The organ which is sensitive to light in Euglena is the
2
Which of the following is a similarity between a typical animal cell and a typical plant cell? Presence of
3
The first scientist to describe the cell was
4
In which of the following parts of a cell is the chromosome found
5
The part labelled VII is the
6
The part labelled I is the?
7
Exchange of gases takes place in the air sacs contained in the
8
During the process of breathing, volume and pressure change occur as a result of the movement of the parts labelled?
9
Which of the following diseases is caused by deficiency of insulin in the body?
10
Which of the following is the medium of transportation of nutrients within unicellular organisms?
11
Which of the following blood vessels carries oxygenated blood into the heart?
12
The conditions that ensure successful exchange of gases in multicellular organisms include the following except
13
The respiratory organ found in the cockroach is the
14
Which of the following structures functions as an excretory, system found in flatworm?
15
Which of the following organs is associated with deamination of proteins?
16
Ultrafiltration in the kidney takes place in the
17
When an axon is at rest, the concentration of ions on either side of the membrane are different. Which of the following is correct about the concentrations ions on either side of the membrane?
18
The groups of sensory cells found on the upper surface of the tongue are called
19
Which type of eye defect IS illustrated in the diagram above?
20
This defect can be corrected by the use of
21
Which of the following is not a courtship behaviour exhibited of animals?
22
Which of the following mineral salts is a trace element?
23
Which of the following organisms reduces nitrates in the soil to gaseous nitrogen?
24
The process whereby microorganisms can convert atmospheric nitrogen into nitrogenous compound is known as
25
What is the function of the part labelled ll?
26
The function of the part labelled l is to
27
How would you describe the position of the ovary in relation to the receptacle?
28
The parts labelled IV, V and VI respectively are the
29
The light ray entering the eye goes through the following route
30
Which of the following structures are adjusted in focusing the image of a distant or near object on the retina?
31
Which of the following best describes a marine habitat? A large body of water A
32
The following are features of Northern Guinea Savanna except
33
Which of the following explains the term pyramid of numbers?
34
In which of the following processes is carbondioxide not given out?
35
Sea water taken in by a living organism can be recycled into the atmosphere through all the following processes except
36
Which of the following water pollutant may contain organisms that cause dysentery?
37
Which of the following is not an adaptation of plants or animals to desert environment?
38
A climax community is characterised by
39
Which of the following is not a characteristic of overcrowding in plant and animal community?
40
The use of predators or parasites to control pests in the farm is known as
41
Which of the following substances cannot control the growth of harmful micro organisms?
42
Which of the following is the underlining Principle in the adoption of biological control of pests?
43
The largest game reserve in Nigeria is the
44
The following agencies are responsible for conservation of in Nigeria except
45
The table below indicates the result of an experiment during which grains of different colours in two maize cobs were counted Maize cob White Pink Red I 30 60 30 II 50 99 49 Which of the following ratios agrees with the result?
46
One of the factors that must be considered for safe blood transfusion is
47
One of the major criticisms against ‘Mendelian laws is that they do not recognize that
48
Identical twins inherit their genes from
49
The offspring produced when pure strains interbreed is described as
50
Which of the following diseases or disorders can be prevented by the application of the knowledge of heredity through marriage counselling?
51
Study the genetic cross above showing the inheritance of blood groups from the cross above which of the following F offspring does not belong to the father?
52
Which of the following is a function of the chromosome?
53
Which of the following does not illustrate adaptation to the environment?
54
The changing of colour by a chameleon to that of the environment is an example of
55
The division of labour in social insects is an example of
56
The swarming especially at the beginning of the rainy season is a courtship behaviour shown by?
57
Lamarck’s evolution theory could be summarised by the statement that
58
The property of clay soil that prevents it from supporting thick vegetation is its
