Given below are four methods (A-D) and their modes of action (i-iv) in achieving contraception. Select their correct matching from the four options that follow
`{:(,"Method",,"Mode of Action"),("A.","Oral pill","(i)","Prevents sperms reaching cervix"),("B.","Condom","(ii)","Suppresses sperm motility"),("C.","Vasectomy","(iii)","Prevents ovulation"),("D.","Copper T","(iv)","Semen contain no sperms"):}`

Options

A. A - (c) , B-(d) , C-(a) , D-(b)
B. A-(b) ,B-(c) , C-(a) , D-(d)
C. A-(c) , B-(a) , C-(d), D- (b)
D. A-(d) , B-(a) , C-(b) , D-(c)

Answer

To solve the question of matching the contraception methods with their respective modes of action, we will analyze each method and its corresponding action step by step.

### Step-by-Step Solution:

1. **Identify the Methods and Their Functions:**
- **A. Oral Pill**: This method contains hormones that prevent ovulation.
- **B. Condom**: This is a barrier method that prevents sperm from reaching the cervix.
- **C. Vasectomy**: This is a surgical procedure for male sterilization that prevents sperm from being present in semen.
- **D. Copper T**: This is an intrauterine device (IUD) that affects sperm motility and can prevent fertilization.

2. **Match Each Method with Its Mode of Action:**
- **A. Oral Pill** matches with **(iii) Prevents ovulation**.
- **B. Condom** matches with **(i) Prevents sperms reaching cervix**.
- **C. Vasectomy** matches with **(iv) Semen contains no sperms**.
- **D. Copper T** matches with **(ii) Suppresses sperm motility**.

3. **Summarize the Correct Matches:**
- A (Oral Pill) - (iii) Prevents ovulation
- B (Condom) - (i) Prevents sperms reaching cervix
- C (Vasectomy) - (iv) Semen contains no sperms
- D (Copper T) - (ii) Suppresses sperm motility

4. **Select the Correct Option:**
Based on the matches above, we can conclude that the correct matching is:
- A - (iii)
- B - (i)
- C - (iv)
- D - (ii)

### Final Answer:
The correct matching is:
- A - (iii)
- B - (i)
- C - (iv)
- D - (ii)