The alkaloid, colchicine, used in biological laboratories to induce polyploidy is extracted from the :

Options

A. corms of Colchicum luteum
B. leaves of Phormium tenax
C. roots of Withania somnifera
D. stems of Glycyrrhiza glabra

Explanation

To solve the question regarding the source of the alkaloid colchicine, we can follow these steps:

### Step 1: Understand the Question
The question asks where colchicine, an alkaloid used to induce polyploidy in biological laboratories, is extracted from.

**Hint:** Identify what colchicine is and its significance in biological studies.

### Step 2: Identify the Source of Colchicine
Colchicine is derived from plants. Specifically, it is known to be extracted from the Colchicum species.

**Hint:** Recall that alkaloids are often derived from specific plants and that colchicine is linked to a particular plant family.

### Step 3: Name the Specific Plant
The specific plant from which colchicine is extracted is Colchicum luteum, commonly known as meadow saffron.

**Hint:** Look for the scientific name and common name of the plant associated with colchicine.

### Step 4: Confirm the Correct Option
If provided with multiple choice options, identify which option corresponds to Colchicum luteum. In this case, the correct answer is option A, which refers to Colchicum luteum.

**Hint:** Match the options with the scientific name of the plant to find the correct answer.

### Final Answer
Colchicine is extracted from **Colchicum luteum** (meadow saffron), making the correct option **A**.

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