Select the incorrect match.

Options

A. Epiphytes - Saline conditions
B. Radioactive leakage - Three Mile Island
C. Bioconcentration - Hg and DDT
D. Haryana Kisan Welfare Club - Ahmed Khan

Answer

To solve the question "Select the incorrect match," we will analyze each option provided in the question.

### Step-by-Step Solution:

1. **Identify the Options:**
We have four pairs to evaluate:
- Option 1: Apiphytes - Saline condition
- Option 2: Radioactive leakage - 3 Mile Island
- Option 3: Bioconcentration - Mercury and DDT
- Option 4: Haryana Kisan Welfare Club - Ahmed Khan

2. **Evaluate Option 1: Apiphytes - Saline condition**
- **Definition of Apiphytes:** Apiphytes are plants that grow on other plants (epiphytes) and derive moisture and nutrients from the air and rain.
- **Assessment:** This match is correct because apiphytes do not specifically thrive in saline conditions; they can grow in various environments.

3. **Evaluate Option 2: Radioactive leakage - 3 Mile Island**
- **Background:** The Three Mile Island accident was a partial meltdown of a reactor in Pennsylvania, USA, which resulted in radioactive leakage.
- **Assessment:** This match is correct as it accurately describes the event associated with radioactive leakage.

4. **Evaluate Option 3: Bioconcentration - Mercury and DDT**
- **Definition of Bioconcentration:** Bioconcentration refers to the accumulation of substances, such as pesticides or heavy metals, in an organism.
- **Assessment:** This match is correct because both mercury and DDT are known to bioaccumulate in organisms.

5. **Evaluate Option 4: Haryana Kisan Welfare Club - Ahmed Khan**
- **Background Check:** The Haryana Kisan Welfare Club was actually established by Ramesh Chandra Dadar, not Ahmed Khan.
- **Assessment:** This match is incorrect.

### Conclusion:
The incorrect match is **Option 4: Haryana Kisan Welfare Club - Ahmed Khan**.

### Final Answer:
**Option 4** is the incorrect match.

---