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A couplet in a key is...

A couplet in a key is

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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. (a) Two (b) One (c) Three (d) Four

By taxonomic keys we can observe or analyse the characters of not only one member but also of the other related members because at a time couplets are used in keys in which acceptance of only one and rejection of the other character is there. This practice in taxonomic keys prove which of the following assessment most effectively?

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

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

The charge flowing across the circuit on closing the key K is

A taxonomical key is used for

Each statement of a key is called

The concept of key was introduced by

The diagram alongside shows a circuit with the key k open. Calculate : the resistance of the circuit when the key k is closed.

The diagram alongside shows a circuit with the key k open. Calculate : the resistance of the circuit when the key k is open.

ALLEN-DIVERSITY OF THE LIVING WORLD-Exercise
  1. In keys, a pair of contrasting characters is called?

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  2. Couplet represents the choice made between two opposite options. This ...

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  3. A couplet in a key is

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  4. What is a monograph ?

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

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  6. are useful in providing information for identification of varieties of...

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  7. Taxonomists prepare and disseminate information through (A) and (B)

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  8. The taxonomic studies of various species of plants and animals are use...

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  9. Who gave two kingdom system?

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  10. Two kingdom system did not distinguish between the eukaryotes and prok...

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  11. Aristotle used simple morphological characters to classify plants into...

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  12. Through (A) and (B) kingdoms have been a consta under all different sy...

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  13. Q. Identify the A,B,C and D.

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  14. Q. How many kingdoms include producers and name these kingdoms?

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  15. Q. In which kingdom unicellular, eukaryotic autotrophic organisms are ...

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  16. Q. In how many kingdom cellulosic cell walled organisms are present?

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  17. Q. From above table, how many characters are uncommon between fungi an...

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  18. On the basis of different shapes, bacteria are grouped under

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  19. The criteria for classification are changing over time. Why?

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  20. All (A) organisms are grouped under kingdom monera and unicellular euk...

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