The total number of natural orders in Bentham and Hooker system

Options

A. 25
B. 21
C. 165
D. 202

Answer

To answer the question regarding the total number of natural orders in the Bentham and Hooker system, we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Classification System**: The Bentham and Hooker system classifies spermatophytes (seed-bearing plants) into three main classes:
- Dicotyledons
- Gymnosperms
- Monocotyledons

2. **Further Divisions**: Each of these classes is further divided into subclasses, series, and cohorts. Specifically:
- There are 3 subclasses.
- 21 series.
- 25 cohorts.

3. **Identify Natural Orders**: The cohorts mentioned are referred to as "natural orders" or "families" in this classification system.

4. **Total Number of Natural Orders**: According to the Bentham and Hooker system, there are a total of **202 natural orders**.

5. **Select the Correct Option**: When looking at the provided options, the correct answer is the one that states there are 202 natural orders.

### Final Answer:
The total number of natural orders in the Bentham and Hooker system is **202**.

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