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Why thyroxine is a hormone not an enzyme...

Why thyroxine is a hormone not an enzyme

A

It is secreted in small quantity

B

It is not a polypeptide

C

It has no special effect

D

It is directly poured into blood

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The correct Answer is:
D
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MOTION-CHEMICAL COORDINATION AND INTEGRATION-Exercise - 2 NCERT Based Questions
  1. Which endocrine gland is not Ectodermal in origin?

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  2. Insulin differs from Growth hormone in :

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  3. Melanin protects from

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  4. Which one of the following pairs correctly matches a hormone with a di...

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  5. Sodium- potassium pump is

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  6. Why thyroxine is a hormone not an enzyme

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  7. Which one of the following pairs correctly matches a hormone with a di...

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  8. The excessive secretion of mineralocorticoids indepedent of renin - an...

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  9. In heart cells, which one serves as a second messenger, speeding up mu...

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  10. Abnormal condition when mammal of man become female like

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  11. Match item in column 'A' with those given in column 'B' :

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  12. Which of the following is not paired correctly?

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  13. Match the list I with list II :

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  14. Which of the following statements are false / true (A) Calcitonin re...

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  15. Match the hormones listed under column I with their functions listed u...

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  16. Which of the following hormones does not contain a polypeptide

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  17. Match the hormone with its source of secretion-

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  18. Which is a 32 amio acid water soluble peptide hormone

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  19. Which of the following is largest gland in adult man?

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  20. Which of the following pituitary hormone is a direct action hormone ?

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