Male Ascaris can be distinguished by

Options

A. Presence of suckers
B. Elongated body
C. Tapering tail with spicules
D. Curved tail with pineal spicules

Answer

To distinguish male Ascaris from female Ascaris, we can follow these steps:

### Step 1: Understand the Basic Characteristics of Ascaris
- Ascaris is a type of nematode (roundworm) that is a parasite found in the human intestine and causes a disease called Ascariasis.

### Step 2: Compare the Body Structure
- Male and female Ascaris have different body shapes. The female Ascaris has a longer and more elongated body compared to the male.

### Step 3: Analyze the Tail Structure
- The male Ascaris has a distinct tail that is curved or coiled, while the female's tail is straight and elongated.

### Step 4: Identify Unique Features of Male Ascaris
- The male Ascaris has specialized structures called "pineal spicules" located at the end of its curved tail. These spicules are not present in female Ascaris and are important for reproduction and copulation.

### Step 5: Conclusion
- Therefore, the male Ascaris can be distinguished by its curved tail and the presence of pineal spicules.

### Summary
- Male Ascaris can be distinguished by:
- Curved tail
- Presence of pineal spicules

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