Fill in the following blanks with suitable words :
Silk is obtained from the ….............. of a silk moth.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks for a word that completes the sentence about where silk is obtained from in relation to a silk moth.

2. **Identifying Key Terms**: The key terms in the question are "silk" and "silk moth." We need to think about the life cycle of the silk moth and how silk is produced.

3. **Recalling the Life Cycle of Silk Moths**: Silk is produced during the life cycle of the silk moth. The silk moth goes through several stages: egg, larva (caterpillar), pupa, and adult moth.

4. **Focusing on the Pupa Stage**: During the pupa stage, the larva spins a protective covering around itself. This covering is known as a cocoon.

5. **Conclusion**: Therefore, silk is obtained from the cocoon of a silk moth.

**Final Answer**: Silk is obtained from the **cocoon** of a silk moth.

---