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Taxonomical Aids

Which of the ...

Question

Which of the following statement(s) about taxonomic aids is/are true?
I. Keys are used for identifying plants and animals based on similarities and dissimilarities.
II. Flora contains the account of habitat and distribution of plants in a given area.
III. Flora provides an index to the plant species found in a particular area.
IV. Monographs provide information for the identification of species found in an area.

A

I and II only

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B

I, II, and III only

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C

I and IV only

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D

I only

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Solution

The correct option is B I, II, and III only
The monograph contains complete information on any one taxon. As they contain information about only one taxon, these are not used for identification purpose. Rather, they are used for the purpose of understanding and gaining knowledge about already identified species, genus or any other such taxonomic group.
So, the correct option is 'I, II, and III only'.

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