About one pound of silk is obtained from about

Options

A. 21, 000 cocoons
B. 22, 000 cocoons
C. 24, 000 cocoons
D. 25, 000 cocoons

Answer

To solve the question regarding how many cocoons are needed to obtain about one pound of silk, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Source of Silk**:
- Silk is produced by silk worms, which are larvae of the silk moth. These worms feed primarily on the leaves of the mulberry plant.

2. **Cocoon Production**:
- After feeding on mulberry leaves, the silk worms spin cocoons. Each cocoon is made of silk fibers that the worm secretes.

3. **Determine the Quantity of Cocoons**:
- The question asks for the number of cocoons required to produce one pound of silk.

4. **Research or Recall the Data**:
- From biological studies, it is known that a significant number of cocoons are needed to produce silk.

5. **Identify the Correct Number**:
- Based on the information available, it is established that approximately 25,000 cocoons are needed to yield one pound of silk.

6. **Final Answer**:
- Therefore, the answer to the question is that about **25,000 cocoons** are required to obtain one pound of silk.