A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is
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2009
The association between bacteria residing in the caecum and the ruminant is
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2009
The most important ecological factor in a terrestrial environment is
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2009
A phenotypic character with intermediate forms that can be graded from one extreme to the other is referred to as
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2009
The uniqueness of an individual organism in a population is accounted for by
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2009
The major cause of global warning is the
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2009
I. OnchocerciasisII. SchistosomiasisIII.SalmonellosisIV. MeningitisWhich of the diseases listed above are associated with water?
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2009
Mass of crucible = 10g Mass of crucible and soil before heating = 29gMass of a crucible and soil after heating = 18g From the information above, determine the percentage of water in the given soil sample?
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2009
Plants that grow in an area that is neither too wet nor too dry are
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2009
A health condition that is known to have resulted from gene mutation is
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2009
A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue(tt). what is the probability of each of their children being a tongue roller?
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2009
In Mendelian inheritance, discontinuous characters are controlled by the
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2009
A farmer's assumption that the seed from a good harvest will produce a good yield is explained by the theory of
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2009
According to Darwin, the driving force behind evolutionary change is
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2009
During the dry season in the tropics, the body metabolism of some animals slows to a minimal level in a process referred to as
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2009
The specialized pigment cells that are involved in colouration and colour change in animals
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2009
Which of the following animals is most adapted for water conservation?
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2009
The part of a domestic fowl responsible for preventing heat loss is the
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2009
Use the diagram above to answer this question.The part labelled IV is the
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2009
Use the diagram above to answer this question.The structure that controls loss of water vapour during transpiration is labelled