Which of the following microbe is widely used in the removal of industrial wastes ?

Options

A. Trichoderma sp
B. Aspergillus niger
C. Pseudomonas putida
D. All of these

Answer

To solve the question "Which of the following microbe is widely used in the removal of industrial wastes?", we will analyze each option provided and determine their relevance in the context of industrial waste management.

### Step-by-Step Solution:

1. **Identify the Microbes Listed:**
- The options given are:
- A) Trichoderma species
- B) Aspergillus niger
- C) Pseudomonas pituita
- D) All of these

2. **Evaluate Each Microbe:**
- **Trichoderma species:**
- Trichoderma is a genus of fungi known for its ability to decompose organic matter. It is often used in bioremediation to break down pollutants and organic waste, making it useful in waste management.

- **Aspergillus niger:**
- Aspergillus niger is a fungus that is widely used in industrial applications, particularly for the production of citric acid. Citric acid can help in the breakdown of various organic materials, aiding in the digestion of waste.

- **Pseudomonas pituita:**
- Pseudomonas species, including Pseudomonas pituita, are known for their versatility in degrading various pollutants, including sulfur compounds. They play a significant role in bioremediation processes, helping to detoxify industrial waste.

3. **Assess the Options:**
- Each of the microbes mentioned (Trichoderma species, Aspergillus niger, and Pseudomonas pituita) has a role in the removal or degradation of industrial waste.
- Therefore, the option "All of these" (D) is valid since all the listed microbes contribute to waste removal.

4. **Conclusion:**
- Based on the evaluations, the correct answer is **D) All of these**.

### Final Answer:
D) All of these