Match column I with column II and select the correct option from the given codes.
`{:("column I","Column II"),("Gross primary productivity",(i)"Self-sustainable"),("Net primary productivity",(ii)"Aquatic ecosystem"),("Pond",(iii)O_(2)"requiring process"),("Aquarium",(iv)"Photosynthetic production"),("Decompositon",(v)"Available to secondary consumers"):}`

Options

A. iv,ii,I,iii,v
B. iv,v,I,ii,iii
C. I,iii,ii,iv,v
D. ii,I,iii,v,iv

Answer

To solve the matching question between Column I and Column II, we will analyze each term in Column I and find its corresponding match in Column II.

### Step-by-Step Solution:

1. **Gross Primary Productivity (GPP)**:
- Definition: GPP is the rate at which solar energy is captured through photosynthesis by primary producers (plants).
- Match: This is related to (iv) "Photosynthetic production" because GPP is essentially the total amount of energy produced through photosynthesis.
- **Match: GPP → (iv)**

2. **Net Primary Productivity (NPP)**:
- Definition: NPP is the rate at which energy is stored as biomass after accounting for energy used in respiration by primary producers.
- Match: This relates to (v) "Available to secondary consumers" because NPP represents the energy available for consumption by herbivores and other secondary consumers.
- **Match: NPP → (v)**

3. **Pond**:
- Definition: A pond is a small body of still water that can support various forms of life and ecosystems.
- Match: This is an example of (i) "Self-sustainable" because ponds can maintain their ecosystems without external inputs, relying on natural processes.
- **Match: Pond → (i)**

4. **Aquarium**:
- Definition: An aquarium is a controlled environment that holds aquatic organisms.
- Match: This corresponds to (ii) "Aquatic ecosystem" because an aquarium is designed to replicate an aquatic ecosystem for the organisms it houses.
- **Match: Aquarium → (ii)**

5. **Decomposition**:
- Definition: Decomposition is the process by which organic substances are broken down into simpler organic or inorganic matter.
- Match: This process requires oxygen (O2) for aerobic decomposition, thus it relates to (iii) "O2 requiring process."
- **Match: Decomposition → (iii)**

### Final Matches:
- Gross Primary Productivity → (iv) Photosynthetic production
- Net Primary Productivity → (v) Available to secondary consumers
- Pond → (i) Self-sustainable
- Aquarium → (ii) Aquatic ecosystem
- Decomposition → (iii) O2 requiring process

### Summary of Matches:
- GPP → (iv)
- NPP → (v)
- Pond → (i)
- Aquarium → (ii)
- Decomposition → (iii)

### Correct Option:
Based on the matches, the correct option from the given codes is: **(iv), (v), (i), (ii), (iii)**.

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