Flowers are exclusively bisexual in

Options

A. Cucurbits
B. Euphorbias
C. Malvaceae
D. Asteraceae.

Answer

To answer the question "Flowers are exclusively bisexual in," we will follow these steps:

### Step 1: Understand the Definition of Bisexual Flowers
- Bisexual flowers, also known as perfect flowers, contain both male (androecium) and female (gynoecium) reproductive structures within the same flower.

**Hint:** Remember that bisexual flowers have both male and female parts.

### Step 2: Identify the Families of Flowering Plants
- We need to consider different families of flowering plants and determine which ones have exclusively bisexual flowers.

**Hint:** Think about common plant families and their characteristics.

### Step 3: Analyze the Given Options
- The question provides multiple options, and we need to evaluate each one to see if they have exclusively bisexual flowers.

**Hint:** Look for specific characteristics of each family mentioned.

### Step 4: Recognize the Asteraceae Family
- The Asteraceae family, also known as the Compositae, is known for having exclusively bisexual flowers. This family includes a wide variety of plants, such as sunflowers, daisies, and cosmos.

**Hint:** Asteraceae is one of the largest families in flowering plants.

### Step 5: Confirm Other Families
- Other families mentioned, such as Cucurbitaceae, Euphorbiaceae, and Malvaceae, typically have unisexual flowers or do not exclusively have bisexual flowers.

**Hint:** Compare the reproductive structures of these families to Asteraceae.

### Step 6: Conclude the Answer
- Based on the analysis, the correct answer to the question is that flowers are exclusively bisexual in the Asteraceae family.

**Final Answer:** Asteraceae (Compositae) is the family where flowers are exclusively bisexual.