WAEC - Biology (1999)
1
Which of the following organisms does not exist as a single cell?
2
Which of the following features of Paramecium is not an advancement over Amoeba? The possession of
3
Which of the following diseases results from the deficiency of insulin?
4
Root hairs absorb water from the soil by
5
One of the similarities between algae and mosses is their possession of
6
The vessel that carries blood from the heart to the lungs is called an artery because it
Answer(C)
carries blood away from the heart
7
During anaerobic respiration in skeletal muscles, pyruvic acid is
8
Which of the following organisms exhibits 'the stages listed above during conjugation?
9
Which of the following arrangements is the correct sequence of the process?
10
The teeth used for tearing and cutting are
11
Turgor pressure occurs in a cell when the?
Answer(A)
volume of its cell sap increases
12
Which of the following bones is illustrated in the diagram?
13
The part labelled l in the diagram is for the attachment of
14
Which of the following bones forms a joint at the point labelled II in the diagram?
15
Which of the following is correct about the transverse section of a vein, when compared with that of an
artery?
Answer(D)
There are valves in veins but not in arteries.
16
Terrestrial plants exchange gases through the following except
17
Glomerular nitrate contains
18
Which of the following is not a function of the liver in mammals?
Answer(D)
Filtration of urea from the blood.
19
Iodine is needed by a patient suffering from a malfunctioning of the
20
The medulla oblongata controls all the following except
21
Which of the following statements about short sight is not correct?
22
Hypermetropia is corrected by the use of
23
The structure labelled I is the
24
In which of the labelled structures does implantation take place?
25
Which of the following indicates the direction of the movement of a sperm
introduced into the female reproductive system?
26
Which of the labelled parts is responsible for the release of ripe ovum?
27
During germination of seeds water is taken by the process of
28
Which of the following is not a characteristics feature of a wind dispersed fruit?
29
During photosynthesis, light energy is always absorbed by the
30
Which of the above factors can be a limiting factor for the process to proceed?
31
The factors required for the dark phase of photosynthesis are
32
In water- culture experiments the culture solutions are protected from sunlight in order to
Answer(B)
prevent algae from growing in the solution
33
The importance of a balanced diet is to
Answer(D)
provide good health for an individual
34
The dentition of a herbivore is distinct from that of other animals due to the presence of
35
Which of the following statements is true?
Answer(C)
Pepsin acts on proteins to give peptide
36
Which of the following organisms can be found in fresh water habitat?
Answer(D)
Spirogyra and pond skater
37
Which of the following is not a biotic factor?
38
Desert plants are usually called
39
The secchi disc is used to measure
40
Soil factors in an ecosystem are referred to as
41
A known weight of soil sample was oven-dried to obtain a constant weight. The loss in weight was due to
loss of
42
Carbon is added to the atmosphere by the following processes except
43
Which of the following is a means of measuring primary production?
Answer(D)
harvested plants in a unit area
44
A situation whereby some mammals remain inactive throughout dry and hot seasons is known as
45
Which of the following factors may not affect living organisms in an aquatic habitat?
46
Which of the following parasites is a flatworm?
47
During prolonged exercises, glucose in the muscle is convened to
48
Which of the following is an effect of carbon monoxide on man?
Answer(B)
Reducing oxygen carrying capacity of blood
49
Which of the following is a renewable natural resources?
50
Which of the following resources is competed for by organisms in the desert?
51
The major types of man’s finger prints do not include
52
Which of the following is an example of discontinuous variation?
53
Which of the following statements is correct about variation?
Answer(D)
offsprings differ from their ancestors and from each other
54
Which of the following statements about sex determination is correct? At fertility
Answer(A)
the probability of male to female offspring is 1/2
55
The genotypic ratio of 1 : 2 : 1 in the offspring of a hybrid cross illustrates the law of