Which one is present in integument of Frog but not in mammals ?
(a) Sweat glands
(b) Dermis
(c) Stratum germinativum
(d) Mucous glands

Options

A. Sweat glands
B. Dermis
C. Stratum germinativum
D. Mucous glands

Answer

To solve the question "Which one is present in the integument of Frog but not in mammals?", we will analyze each option provided:

### Step 1: Understand the Options
- **(a) Sweat glands**: These are present in mammals and are responsible for thermoregulation through the secretion of sweat.
- **(b) Dermis**: This is a layer of skin present in both frogs and mammals, providing structural support.
- **(c) Stratum germinativum**: This is a layer of the epidermis involved in the regeneration of skin cells, found in both frogs and mammals.
- **(d) Mucous glands**: These glands secrete mucus, which is important for moisture retention and protection in amphibians like frogs.

### Step 2: Analyze Each Option
- **Sweat glands**: Present in mammals, not in frogs.
- **Dermis**: Present in both frogs and mammals.
- **Stratum germinativum**: Present in both frogs and mammals.
- **Mucous glands**: Present in frogs (and other amphibians) but not in mammals.

### Step 3: Conclusion
Based on the analysis, the only option that is present in the integument of frogs but not in mammals is **(d) Mucous glands**.

### Final Answer
**(d) Mucous glands**

---