Red dye for dyeing silk to got from petals of

Options

A. Tagetes erecta
B. Zinnia elegans
C. Carthamus tinctorius
D. Eclipa prostrata.

Answer

To answer the question "Red dye for dyeing silk is obtained from petals of," we will analyze the options provided and identify the correct source of the red dye.

### Step-by-Step Solution:

1. **Identify the Options**: The options given are:
- Tagetus erectus
- Zinnia elegans
- Carthamus tinctorius
- Eclipta prostrata

2. **Research Each Option**:
- **Tagetus erectus**: This plant is known for its medicinal properties and is used in the pharmaceutical industry. It does not produce a red dye for silk.
- **Zinnia elegans**: This plant is primarily cultivated as an ornamental plant and does not have significant uses related to dyeing.
- **Carthamus tinctorius**: Commonly known as safflower, this plant is known to produce a red dye from its petals, which is used for dyeing silk. This is a natural source of dye and is also a cheaper alternative to saffron.
- **Eclipta prostrata**: This plant is recognized for its medicinal properties, particularly in treating respiratory ailments, and does not produce a dye for silk.

3. **Conclusion**: After analyzing all the options, the correct answer is **Carthamus tinctorius** as it is the only plant among the options that provides a red dye used for dyeing silk.

### Final Answer:
The red dye for dyeing silk is obtained from the petals of **Carthamus tinctorius**.

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