The branch of Biology that deals with the principles of classification of organisms is known as
2
Which of the following structures is a tissue
3
Which of the following cells are not regarded as specialized?
4
Which of the following pairs of cells carry out the same function?
5
If Amoeba is placed in a salt solution. the contractile vacuoles would
6
In which of the following habitats is Paramecium no found
7
The following processes are involved in water movement in the endodermis except
8
Cells that utilise a lot of energy are characterized by the presence of a large number of
9
The part labelled II in the diagram is
10
The part labelled I is called the
11
Secondary growth is brought about by the activities of the
12
A monocot root IS different from a dicot root by having
13
Which of the following statements best describes haemoglobin? It is
14
Inhaled air is made warm and moist in the
15
Which of the following structures is not involve in respiration?
16
Filtrate in the Bowman’s capsule contains vitamins because
17
ore sweat is produced during muscular exercise because
18
Which of the following neurons may not have myelin sheath?
19
Which of the following is not an effector organ?
20
During sexual reproduction in Paramecium, how many times does the zygote divide to produce eight nuclei?
21
The testes in male mammals descend into the scrotal sac because
22
Some animals return to water bodies to reproduce because
23
Which of the following methods is appropriate for the cultivation of cassava?
24
What will be the chromosome number of the hybrid of two varieties of a plant with 36 chromosomes in the endosperm cell?
25
Kreb’s cycle occurs in the
26
The process whereby electrons are emitted from chlorophyll and returned to it unchanged is known as?
27
Which of the following statements about photosynthesis is not true?
28
The removal of all the phloem tissues of the stem of a plant close to the root system for a long period of time is likely to
29
Which of the following groups of substances are not six-carbon compounds?
30
The conversion of glucose to starch in the leaf during the day principally
31
A purple colour was obtained when sodium hydroxide solution and a drop of copper sulphate solution were added to a food substance. The food substance is likely to be a
32
Which of the following enzymes is active in the duodenum?
33
The following organisms are producers except
34
Which of the following structures produces the greatest variety of digestive enzymes?
35
The following are abiotic components of an ecosystem except
36
Use the information on capture-recapture method to calculate the total number of organisms in a habitat. First capture = 200 Second capture = 120 Number of organisms with mark in second capture = 40 The total number of organisms therefore is
37
Ecological investigation in a habitat includes the following procedures except
38
Which of the following substances when lost from the body of a mammal will not be returned to the ecosystem?
39
The rate of decomposition of organisms is faster in the tropical rain forest than in other biomes because
40
A xerophyte conserves water by possession of the following features except
41
The falling off of leaves of deciduous trees is helpful to the plant because it
42
A sample of wet garden soil of known weigh was heated to constant weight. The loss of weight is due to loss of
43
Assuming that a period of stable population size is followed by a period when natality increases by ten (1O) per cent and immigration increases by twenty (20) percent of population size. The population size will
44
Which of the following methods does not make water fit for drinking?
45
Vaccination results in
46
Leguminous crops are incorporated into crop rotation in order to
47
Which of the following practices improves crop yield in a clayey soil? Addition of
48
Which of the following activities promotes forest conservation?
49
Which of the following statements is not true about continuous variation? It
50
Acquired characters are
51
Differences in characteristics observed between individuals of the same species is known as
52
Which of the following statements best describes protein synthesis?
53
If a person has two alleles of the sickle cell anaemia gene, the person
54
What is the probability? of a man of blood group AB married to a woman of blood group O producing a child of blood group O?
55
A man with blood group It I A I A is married to a woman with blood group I A I O . The blood group of their son is likely to be
56
Natural selection is a consequence of
57
Which of the following components of Larmark’s theory of evolution is considered faulty?
