Life span of Ascaris is

Options

A. 6-9 months
B. 9-12 months
C. 4-10 months
D. 10-12 weeks

Answer

**Step-by-Step Solution:**

1. **Understanding Ascaris**: Ascaris is a type of roundworm that infects humans. It is important to know that Ascaris is a parasitic organism.

2. **Life Cycle of Ascaris**: The life cycle begins when infective eggs are ingested by humans through contaminated soil or water.

3. **Hatching of Eggs**: Once ingested, the eggs reach the small intestine where they hatch into larvae.

4. **Migration of Larvae**: The larvae then migrate through the bloodstream to the liver and subsequently to the lungs. This migration can cause coughing.

5. **Reaching the Small Intestine Again**: The larvae can be coughed up and swallowed again, allowing them to return to the small intestine.

6. **Maturation into Adult Worms**: In the small intestine, the larvae mature into adult worms, which can then reproduce.

7. **Egg Production**: A female Ascaris can produce approximately 200,000 eggs per day.

8. **Life Span of Adult Ascaris**: The adult Ascaris can live for about 10 months to 2 years.

9. **Choosing the Correct Option**: Based on the life span information, the correct option for the life span of Ascaris is 9 to 12 months.

**Final Answer**: The life span of Ascaris is approximately **9 to 12 months**.

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