Match the following columns
`{:("","Column-I","","Column-II"),(A,"Epiphytes",1,"cattle egret"),(B,"Grazing cattle",2,"orchid on mango tree"),(C,"sea anemone",3,"clown fish"):}`

Options

A. `{:(A,B,C),(1,2,3):}`
B. `{:(A,B,C),(1,3,2):}`
C. `{:(A,B,C),(2,1,3):}`
D. `{:(A,B,C),(2,3,1):}`

Answer

To solve the matching question, we need to identify the relationships between the organisms in Column I and Column II based on their ecological interactions. Here’s a step-by-step breakdown:

### Step 1: Understand the Organisms
- **Epiphytes**: Plants that grow on other plants (e.g., orchids on mango trees) without harming them.
- **Grazing Cattle**: Animals that graze on grass and can have a symbiotic relationship with other species (e.g., cattle egrets).
- **Sea Anemone**: A marine animal that often has a symbiotic relationship with clownfish.

### Step 2: Analyze Column II
- **Cattle Egret**: A bird that follows grazing animals to catch insects that are disturbed by their movement.
- **Orchid on Mango Tree**: A classic example of epiphytes growing on a host tree.
- **Clown Fish**: A fish that lives among sea anemones, gaining protection from predators.

### Step 3: Match the Organisms
- **A (Epiphytes)**: The correct match is with **2 (Orchid on Mango Tree)**. Epiphytes grow on mango trees without harming them.
- **B (Grazing Cattle)**: The correct match is with **1 (Cattle Egret)**. Cattle egrets benefit from the insects disturbed by grazing cattle.
- **C (Sea Anemone)**: The correct match is with **3 (Clown Fish)**. Clownfish get protection from sea anemones.

### Final Matches
- A → 2 (Epiphytes → Orchid on Mango Tree)
- B → 1 (Grazing Cattle → Cattle Egret)
- C → 3 (Sea Anemone → Clown Fish)

### Conclusion
The correct answer is:
- A: 2
- B: 1
- C: 3