BHC and DDT act as:

Options

A. carcinogens
B. allergens
C. asthmatic agents
D. All of these

Answer

To solve the question "BHC and DDT act as:", we will analyze the properties and effects of both compounds step by step.

### Step 1: Identify the compounds
- **BHC** stands for **Benzene Hexachloride**.
- **DDT** stands for **Dichloro Diphenyl Trichloroethane**.

### Step 2: Understand the classification
Both BHC and DDT are classified as **chlorinated hydrocarbons**. This means they are organic compounds that contain chlorine and are derived from hydrocarbons.

### Step 3: Analyze the effects of BHC and DDT
- These compounds are known to be **fat-soluble**, which means they can accumulate in the fatty tissues of living organisms.
- They have been shown to have toxic effects on various biological systems.

### Step 4: Identify specific health impacts
- Laboratory tests have indicated that both BHC and DDT can cause **cancer**. This categorizes them as **carcinogens**.
- Additionally, they can also cause other health issues, such as affecting the liver and reproductive systems.

### Step 5: Conclusion
Based on the information gathered, we conclude that BHC and DDT act primarily as **carcinogens**, meaning they are agents that can cause cancer.

### Final Answer
BHC and DDT act as **carcinogens**.

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