaecating
A
into pit latrines
B
in open fields
C
into cesspit
D
into bucket latrine
CORRECT OPTION: b
10

Which of the following actions is not an example of a simple reflex action?

A
Knee jerk
B
Blinking of the eye
C
Withdrawal of hand from hot object
D
Reading a book
CORRECT OPTION: d
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