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Frog's heart when taken out of the body ...

Frog's heart when taken out of the body continues to beat for sometime.
Select the best option from the following statements.
(a) Frog is poikilotherm
(b) Frog does not have any coronary circulation
(c ) Heart is "myogenic" in nature
(d) Heart is autoexcitable

A

Only (3)

B

Only (4)

C

(1) and (2)

D

(3) and (4)

Text Solution

Verified by Experts

The correct Answer is:
D
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Frog's heart when taken out of the body continues to beat for sometime Select the best option from the following statements (A) Frog is a poikilotherm (B) Frog does not have any coronary circulation (C) Heart is "Myogenic" in nature (D) Heart is autoexcitable

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MODERN PUBLICATION-STRUCTURAL ORGANISATION IN ANIMALS-COMPETITION FILE (OBJECTIVE TYPE QUESTIONS) (MULTIPLE CHOICE QUESTIONS)
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  2. Frogs

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  3. Most of the cartilages in vertebrate embryo are replaced in adult by

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  4. Which one is a specialised connective tissue among these

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  5. Muscles of heart are

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  6. Skeletal muscle fibre is a "Syncytium" which means it is

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  7. In male cockroaches, sperms are stored in which part of the reproducti...

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  8. Smooth muscles are

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  9. Which type of tissue correctly matches with its location

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  10. Which of the following features is not present in Periplaneta american...

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  11. Frog's heart when taken out of the body continues to beat for sometime...

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  12. Select the correct route for the passage of sperms in male frogs

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  13. Nissi bodies are mainly composed of

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  14. Match the items given in column-I with those in column-II and select t...

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  15. Which of the following features is used to identify a male cockroach f...

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  16. Select the correct sequence of organs in the alimentary canal of cockr...

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  17. The ciliated epithelial cells are required to move particles or mucus ...

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  18. Mark the correct one regarding typhlosole:

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  19. Which is not true for cockroach?

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  20. The vitamins required to maintain bone density

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