Carrot plants store the food that they produce in their roots. Which of these specialized cell organelles must be present in the roots of carrot plants ?

Options

A. Centrioles
B. Chloroplasts
C. Chromoplasts
D. Leucoplasts

Answer

To determine which specialized cell organelles must be present in the roots of carrot plants, we can analyze the options provided:

1. **Centrioles**:
- Centrioles are barrel-shaped organelles found in animal cells and are primarily involved in cell division. They are not directly related to food storage in plant roots.
- **Conclusion**: Not present in carrot roots.

2. **Chloroplasts**:
- Chloroplasts are organelles responsible for photosynthesis, which occurs in green parts of plants (like leaves). Since carrot roots are underground and do not perform photosynthesis, chloroplasts are not present in the roots.
- **Conclusion**: Not present in carrot roots.

3. **Chromoplasts**:
- Chromoplasts are involved in the synthesis and storage of carotenoid pigments, which contribute to the color of fruits and flowers. They are not primarily involved in food storage.
- **Conclusion**: Not present in carrot roots.

4. **Leukoplasts**:
- Leukoplasts are colorless plastids found in plant cells that are responsible for the storage of starch, oils, and proteins. Since carrot roots store food in the form of starch, leukoplasts are the specialized organelles that must be present in the roots of carrot plants.
- **Conclusion**: Present in carrot roots.

**Final Answer**: The specialized cell organelles that must be present in the roots of carrot plants are **Leukoplasts**.