Consider the following pairs of Aquatic Food Chain:
| Trophic level | Organisms |
| 1. Primary Producer | A. Pelican |
| 2. Primary Consumer | B. Fish |
| 3. Secondary Consumer | C. Zooplankton |
| 4. Tertiary Consumer | D. Phytoplankton |
Which among the following given pairs is correct?
1
1-A, 2-B, 3-C, 4-D
2
1-B, 2-C, 3-A, 4-D
3
1-C, 2-B, 3-D, 4-A
4
1-D, 2-C, 3-B, 4-A