In the following the duration of intra - uterine life is matched with the events completed. Which of these is matched correctly ?
i. End of the first month. Embryo heart is formed.
ii. End of the second month: Foetus develops limbs and digits.
iii. End of the fifth month : Hair on head
iv. End of the sixth month : Eyelashes are formed

Options

A. i, ii and iii
B. ii and iv
C. i and iii
D. i,ii , iii and iv

Answer

To solve the question, we need to analyze each statement regarding the duration of intra-uterine life and the corresponding developmental events that occur during that time.

### Step-by-Step Solution:

1. **Evaluate the first statement:**
- **Statement:** End of the first month. Embryo heart is formed.
- **Analysis:** By the end of the first month (around 4 weeks), the heart of the embryo is indeed formed and can be detected. This statement is correct.

2. **Evaluate the second statement:**
- **Statement:** End of the second month: Foetus develops limbs and digits.
- **Analysis:** By the end of the second month (around 8 weeks), the basic structures of limbs and digits start to develop. This statement is also correct.

3. **Evaluate the third statement:**
- **Statement:** End of the fifth month: Hair on head.
- **Analysis:** By the end of the fifth month (around 20 weeks), the fetus typically has fine hair (lanugo) covering the body, and some hair may be present on the head. This statement is correct.

4. **Evaluate the fourth statement:**
- **Statement:** End of the sixth month: Eyelashes are formed.
- **Analysis:** By the end of the sixth month (around 24 weeks), eyelashes and eyelids are indeed formed. This statement is also correct.

### Conclusion:
All four statements are matched correctly with their respective durations of intra-uterine life and developmental events. Therefore, the correct answer is that all statements are correct.