Which of the following characteristics is not possessed by most plants? Ability to
2
Hydra able to perform all the following functions except
3
Euglena can be classified as an animal because of the possession of
4
Which two structures are present in a palisade cell but not in a liver cell?
5
The nucleus controls the activities of the cell because it
6
The process by which a drop of ink spreads uniformly in a beaker of water is called
7
When a person’s urine contains a high concentration of urea, it could be the result of
8
How many conjugants are involved in sexual reproduction of paramecium
9
Which of the following groups of vertebrae have two branches at the end of their transverse processes?
10
The axial skeleton is made up of the following
11
The xylem elements perform the function of transport but they also help to support plants because they
12
Excessive bleeding from an injury may be due to lack of vitamin
13
The hepatic portal vein is often heavily loaded with food-nutrients because it carries blood
14
The products of respiration are
15
Green plants lose water to the atmosphere through the process of
16
The body temperature of a mammal has to be maintained at a fairly constant level because
17
A urine sample of a patient, tested with Benedict/Fehling solution, gave an orange colored precipitate, indicating the presence of
18
Which hormonal deficiency is likely to cause an accumulation of reducing sugar in the urine?
19
Which of the following structures occupies the neural canal of the vertebral column?
20
The structure labelled l in the diagram above is the
21
The structure labelled VIII in the diagram is responsible for
22
Which of the following occurs when a person looks at a distant, dim object and then looks at a much closer, bright object? In each eye, the pupil becomes
23
The following insects undergo incomplete metamorphosis except
24
The process by which fruits develop without fertilization is called
25
Which of the following groups contains only macro-nutrients?
26
A solution which contains all the required elements in their correct proportions is known as a
27
The deficiency of manganese in plants results in?
28
Which of the following is not true about a potted plant left in the laboratory for one week without watering?
29
The deficiency of vitamin D and calcium ions in the diet of a human causes
30
An organism is considered a heterotroph when it
31
The break-down of food in o simple, soluble and absorbable end-products is termed
32
Which of the following teeth are well-developed to form the carnassial teeth of carnivorous mammals? The
33
Biosphere is best described as
34
Which of the following is not essential in the studying of the ecological factors that directly affect plants?
35
Conservation of soil fertility employs crop rotation because
36
Which of the following are consumers in these food chains?
37
An importance of food web is that living organisms
38
The continuity of an ecosystem depends on constant flow of energy and circulation of matter. However, the amount of energy passed on from decomposers to producers should be
39
Which of the following features enables the tapeworm to live successfully in the small intestine of human?
40
Which of the following defines symbiosis?
41
Plants found in the aquatic habitat are generally referred to as
42
When a farmer sprays crops with a pesticide, the pesticide becomes
43
Which of the following methods is best for the determination of population density of Tridax in an open held?
44
If a piece of abandoned farmland went through a series of floral and faunal changes and became established with permanent plant and animal population, it could be said to have undergone
45
The drugs which inhibit the growth of disease-causing organisms and thus used in the treatment of infections are referred to as
46
An abandoned refuse dump mag' be a good site for an intending vegetable farmer because
47
The following are natural resources except
48
Which of the following practices does not contribute to intensive depletion of forest resources in West Africa?
49
Tropical rain forests can be conserved by the following practices except?
50
Which of these physiological variations is sex-linked?
51
The ability of some individuals to taste phenylthiocarbamide (PTC) is a
52
In man, sex is determined by the inheritance of
53
What will be the genotypic ratio when two heterozygous red pea plants are crossed?
54
Which of the following traits in humans can be affected by environmental factors?
55
Heterozygous tall plants were crossed with pure-breeding dwarf plants of the same species. What were the approximate percentages of the offspring?
56
In the F 1 generation of Mendel’s experiment obtained by crossing pea plants of long stems with those of short stems, What was his observation?
57
Which of the following statements is correct about the chromosomes in the gametes? At the end of the second meiotic division
58
Which of the following organisms exhibit division of labour?
59
Which of the following is not included in the theory of natural selection?
60
The theory of evolution by natural selection was first put forward by
