Study the following and choose the correct statements
I)Hormones produced by adenohypohysis are protein hormones
II)Hormones stores by neurohypophysis are peptide hormones
III)Catecholamines are water soluble hormones
IV)Thyroid hormone is derived from aminoacid the tyrosine

Options

A. A)I and II
B. B)I,II and III and IV
C. C)II,III and IV
D. D)III and IV

Answer

To solve the question, we need to analyze each of the four statements provided regarding hormones and their characteristics. Let's evaluate each statement step by step.

### Step-by-Step Solution:

1. **Statement I: Hormones produced by adenohypophysis are protein hormones.**
- The adenohypophysis, also known as the anterior pituitary gland, produces several hormones, including growth hormone (GH), prolactin (PRL), and adrenocorticotropic hormone (ACTH). These hormones are indeed classified as protein hormones.
- **Conclusion:** This statement is correct.

2. **Statement II: Hormones stored by neurohypophysis are peptide hormones.**
- The neurohypophysis, or posterior pituitary gland, stores and releases hormones such as oxytocin and vasopressin (also known as antidiuretic hormone, ADH). Both of these hormones are classified as peptide hormones.
- **Conclusion:** This statement is correct.

3. **Statement III: Catecholamines are water-soluble hormones.**
- Catecholamines, which include epinephrine (adrenaline), norepinephrine (noradrenaline), and dopamine, are derived from the amino acid tyrosine. They are indeed water-soluble hormones.
- **Conclusion:** This statement is correct.

4. **Statement IV: Thyroid hormone is derived from amino acid tyrosine.**
- Thyroid hormones, such as thyroxine (T4) and triiodothyronine (T3), are synthesized from the amino acid tyrosine and iodine. They play crucial roles in regulating metabolism, growth, and development.
- **Conclusion:** This statement is correct.

### Final Evaluation:
Since all four statements are correct, the correct answer to the question is that all statements (I, II, III, and IV) are true.

### Correct Answer:
All statements are correct.