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In keys, a pair of contrasting character...

In keys, a pair of contrasting characters is called?

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Couplet
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Pick up the correct option Keys are based on similar/contrasting characters.

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ALLEN -DIVERSITY OF THE LIVING WORLD-Exercise
  1. The places,where living plants are grown in protected environment unde...

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  2. What is the aim of zoological parks?

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  3. In keys, a pair of contrasting characters is called?

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

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  5. Each statement of couplet in the key is called

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  6. What is a monograph ?

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  7. Floria contains the actual account of .......... and .......... of pla...

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  8. Taxonomical aid which is useful in providing information for identific...

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

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

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  11. Who gave two kingdom system?

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

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

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

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  15. On the basis of shape, how many groups of bacteria are formed and what...

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  16. Assertion:- Classification systems are changing overynow and then. R...

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

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  18. Chlamydomonas and Amoeba are classified in kingdom protista according ...

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  19. Identify the following figures with structure A and B and write their ...

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  20. The bacterial structure is very (A), they are very complex in (B)

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