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Which of the following is an exclusive c...

Which of the following is an exclusive character of Class Mammalia ?

A

Homoiothermy

B

Internal fertilization

C

Presence of a 4-chambered heart

D

Presence of a muscular diaphragm

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The correct Answer is:
D
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TRUEMEN BIOLOGY ENGLISH-ANIMAL KINGDOM - PHYLUM CHORDATA-MULTIPLE CHOICE QUESTIONS
  1. Which was the first living creature to have orbited space

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  2. The only vegetarian sea mammals are

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  3. Which of the following is an exclusive character of Class Mammalia ?

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  4. Identify the aquatic mammal(s) from the following (i) Balaenoptera ...

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  5. Crocodile and penguin are similar to whale and dog fish in which one o...

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  6. The character that differentiates chordate from non-chordate is

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  7. Crocodile and penguin are similar to whale and dog fish in which one o...

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  8. Mammal's heart is

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  9. Which one of the following animals is correctly matched with its parti...

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  10. In which sub-phylum Notochord extends from head to tail region and per...

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  11. Which one of the following statements is totally wrong about the occur...

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  12. In some chrodates, the notochord is modified as the vertebral column. ...

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  13. What will you look for to identify the sex of the following

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  14. Which of the following animals shows discontinuous distribution?

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  15. What will you look for to identify the sex of the following?

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  16. Which one of the following the genus name, its two characters and its ...

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  17. Golden age of reptiles was

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  18. Birds produce sound due to the presence of

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  19. Calcium metabolism in birds gets disturbed due to the effect of:

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  20. Which one of the following categories of animals, is correctly describ...

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