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The keys are based on contrasting characters generally in a pair called _______.

A. flora

B. couplet

C. both (a) and (b)

D. manuals

Correct Answer : B.


The keys are based on contrasting characters generally in a pair called couplet. Flora contains the actual account of habitat and distribution of plants of a given area. It provides the index to the plant species found in a particular area. Manuals are useful in providing information for identification of names of species found in an area.

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  1. Genus represents
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  3. Which of the following is less general in characters as compared to genus?
  4. Each category of taxonomic hierarchy refers to as a unit of ______.
  5. Which of the following taxonomic categories is being described by the given statements (i-iii) ?(i)…
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  16. In the given columns, column I contains the terms and column II contains its description. Select the…
  17. Match the common name given in column I with their taxonomic category order given in column II and choose…
  18. In printed scientific names, only the ______ is capitalized.
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  22. Which of the following taxonomical aids is being described by the given statements (i-iv) ?(i) They…
  23. Families are characterized on which of the following features of plant species?
  24. Couplet represents the choice made between two opposite options which results in
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