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[A] : In frog skull is dicondyiic. [...

[A] : In frog skull is dicondyiic.
[R]: Skull articulates with the atlas vertebra by two occipital condyles one on each exoccipital.

A

If both A and R are true and R is the correct explanation of A

B

If both A and R are true but R is not the correct explanation of A

C

If A is true and R is false

D

If both A and R are false

Text Solution

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The correct Answer is:
A
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TRUEMAN BIOLOGY-Animal Physiology -ASSERTION AND REASON
  1. [A] : Blood platelets play a very important role in coagulation of bl...

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  2. [A]: Prothrombin is necessory for blood clot- ting. , [R]: This is...

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  3. [A] : In frog skull is dicondyiic. [R]: Skull articulates with the...

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  4. [A]: Jaws suspensorium in Mammals is craniostylic. [R]: Articulati...

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  5. [A]: At any given CO2 tension, reduced blood takes up larger amount of...

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  6. [A] : The gall bladderis the chief place for bile storage. [R]: Bi...

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  7. [A]: Choroid plexus is one of two thin-walled greatly folded highly va...

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  8. [A] : Most of the solutes in ECF and cytoplasm are electrolytes, i.e.,...

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  9. [A] : All body cells continuously obtain useful material from, and dis...

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  10. [A] : lnsulin is not given orally. [R]: Insulin is a macromolecule...

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  11. [A] : Thiamine deficiency results in beriberi causing paralysis. [R...

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  12. Assertion. Minerals do not form a component of biologically active com...

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  13. [A] : All terrestrial mammals are air breathers. [R]: Because of t...

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  14. A : Sense organs, do not interpret the stimulus, it is done by brain. ...

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  15. [A] : The record of electric potential that is ini- tiated in the card...

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  16. [A] : in amphibians heart is two chambered. [R]: The oxygenated blo...

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  17. [A] : Peyer s patches are derivatives of lym- phoid tissue. [R]: T...

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  18. [A] : Elephants have lophodont type of teeth. [R]: There is an int...

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  19. [A] : A complete double circulation occurs in birds for the first time...

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  20. [A] : The heart of birds is more advanced than the four chambered hear...

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