Question

Which of the followings is not true for hormones?

• A. They are not available again after the process is over.
• B. Hormones are directly poured into blood.
• C. They induce or inhibit bio-chemical processes.
• D. Each and every hormone of human is always chemically protein.

Answer 1

The correct option is D

Each and every hormone of human is always chemically protein.

The correct option is (D).

Explanation for correct option:

1. Hormones are not always made of proteins, some hormones are derivatives of cholesterol such as steroid hormones namely testosterone, estrogen, and corticosteroids.
2. Some hormones are peptide hormones that is they are directly derived from peptides such as Oxytocin and FSH.
3. Hence, not all hormones are protein-based.

Explanation for incorrect options:

Option A:

Once hormones fulfill their function after secretion they're usually broken down by the liver.

Option B:

The given statement is true that hormones are poured into the blood directly.

Option C:

The very function of hormones is to induce and inhibit biochemical processes.

Final answer:

Hence, each and every hormone of humans is always chemically protein is an incorrect statement.