A tuft of hair present at one or both ends of the seeds (for dispersal) is called

Options

A. Propellar
B. Coma
C. Pappus
D. Wing

Answer

To answer the question "A tuft of hair present at one or both ends of the seeds (for dispersal) is called," we can follow these steps:

### Step-by-Step Solution:

1. **Understand the Question**: The question is asking for the term used to describe a tuft of hair that aids in the dispersal of seeds.

2. **Analyze the Options**: The options provided are:
- a) Propeller
- b) Coma
- c) Paps
- d) Wings

3. **Evaluate Each Option**:
- **Option a: Propeller** - This refers to a fan-like structure, which is not related to seed dispersal through hair-like structures. So, this option is incorrect.
- **Option b: Coma** - This term refers to a tuft of hair-like structures found on some seeds, which helps in their dispersal by wind. For example, the seeds of the Calliclopis plant have such structures. This option seems correct.
- **Option c: Paps** - This is a modified calyx and does not refer to hair-like structures on seeds. So, this option is incorrect.
- **Option d: Wings** - Wings refer to leaf-like structures that help in dispersal but are not specifically hair-like. Thus, this option is also incorrect.

4. **Conclusion**: Based on the analysis, the correct answer is **Option b: Coma**. This term describes the tuft of hair present at one or both ends of the seeds that aids in their dispersal.

### Final Answer:
The tuft of hair present at one or both ends of the seeds (for dispersal) is called **Coma**.