How is a key helpful in the identification and classification of an organism?

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(N/A) key is a taxonomical aid used for the identification of plants and animals based on similarities and dissimilarities.
It is based on the set of contrasting characters generally in a pair,which is called a $couplet$.
This represents the choice made between two opposite options,resulting in the acceptance of one and the rejection of the other.
Each statement in the key is called a $lead$.
Separate taxonomic keys are required for each taxonomic category,such as $family$,$genus$,and $species$,for identification purposes.
Keys are generally analytical in nature.

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Similar Questions

Select the correct match for $X$ and $Y$:
Column $X$Column $Y$
$(1)$ Herbarium of Forest Research$(P)$ Paris
$(2)$ Museum of Natural History$(Q)$ Kew
$(3)$ Herbarium Department of Botany,$M$.$S$. University$(R)$ Kolkata
$(4)$ Central National Herbarium$(S)$ Dehradun
$(5)$ Royal Botanic Gardens$(T)$ Vadodara
(Note: The original option $5$ was corrected to Royal Botanic Gardens)

$A$ cryptogram has got how many pairs of information?

$S$ Statement: Herbaria are generally associated with botanical gardens and educational or research institutions.
$R$ Reason: $A$ botanical garden is a planned collection of trees,shrubs,herbs,climbers,and other living plants brought from different parts of the world for scientific purposes.
$(a)$ Both $S$ and $R$ are true,and $R$ is the correct explanation of $S$.
$(b)$ Both $S$ and $R$ are true,but $R$ is not the correct explanation of $S$.
$(c)$ $S$ is true and $R$ is false.
$(d)$ $S$ is false and $R$ is true.

Where are plants of medicinal,rare,and economic importance cultivated?

Which statement is correct for a Botanical Garden?

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