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[A] : Prostaglandins are hormone like mo...

[A] : Prostaglandins are hormone like molecules produced by many body cells of mammals
[R]: Prostaglandins stimulates contraction of smooth muscles, secretion and platelet aggregation.

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:
B
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TRUEMAN BIOLOGY-Animal Physiology -ASSERTION AND REASON
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  12. [A] : Vitamins A, D, E and K are fat soluble while vitamin B complex ...

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  13. [A] : In lower invertebrates the digestion is intracellular while in h...

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  14. [A] : Pancreas is the second largest of the di- gestive glands. [R]...

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  15. [A] : In the embryos liver is haemopoietic, it produces red blood corp...

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  16. [A] : Blood plasma is the slightly alkaline, living intercellular mat...

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  17. [A]: When platelets disintegrate, 5-hydroxy tryptamine and histamine a...

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  18. [A] : Blood platelets play a very important role in coagulation of bl...

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