Which of these could be regarded as an advantage of complexity in higher organisms?
3
Which of the following organisms is one-celled and free-living?
4
One of the differences between plant and animal cells is that in plants
5
Carbondioxide enters the stomata during photosynthesis through the process known as
6
Which of the following groups carry out similar functions in living things?
7
Which of the following statements is correct?
8
Which of the following pairs of tissues is responsible for strengthening the plant?
9
Which of the following is not a tissue found in plants?
10
Higher organisms use a transport system and not diffusion only to distribute nutrients because
11
In complex food relationships in a community, the primary, secondary and tertiary consumers are referred to as
12
The cell membrane of a cell is said to be semi-permeable because
13
The function of the part labelled I is
14
The part labelled ll is the
15
The structure that will be stained blue-black by iodine is labelled
16
In the anaerobic stage of respiration, the net ATP molecules produced per glucose molecule
17
Reabsorption of the metabolic products along the kidney tubules is made possible by the
18
Hormones are transported around the mammalian body by
19
Which of the following is not a function of insulin?
20
Which of the following is the correct route of transmission of impulses along a reflex arc?
21
Which of the following statements is false?
22
The following are directly involved in transmission of sound waves to the brain except
23
The term syncarpous is used to describe a flower when the carpels are
24
Which of the following structures are characteristics of insect pollinated flowers?
25
Which of the following statements is not correct?
26
Which of the following is an advantage of dispersal of fruits and seeds? It allows
27
The series of changes that occur in a seed by which the embryo develops into a seedling is known as
28
Which of the following organisms has a symbiotic relationship with green algae?
29
At the end of photosynthesis, the green leaf is tested for starch and not glucose, because
30
Which of these processes removes carbon from the atmosphere?
31
Which of the following conditions is not necessary for photosynthesis to occur in plants?
32
The distribution of organisms in a fresh - water habitat like a stream or pond is determined by the following except
33
Which of the following is characteristics of a swamp?
34
Very low annual rainfall, sparse vegetation, high day temperatures and cold nights are the characteristics of the biome known as
35
Which of the following conclusions cannot be drawn from the graphs?
36
The graphs above show the results of experiments which investigated the effect of temperature and oxygen on the rate of uptake of certain ions labelled X and Y by a plant root. Use them to answer the question Which of the temperature ranges will likely favour the plant best?
37
Which of the following is the correct chain for the organism found in an aquatic community?
38
In a food chain the position occupied by an organism is called
39
Which of these statements about food chain is not correct?
40
Which of these is not applicable to the circulation of water- in nature?
41
An association between two organisms in which both benefit is called
42
Which of the following is not an outcome of ecological succession?
43
Which of the following is not an effect of over-crowding on a population?
44
The diagram above represent the shape of major group of bacteria The groups staphylococci and streptobacilli are represented by
45
Prevention of erosion could best be carried out by
46
The following are useful measures for conserving forest except
47
The following practices are aimed at soil conservation except
48
Which of the following natural resources is most readily available to all organisms?
49
Which of the following is an example of discontinuous variation?
50
Hereditary variation is best described as
51
An individual with blood group AB can receive blood from those in blood group(s)
52
The statement that the environment determines which organisms survives to reproduce
53
Which of the following is a definition of heredity? It is the
54
Which of the following is not a reason why an offspring looks different from its parents?
55
The pair of genes expressed in a heterozygous individual is described as
56
The following structures are adaptation for water conservation except
57
The following structures are adaptation for water conservation except
58
Which of the following ecological factors causes food shortage?
59
Density, mortality rate, birth rate are the factors that affect
60
Ultra-filtration process at the Bowman’s capsule is facilitated by
