In the binomial system of naming organisms, the second name is called the
2
Which of the following features does not necessarily place paramecium as a higher level of organisation over Amoeba?
3
The living materials of the cell consist of
4
A pupil accidentally "watered" a potted plant with concentrated salt solution after sometime the plant began to wilt. The wilting of the plant is due to the fact that
5
A pupil accidentally "watered" a potted plant with a concentrated salt solution. After sometime the plant began to wilt. Which of the following activities would revive the plant?
6
Primary growth in plants is brought about by the activity of the
7
To form a ball and socket joint, the structure labeled I fits into another structure in the scapula called the
8
The structure labelled II is called
9
Which of the following parts of the skeleton does not have a protective function?
10
Carbon dioxide is carried in the plasma?
11
In the adult frog gaseous exchange takes place in the
12
The process of regulating the amount of water and solutes in the body fluids is called
13
The presence of glucose in the urine of a patent is an indication of malfunctioning of the
14
Which of the following statements is not true about hormones?
15
Which of the following actions is note function of adrenaline? It increases
16
Plant hormones include the following except
17
The passage of nerve impulse across a synapse is facilitated by the secretion of
18
The part of the brain which controls and coordinates body posture is the
19
Which of the following processes is not an example of a reflex ac ion?
20
The eyes can properly focus images of objects of various distances on the retina by a process called
21
The process by which flowers produce fruit without the process of fertilization is called
22
The part of the young root that pushes its way through the soil is the
23
An example of a dehiscent fruit is
24
Which of the following food substances gives the least amount of calories?
25
Analysis of the gut content of an animal showed that it contained small pieces of bone, seeds. roughages and insects. The animal is likely to be a/an.
26
Filaments of Spirogyra placed in a beaker of water in a dark cupboard died because
27
The impedance of the concentration of chloroplast in the palisade layer of the leaf is for maximum exposure to
28
A community is best described as
29
Which of the following physical actors is likely to affect the distribution of plants in a pond?
30
Which of the following instruments is used to measure wind speed?
31
Tertiary consumers within the web are
32
What would be the effect of taking the lion out of the web?
33
Which of the following statements about the transfer of energy in the ecosystem is correct?
34
Pond weeds normally lack thick layers of cuticle because
35
Shrubs do not survive on newly weathered soils because
36
The speed of the flow of water in a river is faster in the middle than along the banks due to
37
The effects of environmental degradation caused by human activities can be controlled by the following measures except
38
The following observations concerning succession are true except that the
39
A vaccine is introduced into a person‘s body to
40
Which of the following activities constitutes biological control?
41
Many diseases caused by bacteria can be treated and cured by using
42
To avoid over fishing in a lake, the following measures may be helpful except
43
Conservation may be promote by
44
Which of the following substances is not recycled in an ecosystem?
45
Which of the following statements about phenylthiocarbamide (PTC) is not correct?
46
Which of the following characters is not an example of discontinuous variation?
47
Which of the following human traits in a class of school children may give an approximate normal distribution curve when the variation is plotted?
48
The observable characteristics of an individual usually resulting from the interaction between the gene composition and the environment is referred to as
49
The sudden change in a gene structure or chromosome number in an organism likely to cause an inheritable change in the phenotype is known as
50
The effective cells involved in sickle-cell anaemia disease are
51
What does the chemical composition of the genetic material of all living organisms consist of?
52
What of the following occurrences is not a feature of meiosis?
53
Which of the following diseases is commonly observed in human males and is sex-linked?
54
The resemblance of a palatable insect to a poisonous insect is an example of
55
If red is dominant to white and homozygous red pea-plants are crossed with homozygous white pea-plants, the first filial generation will have
56
Which of the following statements is not true of the worker termite? They
57
Which of the following occurrences cannot be taken as a direct observation of natural Selection in recent times?
58
The accepted concepts for the theory of Natural Selection does not include
