Biology NEET Full Syllabus Mock Test 180 Questions New Syllabus Mock Test - 11 PCB Single Correct MCQ
Published on: August 21, 2026

Which of the following is an amino acid derived hormone?

A
Epinephrine
B
Ecdysone
C
Estradiol
D
Cortisol

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Text Solution

Verified by Experts
The correct answer is:
A

• Epinephrine (adrenaline): Derived from the amino acid tyrosine. It belongs to the class of catecholamines. It is an amino acid-derived hormone.

• Ecdysone: A steroid hormone in insects, derived from cholesterol, not amino acids.

• Estradiol and Estriol: Both are steroid hormones, derived from cholesterol, not amino acids.

• Cortisol is steroid hormone secreted from adrenal cortex.

• Hence, among the given options, epinephrine is the only amino acid-derived hormone.

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