WAEC - Biology (1997)
1
Which of the following organism possesses both plant and animal characteristics?
2
The structure represented in the diagram above is
3
The part labelled I in the diagram is the
4
What is the function of the part labelled II in the diagram? It
5
Which of the following organelles helps to remove excess water
from cells?
6
Which of the following processes occurs by diffusion?
Answer(D)
Exchange of nutrients between a mother and the foetus
7
Which of the following is a product of brewing when yeast is used as a fermenting agent?
8
Which of the following hind limb bones is equivalent to the humerus of the forelimb?
9
Clotting of blood is a function of
10
Which of the following structures is associated with respiration in insects?
11
Which of the labelled parts is made up of dead cells?
12
The part labelled I in the diagram is called
13
The malpighian tubule plays a major role in
14
Filtered blood from the kidney is carried back to the circulatory system
through the
15
The early removal of the pituary gland in animals may cause
16
A high concentration of auxin in the root will
17
The part labelled II in the diagram is the
18
Which of the labelled parts is filled with cerebrospinal fluid?
19
Which of the following is an example of a reflex action?
20
During mating, the male toad holds the female with its?
21
The diagram above represents a?
22
The part labelled I in the diagram is the
23
Which of the following fruits is a schizocarp?
24
Which of the following is not a characteristic of wind dispersed fruits and seeds?
25
Which of the following structures transports water from the roots to the leaves?
26
The eye defect represented in the diagram is?
27

The above defect is corrected by using a?
28
Which of the following organisms is viviparous?
29
The reduction of nitrates to gaseous nitrogen is
30
The association between protozoa and termites is an example of
31
Flatworms are classified as
32
The essential parts of a flower are
33
Which of the following parts of the tooth is first damaged during dental decay?
34
The set- up above is used to demonstrate
35
What will be the colour of the solution in the test tube labelled II at
the end of the experiment?
36
Which gas will pass into the test tube labelled II from I?
37
In which of these forms is carbohydrate stored in yam?
38
Northern Guinea savanna is associated with
39
Which of the following activities is not necessary in population sampling?
40
Which of the following is an abiotic factor?
41
The maximum and minimum thermometer is used to measure
Answer(B)
highest and lowest temperature of the day
42
Which of the following organisms will have the highest biomass?
43
Which of the following is the correct sequence for energy transfer and nutrient cycling among living things
in an ecosystem?
Answer(D)
Producers β consumers β decomposers
44
Which of the following factors does not affect the distribution of organisms in an aquatic habitat?
45
A habitat with low rainfall, very low humidity, exposed soil with little plant cover, few trees and shrubs is
likely to be
46
Which of the following factors may not cause over-crowding?
47
Crops grown mainly to feed animals are called
48
The farming practice by which an exhausted farm land is left for a number of years before cultivation is
known as
49
In palm-wine, yeast acts as a
50
Which of the following farm practices can cause loss of soil fertility?
51
One of the use of variation is in
52
In which of the underlisted blood groupings is agglutination likely to occur during transfusion?
53
Which of the following is not a morphological variation
54
In man haemophilia is recessive and sex linked, The
probability of carrier mother and a normal father having a haemophilic male is
55
In which of the following is the knowledge of genetics not applicable?