Three crops that contribute maximum to global food grain production are

Options

A. Wheat, rice and maize
B. Wheat, maize and sorghum
C. Wheat, maize and sorghum
D. Wheat, rice and barley

Answer

### Step-by-Step Solution:

1. **Identify the Question**: The question asks for the three crops that contribute the most to global food grain production.

2. **Research Global Food Grain Production**: Based on the information available, we need to look at the global production statistics for various food grains.

3. **List the Major Crops**:
- **Maize**: The global production of maize is approximately 817 million tonnes.
- **Wheat**: The global production of wheat is approximately 465 million tonnes.
- **Rice**: The global production of rice is approximately 496 million tonnes.

4. **Rank the Crops by Production**:
- First: Maize (817 million tonnes)
- Second: Rice (496 million tonnes)
- Third: Wheat (465 million tonnes)

5. **Conclusion**: The three crops that contribute the maximum to global food grain production are maize, rice, and wheat.

### Final Answer:
The three crops that contribute maximum to global food grain production are:
1. Maize
2. Rice
3. Wheat

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