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Birds are adaptive to aerial mode of lif...

Birds are adaptive to aerial mode of life. Which of the statements is not correct ?

A

fore limbs are modified into wings for flying

B

feathers present on the body provide insulation

C

lungs shows air sacs attached to it

D

heavy bones are present to reduce the weight of the body and help in flying

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The correct Answer is:
D
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LAKHMIR SINGH & MANJIT KAUR-DIVERSITY IN LIVING ORGANISMS-Diversity In Living Organisms
  1. The hind limbs in birds are modified form of :

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  2. The hind limbs in birds are modified for :

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  3. Birds are adaptive to aerial mode of life. Which of the statements is ...

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  4. Features that help the bird to maintain constant body temperature :

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  5. In the following figures what is the common features ?

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  6. Hollow bones occur in :

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  7. Which of the following is not aerial adaptation ?

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  8. The number of teeth in the beak of birds are :

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  9. The class Aves have the following features except that their :

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  10. Pneumatic bones are found in :

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  11. Which of the following is not an aerial adaptation of a bird ?

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  12. Feathers and breaks are present in the animals of class :

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  13. The characteristic not common between bony fish and pigeon is

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  14. Which one is a warm blooded animal ?

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  15. Which of the following is a warm-blooded animal :

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  16. Which one of the following is egg laying mammal :

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  17. (a) Identify figures A to F ? (b) What is the phylum of D, E and F ?...

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  18. (a) Identify figure A to D (b) Which one of them is (i) diploblastic...

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  19. (a) Identify the figure and write down its class (b) Lebel A,B,C and...

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  20. What is scientific name of cow ?

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