Question:
Which one of the following pair of hormones is NOT antagonistic?
Which one of the following pair of hormones is NOT antagonistic?
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Rule:
Opposite effect $\rightarrow$ Antagonistic
Supportive effect $\rightarrow$ Not antagonistic
Supportive effect $\rightarrow$ Not antagonistic
Updated On: May 8, 2026
- Calcitonin and Parathormone
- Glucagon and Insulin
- Atrial Natriuretic hormone and Aldosterone
- Oestrogen and Progesterone
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Verified By Collegedunia
The Correct Option is D
Solution and Explanation
Concept: Antagonistic hormones are those that have opposite physiological effects.
• Calcitonin vs Parathormone: Opposite roles in calcium regulation
• Insulin vs Glucagon: Opposite roles in blood glucose regulation
• ANF vs Aldosterone: Opposite effects on sodium and water balance
Step 1: Check each pair.
• (A) Antagonistic: Yes
• (B) Antagonistic: Yes
• (C) Antagonistic: Yes
• (D) Oestrogen and progesterone: Work together in reproductive cycle (not antagonistic)
Step 2: Conclusion.
Thus, oestrogen and progesterone are not antagonistic. Final Answer: Option (D)
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