The ______________ theory attempts to explain to us the origin of the universe.
(a) Universal theory
(b) Cosmozoic theory
(c) Big Bang theory
(d) None of these

Options

A. Universal theory
B. Cosmozoic theory
C. Big Bang theory
D. None of these

Answer

To solve the question, "The ______________ theory attempts to explain to us the origin of the universe," we need to analyze the options provided:

1. **Understanding the Question**: The question is asking for a theory that explains the origin of the universe.

2. **Evaluating the Options**:
- **(a) Universal theory**: This term is not commonly associated with the origin of the universe in scientific literature.
- **(b) Cosmozoic theory**: This theory is related to the idea of life in the universe but does not specifically address the origin of the universe itself.
- **(c) Big Bang theory**: This is a well-established scientific theory that describes how the universe originated from a singular point approximately 13.7 billion years ago and has been expanding ever since.
- **(d) None of these**: This option would imply that none of the provided theories explain the origin of the universe, which is not correct since the Big Bang theory does.

3. **Conclusion**: Based on the evaluation, the Big Bang theory is the most appropriate answer as it directly addresses the origin of the universe.

Thus, the correct answer is **(c) Big Bang theory**.