Vessels are absent in angiosperm

Options

A. Magnolia
B. Drimys
C. Dillenia
D. None of the above.

Answer

**Step-by-Step Solution:**

1. **Understanding the Question**: The question asks which of the given options has vessels absent in angiosperms. Vessels are a type of water-conducting tissue found in many plants, particularly angiosperms (flowering plants).

2. **Identifying the Options**: The options provided are:
- a. Magnolia
- b. Dremes
- c. Delania
- d. None of the above

3. **Analyzing Each Option**:
- **Magnolia**: This is a well-known genus of flowering plants that typically possesses vessels. Therefore, vessels are present in Magnolia.
- **Dremes**: According to the information provided, Dremes is mentioned as one of the angiosperms that lack vessels. This suggests that vessels are indeed absent in this plant.
- **Delania**: There is no specific mention of Delania in the context of vessel presence or absence, but it is generally known that many angiosperms have vessels.
- **None of the above**: This option would imply that all the previous options have vessels, which is not true since Dremes is noted to lack vessels.

4. **Conclusion**: Based on the analysis, the correct answer is option **b. Dremes**, as it is an angiosperm that is known to lack vessels.

**Final Answer**: Option B: Dremes

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