Autogamy in Paramecium corresponds to

Options

A. (a) cross fertilization
B. (b) self fertilization
C. (c) parthenogenesis
D. (d) mortality

Answer

To solve the question regarding autogamy in Paramecium, we will follow these steps:

### Step-by-Step Solution:

1. **Understanding Autogamy**:
- Autogamy refers to the process where a single organism produces gametes (sex cells) within the same cell. In the case of Paramecium, this means that it can create both male and female gametes internally.

2. **Identifying the Organism**:
- Paramecium is a unicellular organism that belongs to the kingdom Protista. It is known for its ability to reproduce in various ways, including autogamy.

3. **Conditions for Autogamy**:
- Autogamy typically occurs under conditions of nutritional stress. This means that when Paramecium is in a challenging environment, it may resort to self-fertilization to ensure reproduction.

4. **Analyzing the Options**:
- The options given are:
- A) Cross fertilization
- B) Cell fertilization
- C) Parthenogenesis
- D) Mortality
- Cross fertilization involves two different organisms contributing gametes, which does not apply here since autogamy is self-fertilization.
- Parthenogenesis refers to reproduction without fertilization, which is also not the case for autogamy.
- Mortality is unrelated to reproduction.

5. **Conclusion**:
- Since autogamy in Paramecium involves the production of gametes within the same cell, it corresponds to "cell fertilization". Therefore, the correct answer is option B.

### Final Answer:
**B) Cell fertilization**