Question

Identify incorrect match: A. Asparagus - Cladode - Balancing roots
B. Bougainvillea - Thorn - Runner
C. Dioscorea - Bulbil - Vegetative reproduction
D. Casuarina - Phylloclade - Xerophyte

• A. A and B
• B. A and C
• C. B and C
• D. B and D \

Hint:

The key to this question is recognizing that the spreading mechanism of plants like Bougainvillea involves branches, not runners. Be sure to analyze each pair and confirm if the characteristic and function align with the plant in question.

Answer 1

The Correct Option is A

Step 1: Understanding the plant modifications
- A. Asparagus – Cladode – Balancing roots (Incorrect)
- Cladodes are flattened, leaf-like stem modifications found in plants like Asparagus and Ruscus, but balancing roots are not associated with Asparagus.
- B. Bougainvillea – Thorn – Runner (Incorrect)
- Bougainvillea has thorns, but runner is incorrect.
- A runner is a specialized horizontal stem found in plants like Strawberry, whereas Bougainvillea does not produce runners.
- C. Dioscorea – Bulbil – Vegetative reproduction (Correct)
- Dioscorea reproduces vegetatively through bulbils, which develop into new plants.
- D. Casuarina – Phylloclade – Xerophyte (Correct)
- Casuarina exhibits phylloclades, which are modified stems that perform photosynthesis in xerophytic (dry) environments.
Step 2: Examining the given options
- Option 1 (A and B) → Correct, as both A and B contain incorrect matches.
- Option 2 (A and C) → Incorrect, as C is correctly matched.
- Option 3 (B and C) → Incorrect, as C is correctly matched.
- Option 4 (B and D) → Incorrect, as D is correctly matched.
Step 3: Conclusion Since A and B are incorrectly matched, the correct answer is Option (1).