Crabohydrates, the most abundant biomlecles on earth, are produced by

Options

A. Some bacteria, algae and green plant cells
B. All bacteria, fungi and algae
C. Fungi, algae and green plants cells
D. Viruses, fungi and bacteria

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the producers of carbohydrates, which are the most abundant biomolecules on Earth.

2. **Identifying Producers**: Carbohydrates are primarily produced by organisms that can perform photosynthesis. This includes green plants, algae, and some bacteria.

3. **Evaluating Options**:
- **Option A**: Some bacteria, algae, and green plants - This option includes organisms that can perform photosynthesis.
- **Option B**: All bacteria, fungi - Fungi do not produce carbohydrates as they are saprophytic and depend on other organisms for food.
- **Option C**: Algae, fungi, algae, green plants - Again, fungi do not produce carbohydrates.
- **Option D**: Viruses, fungi, bacteria - Viruses cannot produce carbohydrates, and fungi do not produce their own food.

4. **Conclusion**: The only viable option that includes organisms capable of photosynthesis is **Option A: Some bacteria, algae, and green plants**.

5. **Photosynthesis Equation**: The process of photosynthesis can be summarized by the equation:
\[ 6CO_2 + 6H_2O \rightarrow C_6H_{12}O_6 + 6O_2 \]
This shows how carbon dioxide and water are converted into glucose and oxygen, highlighting the role of photosynthetic organisms in carbohydrate production.

6. **Final Answer**: Therefore, the correct answer to the question is **Option A: Some bacteria, algae, and green plants**.

---