Theory of panspermia was proposed to explain the

Options

A. Origin of universe
B. Origin of Life
C. Origin of earth
D. Evolution of life

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks about the purpose of the theory of panspermia. It provides four options to choose from.

2. **Evaluating the Options**:
- **Option A: Origin of Universe**: The theory of panspermia does not explain the origin of the universe. Instead, the Big Bang theory is commonly accepted for this purpose.
- **Option B: Origin of Life**: Panspermia is a theory that suggests life exists throughout the universe and is distributed by meteoroids, asteroids, comets, and planetoids. This theory is indeed proposed to explain the origin of life.
- **Option C: Origin of Earth**: Panspermia does not address the origin of Earth itself. This is unrelated to the theory.
- **Option D: Evolution of Life**: While there are various theories regarding the evolution of life, such as Lamarckianism and Darwinism, panspermia specifically does not explain evolution.

3. **Conclusion**: Based on the evaluation of the options, the correct answer is that the theory of panspermia was proposed to explain the origin of life.

4. **Final Answer**: The theory of panspermia was proposed to explain the origin of life.

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