Select the option that contains only biodegradable wastes.

Options

A. Orange peel, Metal key, Roti
B. Cotton cloth, Mango fruit, Nylon wire
C. Aluminium can, Keyboard, Plastic bag
D. Jute bag, Mouldy bread, Newspaper

Explanation

To solve the question of selecting the option that contains only biodegradable wastes, we will follow these steps:

### Step 1: Understand Biodegradable Waste
Biodegradable waste refers to organic materials that can be broken down by microorganisms into simpler, non-toxic substances. Common examples include food scraps, paper, and certain textiles.

**Hint:** Remember that biodegradable materials are typically derived from living organisms and can decompose naturally.

### Step 2: Analyze Each Option
We will evaluate each option provided to identify which contains only biodegradable materials.

1. **Option 1: Orange Peel and Metal**
- Orange peel is biodegradable.
- Metal is non-biodegradable.
- **Conclusion:** This option is incorrect.

2. **Option 2: Cotton Cloth, Mango Fruit, and Nylon Wire**
- Cotton cloth is biodegradable.
- Mango fruit is biodegradable.
- Nylon wire is non-biodegradable.
- **Conclusion:** This option is incorrect.

3. **Option 3: Aluminum Can, Keyboard, and Plastic**
- Aluminum can is non-biodegradable.
- Keyboard (usually made of plastic) is non-biodegradable.
- Plastic is non-biodegradable.
- **Conclusion:** This option is incorrect.

4. **Option 4: Jute Bag, Multibread, and Newspaper**
- Jute bag is biodegradable.
- Multibread (assuming it refers to bread) is biodegradable.
- Newspaper is biodegradable.
- **Conclusion:** This option is correct.

### Step 3: Final Selection
After analyzing all the options, we find that **Option 4** contains only biodegradable wastes.

**Final Answer:** Option 4 (Jute bag, Multibread, Newspaper) is the correct choice.

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