Wisdom teeth in human is

Options

A. Third molar,four in number
B. Third molar,two in number
C. Second molar,four in number
D. Second molar, two in number

Answer

**Step-by-Step Solution:**

1. **Understand the Question**: The question asks about wisdom teeth in humans. We need to identify what they are and how many there are.

2. **Define Wisdom Teeth**: Wisdom teeth are commonly known as the third molars. They typically emerge in late adolescence or early adulthood.

3. **Know the Dental Formula**: The general dental formula for an adult human is 32 teeth, which includes:
- 8 incisors
- 4 canines
- 8 premolars
- 12 molars (which includes the 4 wisdom teeth)

4. **Identify the Number of Wisdom Teeth**: Since wisdom teeth are the third molars, and there are two in each quadrant of the mouth (upper left, upper right, lower left, lower right), there are a total of 4 wisdom teeth.

5. **Evaluate the Options**:
- Option A: 3rd molar which are 4 in number (Correct)
- Option B: 3rd molar which are 2 in number (Incorrect)
- Option C: 2nd molar which are 4 in number (Incorrect)
- Option D: 2nd molar which are 2 in number (Incorrect)

6. **Conclusion**: Based on the definitions and evaluations, the correct answer is that wisdom teeth in humans are the 3rd molars, and there are 4 in number.

**Final Answer**: Wisdom teeth in humans are the 3rd molar, which are 4 in number.

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