Lac from Lac insects (Laccifer) is :-

Options

A. Secretory substance
B. Heamolymph
C. Fecal matter
D. Excretory matter

Answer

**Step-by-Step Solution:**

1. **Understanding Lac**: Lac is a natural resin produced by lac insects, specifically from the genus Laccifer. It is important to identify what lac is and its origin.

2. **Identifying the Source**: Lac is secreted by lac insects that belong to the family Coccoidea, particularly Laccifer, which is crucial for understanding its classification.

3. **Defining Lac**: Lac can be defined as a secretory substance. It is primarily a resin, which is a viscous organic compound that is secreted by these insects.

4. **Properties of Lac**: The resin produced is typically waxy in nature, which helps in identifying its characteristics compared to other substances.

5. **Commercial Uses**: Lac is commercially valuable and is used in various applications such as dyes, cosmetics, wood finishing, and polishes. This highlights its importance beyond just being a secretory product.

6. **Evaluating the Options**: Given the options:
- First: Secretory substance (correct)
- Second: Hemolymph (incorrect, as it is a colorless fluid in arthropods)
- Third: Fecal matter (incorrect, as it is waste)
- Fourth: Excretory matter (incorrect, as it is also waste)

7. **Conclusion**: The correct answer to the question "Lac from Lac insects (Laccifer) is:" is the first option, which is a secretory substance.

---