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A couplet in a key is...

A couplet in a key is

A

each statement in the key

B

contrasting characters in a pair

C

rejection of a statement

D

none of these

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The correct Answer is:
B
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Each statement of couplet in the key is called_____

Read these statements about a taxonomic key. How many are false ? 1. A taxonomic key is based on the contrasting characters generally in a pair called a couplet . 2. It is generally analytical. 3. It is a taxonomic and used for identification of plants only. 4. Only accepted statement in the key is called a lead.

Which of the following are true with reference to taxonomical aids? 1. Separate taxonomic keys are requried for each taxonomic category. 2. Herbarium is a store house of collected plant and animal specimens. 3. Each statement in the key is called couplet. 4. Keys are used for identification purpose.

Key' is a taxonomical aid used for the identification of organisms. Each statement in key is called a _________.

NCERT FINGERTIPS-THE LIVING WORLD-The Living World
  1. Key' is a taxonomical aid used for the identification of organisms. Ea...

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  2. The most convenient way for easy identification of plants and animals ...

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  3. A couplet in a key is

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  4. is a taxonomic aid which contains the actual account of habitat and di...

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  5. The plants growing in an area surrounded by a geographical or politica...

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  6. Which taxonomic aid gives comprehensive account of complete complied i...

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  7. Study the following statements and select the correct ones. (i) Her...

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  8. Floral features are commonly used for identification of angiosperms be...

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  9. Match column I with column II and select the correct option from the c...

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  10. are useful in providing information for identification of name of spec...

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  11. Catalogue is a

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  12. Read the following statements. P : The taxonomic hierarchy for Brass...

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  13. A 'type' is one particular specimen (or a group of specimens) of an or...

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  14. Read the following statements with one or two blanks in each one of t...

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  15. Which of the following statements is incorrect ?

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  16. Tanvi bought ten food items from the supermarket, which are wheat, ban...

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  17. As we go from species to kingdom in a taxonomic hierarchy, the number ...

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  18. Which of the following 'suffixes' used for units of classification in ...

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  19. The term 'systematics' refers to

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  20. Genus represents

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