The group mollusca is characterized by the presence of
3
A virus can sometimes be regarded as a living organism because it
4
A mayor difference between plants and animals is that
5
Which of the following adaptation is no found in fruits and seeds dispersed by the win '?
6
The main similarity between unicellular and multicellular organisms is that both
7
One important characteristic of green plants is that they
8
A serious disadvantage of complexity in higher organisms is
9
Which of these organs can be considered vestigial in humans but functional in other mammals? The
10
Which of the following pairs of organisms are photosynthetic?
11
Which of the following pairs of organisms exist as colonies?
12
Which of the following Best explains why It is difficult to see clearly in dim light?
13
In active transport, molecules move against a concentration gradient, therefore
14
Which of the following substance pass through the root cell membrane by osmosis?
15
Which of the following statements defines plasmolysis?
16
Raw materials required by green plants to manufacture their food are
17
The role of ATP include all the following activities except
18
The basis of growth involves the following processes except
19
Which of the following statements is true about movement of the forearm? In
20
Only specially adapted micro-organisms are found in
21
Which of the following organisms causes syphilis?
22
In plant respiration occurs in
23
A faster colour change of a dry cobalt chloride paper affixed to the lower surface of a leaf than the upper one, indicates that
24
Which of the following takes place when a person’s body temperature rises above 37 o C
25
Which of the following glands secretes a substance into the blood stream of a frightened person?
26
Reading the verdict of a case by a judge or magistrate is an example of
27
Which of the following describes an example of fertilization in higher organisms?
28
When both ovaries of the human female ovulate simultaneously and both ova are fertilized, then
29
Which of the following statements is not true of the light stage of photosynthesis?
30
Which of the following elements is required in large amounts by plants
31
Which of the following substances has the highest amount of energy in joules per unit weight?
32
Which of the following elements is required in large amounts by plants
33
Which of the following juices contains the enzyme ptyalin?
34
Trees in savannah habitats usually have heavy thick bark which mainly
35
In the marine food web, the source of energy to the producer comes from
36
A population is best described as
37
Possession of strong adhesives is a feature of animals living in/on
38
A stable self-sustaining environment produced by an interaction between the biotic and abiotic components is best described as
39
Which of the following factors is not associated with aquatic habitats?
40
Which of the following instruments is used to measure the speed of a stream?
41
In an ecosystem the organism which changes light energy into stored chemical energy is the
42
Which of the following processes does not contribute to the maintenance of the nitrogen content of the soil?
43
Which of the following organisms is well adapted for fluid feeding?
44
The density-dependent factors that operate to regulate a population size may include the following except
45
Which of the following infections is unlikely to respond to antibiotic treatment?
46
Algal bloom depletes oxygen content of bodies of water polluted by
47
Conservation of wild life is necessary mainly because
48
Which of the following is not a means of conservation?
49
Which of the following statements about mutation is true?
50
Variation which exhibits a wide range from one extreme to the other with very little difference between the intermediates is described as
51
Which of the following is an example of physiological variation?
52
A person with blood group B can only donate blood to individuals with blood groups
53
If the pink colour of a petal is dominant over white what would be the colour of the flower of the F generation when a pure pink flowered plant is crossed with a white flowered plant?
54
If two parents are sickle cell carriers then their genotypes would be
55
Which disease is sex-linked and mainly afflicts male offspring?
56
In a living cell, factors which are responsible for inheritance are located
57
Which of the following is not a correct base pairing on the DNA strand?
58
Which of the following organisms is a social insect?
59
Territoriality is a phenomenon among
60
A honey bee worker communicates with others on locating a source of food by
61
Which of the following is not an evidence of evolution?
