Flowers having only one set of essential orgens arre

Options

A. Monoecious
B. Dioecious
C. Bisexual
D. Unisexual

Answer

### Step-by-Step Solution:

1. **Understand the Essential Organs of a Flower:**
- The essential organs of a flower are the parts involved in reproduction, specifically in gamete formation and fertilization.

2. **Identify the Two Types of Essential Organs:**
- The two essential organs are:
- **Androsium:** This is the male reproductive part of the flower, consisting of stamens.
- **Gynoecium:** This is the female reproductive part of the flower.

3. **Define Flower Types Based on Essential Organs:**
- A flower that contains both androsium and gynoecium is referred to as a **bisexual flower**.
- A flower that contains only one of the two essential organs (either androsium or gynoecium) is referred to as a **unisexal flower**.

4. **Answer the Question:**
- Since the question asks for flowers that have only one set of essential organs, the correct answer is **unisexal flower**.

### Final Answer:
Flowers having only one set of essential organs are called **unisexal flowers**.

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