The group often referred to as the 'garbage' of classification, contains

Options

A. (a) slime moulds
B. (b) simple algae
C. (c) simple animals
D. (d) all organisms not placed in other groups

Answer

To answer the question about the group often referred to as the 'garbage' of classification, we can follow these steps:

### Step-by-Step Solution:

1. **Understanding the Term "Garbage of Classification":**
- The phrase "garbage of classification" refers to a group of organisms that do not fit neatly into established taxonomic categories. These organisms often exhibit mixed characteristics that make them difficult to classify.

2. **Identifying the Characteristics of This Group:**
- Organisms that are considered 'garbage' typically do not belong to any specific kingdom or group. They may share traits from multiple groups, leading to confusion in classification.

3. **Evaluating the Given Options:**
- The options provided are:
- A) Kingdom Protista
- B) Algae (Kingdom Plantae)
- C) Simple Animals (Kingdom Animalia)
- D) All organisms which are not placed in other groups

4. **Analyzing Each Option:**
- **Option A (Kingdom Protista):** While Protista contains diverse organisms, it is still a recognized kingdom, so this option is incorrect.
- **Option B (Algae):** Algae are classified under the Plantae kingdom, making this option incorrect as well.
- **Option C (Simple Animals):** Simple animals are classified under the Animalia kingdom, which means this option is also incorrect.
- **Option D (All organisms which are not placed in other groups):** This option accurately describes the 'garbage' of classification, as it includes organisms that do not fit into any other established groups.

5. **Conclusion:**
- The correct answer is **Option D: All organisms which are not placed in other groups**. This option encapsulates the essence of the term "garbage of classification."