Which of the following instruments is used to measure the speed of a stream?
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2005
Which of the following factors is not associated with aquatic habitats?
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2005
A stable self-sustaining environment produced by an interaction between the biotic and abiotic components is best described as
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2005
Possession of strong adhesives is a feature of animals living in/on
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2005
A population is best described as
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2005
Which of the following infections is unlikely to respond to antibiotic treatment?
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2005
The density-dependent factors that operate to regulate a population size may include the following except
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2005
Which of the following organisms is well adapted for fluid feeding?
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2005
Which of the following processes does not contribute to the maintenance of the nitrogen content of the soil?
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2005
In an ecosystem the organism which changes light energy into stored chemical energy is the
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2005
Variation which exhibits a wide range from one extreme to the other with very little difference between the intermediates is described as
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2005
Which of the following statements about mutation is true?
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2005
Which of the following is not a means of conservation?
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2005
Conservation of wild life is necessary mainly because
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2005
Algal bloom depletes oxygen content of bodies of water polluted by
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2005
Which disease is sex-linked and mainly afflicts male offspring?
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2005
If two parents are sickle cell carriers then their genotypes would be
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2005
If the pink colour of a petal is dominant over white what would be the colour of the flower of the F generation when a pure pink flowered plant is crossed with a white flowered plant?
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2005
A person with blood group B can only donate blood to individuals with blood groups
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2005
Which of the following is an example of physiological variation?