Bombyx is commonly known as

Options

A. Honey bee
B. silkworm
C. kingcrab
D. lac insect

Explanation

**Step-by-Step Solution:**

1. **Identify the Question**: The question asks for the common name of the organism "Bombyx."

2. **Analyze the Options**: The options provided are:
- A) Honeybee
- B) Silkworm
- C) King Crab
- D) Lac insect

3. **Evaluate Each Option**:
- **Option A: Honeybee** - The scientific name for honeybee is Apis. This does not match with Bombyx.
- **Option B: Silkworm** - The scientific name for silkworm is Bombyx mori. This matches perfectly with the question.
- **Option C: King Crab** - The scientific name for King Crab is Limulus, which does not relate to Bombyx.
- **Option D: Lac insect** - This is a different organism and does not correspond to Bombyx.

4. **Conclusion**: Based on the analysis, the correct answer is **B) Silkworm**. Bombyx is commonly known as silkworm.

5. **Additional Information**: Bombyx mori is a species of silk-producing insect that belongs to the phylum Arthropoda and is significant for its economic value due to silk production.