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Which of the following characters is uni...

Which of the following characters is unique to birds ?

A

Sternum

B

Wings

C

Dry skin

D

Feathers

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The correct Answer is:
D
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AAKASH SERIES-ANIMAL KINGDOM -EXERCISE -II (CHORDATES)
  1. Which of the following characters are seen in sharks ? (i) Body is ...

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  2. The diagram of a generalised chordate is given below . Select the opti...

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  3. Select the corect combinations is respect of characterstics of cartil...

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  4. Which of the following characters is unique to birds ?

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  5. Identify the given animal

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  6. Read following are two statements and choose the correct option . (a)...

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  7. To which classes do the following animals belong ? A - Pterophyllum , ...

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  8. Identify the following animals and the classes to which they belong .

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  9. All of the following characters are shared by crocodiles and birds exc...

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  10. Identify the group of animals that exhibit the following characters . ...

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  11. Match Column -I with Column -II select the correct option from the cod...

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  12. All of the following are true about birds except .

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  13. Read the given statements and select the correct option . (a) All am...

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  14. Match Column -I with Column -II and select the correct option from the...

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  15. Two characters shared by crocodiles and mammals are

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  16. Two characters shared by crocodiles and birds are 4-chambered heart ...

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  17. Camouflage is present in

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  18. External fertilisation occurs in which of the following pairs of anima...

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  19. Which one of the following is not a poisonous snake ?

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  20. Identify viviparous animals (s) from the figures given below .

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