Select an incorrect statement for angiosperms

Options

A. Pollen grains and ovules are developed in specialised structures called flowers.
B. The seeds are enclosed by fruits
C. Dicotyledons are characterised by having two cotyledons in their leaves
D. Female sex organs in a flower is the pistil or the carpel

Answer

To solve the question of selecting an incorrect statement regarding angiosperms, we will analyze each statement provided.

### Step-by-Step Solution:

1. **Analyze the First Statement:**
- The statement claims that "pollen grains and ovules are developed in special structures called flowers."
- **Explanation:** Pollen grains are produced in the anthers, which are part of the flower. Ovules are found in the ovary, also part of the flower.
- **Conclusion:** This statement is **correct**.

2. **Analyze the Second Statement:**
- The statement claims that "seeds are enclosed by fruit."
- **Explanation:** In angiosperms, after fertilization, the ovary develops into a fruit that encloses the seeds.
- **Conclusion:** This statement is **correct**.

3. **Analyze the Third Statement:**
- The statement claims that "dicotyledons are characterized by having two cotyledons in their leaves."
- **Explanation:** Dicotyledons (dicots) are characterized by having two cotyledons in their seeds, not in their leaves. This is a common misconception.
- **Conclusion:** This statement is **incorrect**.

4. **Analyze the Fourth Statement:**
- The statement claims that "the female sex organs in a flower are pistil and carpel."
- **Explanation:** The pistil (or carpel) consists of the stigma, style, and ovary, which are indeed the female reproductive parts of the flower.
- **Conclusion:** This statement is **correct**.

### Final Answer:
The incorrect statement regarding angiosperms is:
**C: Dicotyledons are characterized by having two cotyledons in their leaves.**