Which of the following activities will help to sustain environmental balance?
(i) Usage of platinum jewellery as it will reduce the load on gold mines.
(ii) Farming as it helps to ensure that man does not eat up all the food producers .
(iii) Use of jute bags instead of polybags.
(iv) Using solar energy as it provides an alternative to fossil fuels.

Options

A. (ii) , (iii) and (iv) only
B. (i) , (ii) and (iv) only
C. (ii) and (iv) only
D. (iii) only

Answer

To determine which activities will help sustain environmental balance, let's analyze each option step by step:

### Step 1: Analyze the first option
**Activity:** Usage of platinum jewellery as it will reduce the load on gold mines.
**Analysis:** The use of platinum instead of gold does not inherently contribute to environmental balance. While it may reduce the demand for gold mining, it does not address broader environmental issues such as resource depletion or pollution. Therefore, this activity does not significantly help sustain environmental balance.
**Conclusion:** This option is **not** a valid activity for sustaining environmental balance.

### Step 2: Analyze the second option
**Activity:** Farming as it helps to ensure that man does not eat up all the food producers.
**Analysis:** Farming is essential for food production and can help maintain ecological balance by ensuring a steady supply of food. It allows for the cultivation of various crops, which can support biodiversity and food security. Thus, this activity is beneficial for sustaining environmental balance.
**Conclusion:** This option **is** a valid activity for sustaining environmental balance.

### Step 3: Analyze the third option
**Activity:** Use of jute bags instead of polybags.
**Analysis:** Jute bags are biodegradable and environmentally friendly, while polybags are non-biodegradable and contribute to pollution. Using jute bags helps reduce plastic waste and promotes sustainability, making this option a positive step towards environmental balance.
**Conclusion:** This option **is** a valid activity for sustaining environmental balance.

### Step 4: Analyze the fourth option
**Activity:** Using solar energy as it provides an alternative to fossil fuels.
**Analysis:** Solar energy is a clean and renewable source of energy that reduces reliance on fossil fuels, which are harmful to the environment. By using solar energy, we can decrease greenhouse gas emissions and promote a sustainable energy future.
**Conclusion:** This option **is** a valid activity for sustaining environmental balance.

### Final Conclusion
Based on the analysis:
- The activities that help sustain environmental balance are:
- Farming (ii)
- Use of jute bags instead of polybags (iii)
- Using solar energy (iv)

Thus, the correct answer is **(ii), (iii), and (iv)**.

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