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Which one of the following statements ab...

Which one of the following statements about all the four of spongilla, leech, dolphin and penguin is correct ?

A

All are bilaterally symmetrical

B

Penguin is homoiothermic while the remaining three are poikilothermic

C

Leech is a fresh water form while all others are marine

D

spongilla has special collared cells called choanocytes, not found in the remaining three

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The correct Answer is:
D
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AAKASH INSTITUTE-ANIMAL KINGDOM (CHORDATES) -Assignment (Section-C)
  1. What will you look for to identify the sex of the following ?

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  2. which one of the following statements is totally wrong about the occur...

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  3. Which one of the following statements about all the four of spongilla,...

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  4. Crocodile and penguin are similar to whale and dogfish in which one of...

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  5. Which one of the following pairs of animals comprises 'Jawless fishes'...

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  6. Which one of the following phyla is correctly matched with its two gen...

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  7. Which of the following pairs are correctly matched ? {:(,"Animals",,...

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  8. Which one of the following is a matching pair of a body feature and th...

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  9. What is common between parrot, platypus and kangaroo ?

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  10. In which one of the following sets of animals do all the four give bir...

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  11. Which one of the following characters is not typical of the class Mamm...

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  12. Which of the following are correctly matched with respect to their tax...

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  13. One of the representative of Phylum arthropoda is

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  14. Correct characteristic of class reptilia are

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  15. Which one of the following animals is correctly matched with its one c...

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  16. Sharks and dogfishes differ from skates and rays by

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  17. A common characteristic of all vertebrates without exception is

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  18. Besides Annelida and Arthropoda, metamer- ism is found in

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  19. Which of the following is common among mammals?

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  20. Pneumatic bones are found in

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