Choose the incorrect statements from the following

Options

A. Bryophyllum - Fleshy and reproductive leaves
B. Vanda-Aerial, hanging hygroscopic roots
C. Acacia – Phylloclades are formed from petiole
D. Sunflower - Head with both unisexual and bisexual flowers

Answer

To solve the question of identifying the incorrect statements from the provided options, we will analyze each statement based on the information given in the video transcript.

### Step-by-Step Solution:

1. **Analyze the first statement about Bryophyllum:**
- The statement claims that Bryophyllum has fleshy reproductive leaves.
- The transcript confirms that Bryophyllum is known for vegetative propagation through its leaves, which can produce new plantlets from their margins.
- **Conclusion:** This statement is correct.

2. **Analyze the second statement about Vanda:**
- The statement mentions that Vanda has aerial, hanging, hygroscopic roots.
- The transcript supports this by explaining that Vanda is an epiphyte with roots that absorb moisture from the humid atmosphere.
- **Conclusion:** This statement is also correct.

3. **Analyze the third statement about Acacia:**
- The statement claims that in Acacia, phylloclades are formed from the petiole.
- The transcript clarifies that phylloclades are modifications of the stem, not the petiole. In Acacia, the petiole is modified into a structure called a phyllode, which performs photosynthesis.
- **Conclusion:** This statement is incorrect.

4. **Analyze the fourth statement about the sunflower:**
- The statement discusses the inflorescence of the sunflower, stating that the flower head has both unisex and bisexual flowers.
- The transcript confirms that the sunflower's flower head consists of many individual florets, which can be unisex and bisexual.
- **Conclusion:** This statement is correct.

### Final Answer:
The incorrect statement is from option C regarding Acacia, which incorrectly states that phylloclades are formed from the petiole. The correct term for the modification in Acacia is phyllode.