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Sharks and dogfishes differ from skates ...

Sharks and dogfishes differ from skates and rays by

A

Their pectoral fins distinctly marked off from cyclindrical bodies

B

Gill slits are ventrally placed

C

Head and trunk are widened considerably

D

Distinct demarcation between body and tail

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A
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AAKASH INSTITUTE-ANIMAL KINGDOM (CHORDATES) -Assignment (Section-C)
  1. Correct characteristic of class reptilia are

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

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  3. Sharks and dogfishes differ from skates and rays by

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  4. A common characteristic of all vertebrates without exception is

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

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  6. Which of the following is common among mammals?

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  7. Pneumatic bones are found in

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  8. Fish introduced in india by foreigners is

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  9. Long hollow bones connected by passages are characteristics of

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  10. Fish, which eradicates the mosquito larva is

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  11. Which of the following is not found in birds

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  12. What is ture for mammalia:

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  13. Which of the following character is not found in all the chordates:

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  14. A post -anal tail is found in

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  15. in which of the following the notochord is present in embryonic stage

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  16. Given below are four matchings of an animal and its kind of respirator...

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  17. One of the followings is a very unique feature of the mammalian body

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  18. Animals have the innate ability to escape from predation Examples for ...

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  19. Annual migration does not occur in the case of

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  20. What is true about Nereis, scorpion, cockroach and silver fish ?

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