Poison glands are usually present in the skin of

Options

A. Frogs
B. Toads
C. Newts
D. None of these

Answer

**Step-by-Step Solution:**

1. **Identify the Organisms**: The question asks about which organism has poison glands in their skin. The options provided are frogs, toads, newts, and nanopods.

2. **Understand the Characteristics of Each Option**:
- **Frogs**: Amphibians with moist skin, generally do not have prominent poison glands.
- **Toads**: Also amphibians, but they have dry skin and warts. They are known for having parotid glands which are poison glands.
- **Newts**: Amphibians that can secrete toxins but are not known for prominent poison glands like toads.
- **Nanopods**: This term is not commonly associated with any known amphibians or poison glands.

3. **Focus on Toads**: Toads have specialized glands called parotid glands located behind their eyes. These glands secrete toxins that serve as a defense mechanism against predators.

4. **Conclusion**: Based on the characteristics and the presence of parotid glands, the correct answer is **toads**.

**Final Answer**: Toads (Option B) have poison glands usually present in their skin.

---