WAEC - Biology (1994)

1
All animals are dependent on green plants because plants
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(E)
manufacture food for animals
2
The scientist who discovered the cell while examining a thin slice of cork under the microscope was
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(A)
Robert Hooke
3
The two important physical processes involved in the absorption and transport of materials in plants are
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(D)
osmosis and diffusion
4
The process by which plants manufacture food from carbondioxide and water, using energy from the sun is
termed
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(B)
photosynthesis
5
The process in which insects undergo conspicuous changes in form and appearance during development
is known as
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(B)
metamorphosis
6
What is the foot labelled I adapted to?
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(C)
Swimming in water
7

The foot labelled III is strong and has blunt claws
on its digits, This implies that the bird
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(D)
uses the foot to scratch the soil
8

The long and sharp claws in the font labelled ll show that the bird uses them to?
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(A)
hold onto its prey
9
Conventional method of sewage disposal involves all the following except defaecating
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(B)
in open fields
10
Which of the following actions is not an example of a simple reflex action?
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(D)
Reading a book
11
In which of the following is a cellulose cell wall present
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(C)
spirogyra
12
Which of the following organisms exists as a filament?
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(E)
Spirogyra
13
All the following can illustrate the dynamic nature of the ecosystem except
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(E)
locomotion in organisms
14
Which of the following measures does not ensure conservation?
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(E)
Enclosing fishes in ponds where they will not be stolen
15
Which of the following is not required for primary production to occur in plants?
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(B)
Sugar
16
Which of the following blood group(s) is/are the universal donor(s)
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(A)
O
17
The branch of science which deals with resemblances, origin and expression of biological variations is
called
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(D)
genetics
18
Which of the following can cause desert encroachment?
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(E)
Overgrazing
19
The morphological, physiological and behavioural characteristics which enable an organism to survive in
its environment is called
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(D)
adaptation
20
Which of the following performs the same function as the contractile vacuole of a unicellular organism?
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(A)
Kidney
21
Which of the following represents the correct order in a possible food chain?
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(D)
Diatom -> crustacean -> fish -> man
22
Which of the following relationships illustrates competition?
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(B)
Goats and cows grazing on a small grass lawn
23
Which of the following agents is responsible for the dispersal of the seed shown above?
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(C)
Wind
24
The structure used by fishes to detect the presence and movement of other animals
by the vibration they produce is the
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(C)
lateral line
25
Muscles are attached to bones by means of
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(D)
tendons
26
The ability of the eye to alter the focal length of the lens, with regard to the distance of the object from
the eye is known as
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(D)
accommodation
27
What is the fate of the ovary of a flower after fertilization?
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(C)
becomes the fruit
28

The diagrams above represent a group of insects known to be
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(A)
colonial
29

In their system of organisation, the diagram labelled II plays the role of a
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(B)
soldier
30
Which of the following determines a normal male offspring?
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(D)
XY
31

What is the theoretical probability that a normal male child will be born?
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(A)
1\2
32
Which of these is not part of the appendicular skeleton?
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(B)
Vertebral column
33
Which of the following factors does not control population growth?
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(C)
Abundance of food
34
The following conditions form the basis of competition in a habitat except
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(E)
body structure
35
The part of the ear which equalizes air pressure on either side of the eardrum is
the
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(C)
Eustachian tube
36
Mutation leads to evolution in that it
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(C)
gives rise to new individuals which differs considerably from their parents
37
The process whereby poisonous compounds are made harmless in the liver is called
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(D)
detoxification
38
The deficiency of calcium in a plant may result in
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(A)
stunted growth and poor root development
39
Which of the following is the least safe method of birth control? Using
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(E)
the withdrawal method
40
Which of the following does not imply attempt at conservation?
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(E)
Retraining from the use of the natural resource
41
The gradual, cumulative, adaptive and heritable changes in an organism over a long period of time resulting
in emergence of new species is known as
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(E)
organic evolution
42
The structure that produces the energy required by the cell is labelled
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(B)
II
43
The structure labelled V is the
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(B)
ribosome
44
In which of the following organisms is the siphon found?
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(B)
Pupa of mosquito
45
Which of the following is not a pollution control measure?
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(E)
Channelling sewage into streams
46
Which pair of structures contributes to balance in mammals?
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(A)
Utriculus and Sacculus
47
Spermatogenesis and Oogenesis are both terms used to describe
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(E)
gametogenesis
48
Which of the following is not a continuous variation?
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(C)
Ability to roll tongue
49
which of the following is not a conservable natural resource?
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(B)
Sunlight
50
Which of the following plant diseases is indicated when grains of cereals are covered with a mass of
spores?
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(A)
Smut
51
Which of the following structural features in animals does not affect control of body temperature?
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(D)
Capillaries
52
The control of water and salt requirements of the body in order to maintain a stable internal environment
is known as
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(E)
homeostasis
53
Which of the following is not a condition necessary for germination to occur in most seeds?
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(E)
Soil fertility
54
Which of the following structural features adapts Drosera (Sundew) to its carnivorous mode of nutrition?
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(B)
Club-shaped glandular hairs on leaves
55
Which of the following terms is not associated with finger prints?
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(C)
Suture