Which of the following levels of organisation in living things is in the correct sequence, starting from the most complex to me simplest?
2
A few drops of fehling’s solution was added to juice extracted from fresh maize grain and boiled. A red recipitate was formed, indicating the presence of
3
Which of the following is not a cell organelle?
4
One of the differences between plants and animals is that
5
Which of the following are the final products of aerobic respiration?
6
Movement of water across a semi-permeable membrane from a weaker solution to a stronger solution is known as
7
ln which of the following structures will cells undergoing meiosis be seen?
8
Which of these instruments can be used to perform an experiment on geotropism?
9
The thoracic vertebra differs from all the other vertebrae by the possession of
10
Which of the following are found immediately next to the skull?
11
Which of the following articulates with the ribs?
12
Which of the following articulates with the pelvic girdle?
13
Which of the following is more concentrated in the blood within the renal artery than the blood within the renal vein?
14
Which of the following statements about the lymphatic system is not correct?
15
In which of the following groups is nephridium found?
16
The maintenance of a constant internal environment of an organism is known as
17
Which of the following is the effect of continuous tillage on an ecological system?
18
The most sensitive part of the retina is called
19
Which of the following pairs consists of gametes?
20
Which of the labelled structures is the nucleus?
21
Which of the following labelled structures secretes enzymes which facilitate penetration of the egg?
22
Which of the following labelled structures is similar to the locomotory structure in Euglena?
23
The part labelled I in A represents the
24
The part labelled II represents the
25
What is the importance of the part labelled II to the seedling? It
26
In grasshopper/cockroach digestion starts from the
27
In a water culture experiment, the culture solution in a transparent beaker turned green. What precaution should have been taken to prevent the culture solution from turning green?
28
Which of the following is responsible for the conversion of nitrites to nitrates in the nitrogen cycle?
29
Hydra captures small crustaceans by means of
30
Which of the following processes is not due to interaction between the biotic and abiotic components of an ecosystem?
31
The entire habits and habitat of an organism can be described as its
32
Which of these is not a true characteristic of the tropical rain forest?
33
The frequency of andropogon in a grass lawn is 90 by 100. Throws were made with 1 meter square quadrat. What is the density of andropogon in the field?
34
Which of the following is the correct method of collecting soil organism?
35
Which of these groups of organisms is responsible for capturing energy for the biotic community?
36
Which pathway directly leads to transfer of useful energy within a biological community?
37
Which of the following pathways will energy follow to reach plasmodium in the red blood cells?
38
What type of relationship exists in the large intestine of the sheep, between bacteria and the sheep?
39
The Tulgren’s funnel is used to
40
Which of the following is not an aquatic habitat?
41
Which of these materials is not required for insect collection in an ecological field-trip?
42
The factors which determine the type of vegetation a particular habitat will support are related to the following except
43
Which of the following statements is not true of population?
44
Which of the following is an abiotic factor which affects a population?
45
One of the ecological conditions which favour the spread of malaria is
46
Which of the following resources is non-renewable?
47
The following are the effects of overgrazing except
48
Which of the following is not a way of conserving natural resources?
49
The need for conservation includes the following except to
50
Which of these is not a hereditary variation?
51
One of Mendel’s experiments was repeated by crossing a red variety of pepper with that of a yellow variety which produced all red offspring. The red offspring were then self pollinated and these produced both red and yellow pepper. The yellow colour can be said to be
52
Which of the following statements is not true about chromosomes?
53
Cross-breeding is a way of
54
The wings of bats and birds, the flippers of whale and the fins of fish are examples of
55
Which of the following is a social insect?
56
The phenomenon whereby some organisms get established in an environment after struggling for existence by taking advantage of some special features possessed by the organism is called
57
The statements below are about evolution of species I. Members of a species vary ll. Organisms produce many offspring lll. The mechanism of evolution is inheritance of acquired characters IV. Changes in the phenotype is brought about by the individual itself Which of the statement(s) is/are related to the Darwin’s theory of evolution?
58
Which of the following fields of study may not yield strong evidence of evolution?
