Select the incorrect match .

Options

A. EI Nino effect - odd climatic changes
B. Radioactive leakage - Three Mile island
C. Biomagnification - Hg and DDT
D. Haryana Kisan Welfara Club - Ahmed Khan

Answer

To solve the question of selecting the incorrect match, we will analyze each option provided in the question step by step.

### Step 1: Analyze the first match - EI Nino effect and odd climate change
- **Definition of EI Nino Effect**: The EI Nino effect refers to the periodic fluctuations in sea surface temperatures and atmospheric conditions over the Pacific Ocean, which can lead to significant changes in climate patterns globally.
- **Relation to Climate Change**: The EI Nino effect is indeed associated with odd climatic changes, such as increased rainfall in some areas and droughts in others, due to the warming of ocean waters.
- **Conclusion**: This match is correct.

### Step 2: Analyze the second match - Radioactive leakage and 3 Mile Island
- **Incident Overview**: The Three Mile Island accident occurred in 1979 in Pennsylvania, USA, where there was a partial meltdown of a reactor, leading to the release of radioactive gases.
- **Conclusion**: This match is also correct.

### Step 3: Analyze the third match - Bio-magnification, mercury, and DDT
- **Definition of Bio-magnification**: Bio-magnification refers to the process where the concentration of toxic substances increases in organisms at each successive level of the food chain.
- **Examples of Toxicants**: Mercury and DDT are well-known examples of substances that undergo bio-magnification, as they accumulate in the tissues of organisms and increase in concentration as they move up the food chain.
- **Conclusion**: This match is correct.

### Step 4: Analyze the fourth match - Haryana Kisan Welfare Club and Ahmed Khan
- **Overview of Haryana Kisan Welfare Club**: This club was established to support farmers and promote agricultural welfare in Haryana, and it was run by Ramesh Chandra Dagar.
- **Overview of Ahmed Khan**: Ahmed Khan is known for developing Polyblend, a modified plastic that can be used in various applications, particularly in waste management.
- **Conclusion**: This match is incorrect because Ahmed Khan is not associated with the Haryana Kisan Welfare Club.

### Final Answer
The incorrect match is: **Haryana Kisan Welfare Club - Ahmed Khan**.