Which of the following works of P. Maheswari won world wide acclaim?

Options

A. Artifical culture of immature embryos
B. Use of embryological characters in Taxonomy
C. Research on tissue culture
D. Intra-ovarian pollination

Answer

To answer the question regarding which works of P. Maheshwari won worldwide acclaim, we can follow these steps:

### Step 1: Identify the Contributions of P. Maheshwari
P. Maheshwari is known for several significant contributions in the field of botany, particularly in plant reproduction.

### Step 2: List His Notable Works
His notable works include:
- Test tube fertilization
- Intra-ovarian pollination
- Use of embryological characters in taxonomy
- Artificial culture of immature embryos

### Step 3: Determine Which Works Gained Worldwide Acclaim
From the information provided, it is clear that P. Maheshwari gained worldwide acclaim specifically for:
- Test tube fertilization
- Intra-ovarian pollination

### Step 4: Eliminate Other Options
The other works mentioned (artificial culture of immature embryos and use of embryological characters in taxonomy) did not receive the same level of recognition.

### Conclusion
Thus, the works of P. Maheshwari that won worldwide acclaim are **test tube fertilization and intra-ovarian pollination**.

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