Identify the incorrect combinations
(A) Rhizophora - Respiratory roots
(B) Nerium - Runners
C) Pine apple - Suckers
D) Rafflesia - Complete stem parasite

Options

A. A & C
B. B & C
C. B & D
D. C & D

Answer

To solve the question of identifying the incorrect combinations, we will analyze each option given.

### Step-by-Step Solution:

1. **Analyze Option A: Rhizophora - Respiratory roots**
- Rhizophora is a genus of mangrove plants known for their specialized roots that protrude above the water to obtain oxygen. These roots are indeed called respiratory roots.
- **Conclusion**: This combination is correct.

2. **Analyze Option B: Nerium - Runners**
- Nerium, commonly known as Oleander, is a shrub that does not propagate through runners. Instead, it primarily reproduces through seeds and cuttings.
- **Conclusion**: This combination is incorrect.

3. **Analyze Option C: Pineapple - Suckers**
- Pineapple plants can produce suckers, which are shoots that grow from the base of the plant. These suckers can be used for propagation.
- **Conclusion**: This combination is correct.

4. **Analyze Option D: Rafflesia - Complete stem parasite**
- Rafflesia is known as a complete root parasite, as it does not have chlorophyll and relies entirely on its host plant for nutrients. It is not a stem parasite.
- **Conclusion**: This combination is incorrect.

### Final Answer:
The incorrect combinations are:
- (B) Nerium - Runners
- (D) Rafflesia - Complete stem parasite