Total amount of inorganic matter present in particular area time in an ecosystem in known as :-

Options

A. Standing state
B. Standing crop
C. standing quality
D. both 2 & 3

Answer

To solve the question regarding the total amount of inorganic matter present in a particular area at a specific time in an ecosystem, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Terms**:
- We need to clarify what is meant by "inorganic matter" in the context of an ecosystem. Inorganic matter typically refers to minerals and nutrients that are not derived from living organisms.

2. **Identify the Options**:
- The options provided are:
- A) Standing state
- B) Standing crop
- C) Standing quality
- D) Both 2 and 3

3. **Analyze Each Option**:
- **Standing State**: This term refers to the total amount of inorganic matter or nutrients present in a specific area of an ecosystem at a given time. This aligns with the question's requirement.
- **Standing Crop**: This term refers to the total biomass of living material present in an ecosystem at a particular time, which does not pertain to inorganic matter.
- **Standing Quality**: This term is not commonly used in ecological studies and does not refer to any specific measurement related to the question.

4. **Determine the Correct Answer**:
- Based on the definitions, the correct term that describes the total amount of inorganic matter present in a particular area at a specific time in an ecosystem is **Standing State**.

### Final Answer:
The correct answer is **A) Standing State**.

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