Consider the following four statements (i) - (iv) and select the correct option stating which ones are true (T) and which ones are false (F)
(i) The epithelium of proximal convoluted tobule (PCT) of nephron in the kidney has microvilli
(ii) Simple epithelium covers the dry surface of the skin, the moist surface of buccal cavity, pharynx, inner lining of salivary glands and of pancreatic ducts
(iii) The wall of internal organs such as the blood vessels, stomach and intestine contains skeletal muscle
(iv) Bone marrow in some bones is the site of production of blood cells.

Options

A. `{:(" (i) (ii) (iii) (iv)"),(" T F F T"):}`
B. `{:(" (i) (ii) (iii) (iv)"),(" F F T T"):}`
C. `{:(" (i) (ii) (iii) (iv)"),(" T T F F"):}`
D. `{:(" (i) (ii) (iii) (iv)"),(" T F T F"):}`

Explanation

To determine the truth value of the four statements provided, we will analyze each statement one by one.

### Step-by-Step Solution:

1. **Statement (i):** "The epithelium of proximal convoluted tubule (PCT) of nephron in the kidney has microvilli."
- **Analysis:** The proximal convoluted tubule (PCT) is lined with cuboidal epithelial cells that have microvilli on their apical surface. These microvilli increase the surface area for reabsorption of water, ions, and nutrients.
- **Conclusion:** This statement is **True (T)**.

2. **Statement (ii):** "Simple epithelium covers the dry surface of the skin, the moist surface of buccal cavity, pharynx, inner lining of salivary glands and of pancreatic ducts."
- **Analysis:** The dry surface of the skin is covered by stratified squamous epithelium, not simple epithelium. The moist surfaces such as the buccal cavity and pharynx are covered by stratified squamous epithelium as well. Therefore, the claim that simple epithelium covers these areas is incorrect.
- **Conclusion:** This statement is **False (F)**.

3. **Statement (iii):** "The wall of internal organs such as the blood vessels, stomach, and intestine contains skeletal muscle."
- **Analysis:** The walls of internal organs like blood vessels, stomach, and intestines are primarily composed of smooth muscle, not skeletal muscle. Skeletal muscle is typically found in voluntary muscles attached to the skeleton, not in the walls of internal organs.
- **Conclusion:** This statement is **False (F)**.

4. **Statement (iv):** "Bone marrow in some bones is the site of production of blood cells."
- **Analysis:** Bone marrow is indeed the site of hematopoiesis, which is the production of blood cells including red blood cells, white blood cells, and platelets. This statement is accurate.
- **Conclusion:** This statement is **True (T)**.

### Final Summary of Statements:
- (i) True (T)
- (ii) False (F)
- (iii) False (F)
- (iv) True (T)

### Correct Option:
The correct option stating which statements are true and which are false is:
- (i) T
- (ii) F
- (iii) F
- (iv) T