Into which of the following kingdoms would you place a multicellular land organism that carries on photosynthesis ?

Options

A. Animalia
B. Plantae
C. Fungi
D. Protista

Explanation

To determine the kingdom into which a multicellular land organism that carries on photosynthesis would be classified, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Characteristics of the Organism**:
- The organism is multicellular.
- It is a land organism.
- It carries out photosynthesis.

2. **Understand the Process of Photosynthesis**:
- Photosynthesis is the process by which organisms convert light energy into chemical energy, typically using chlorophyll to capture sunlight and convert carbon dioxide and water into glucose and oxygen.

3. **Consider the Possible Kingdoms**:
- The main biological kingdoms include:
- Kingdom Animalia (animals)
- Kingdom Plantae (plants)
- Kingdom Fungi (fungi)
- Kingdom Protista (mostly unicellular organisms)
- Kingdom Monera (prokaryotic organisms, like bacteria)

4. **Narrow Down the Options**:
- Since the organism is multicellular and carries out photosynthesis, it cannot belong to Kingdom Animalia, Fungi, or Monera.
- Kingdom Protista includes some photosynthetic organisms, but they are typically unicellular or simple multicellular forms.

5. **Conclude the Classification**:
- The only kingdom that includes multicellular organisms that perform photosynthesis is Kingdom Plantae. This kingdom consists of eukaryotic organisms that are primarily autotrophic, meaning they produce their own food through photosynthesis.

6. **Final Answer**:
- Therefore, the correct kingdom for a multicellular land organism that carries on photosynthesis is **Kingdom Plantae**.