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प्रश्न
(a) Match the terms given in column I with the terms given in column II and column III having the same meaning:
| Column I | Column II | Column III | |
| (i) | Secondary consumer | Herbivore | 1st trophic level |
| (ii) | Primary consume | Autotroph | 3rd trophic level |
| (iii) | Producer | Carnivore | 4th trophic level |
| (iv) | Tertiary consumer | Large carnivore | 2nd trophic level |
(b) Give one example of a food chain having four organisms. Below each organism write the three appropriate terms from the part (a) above which you think it represents.
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उत्तर
| Column I | Column II | Column III |
| (1) Secondary consumer | Carnivore | 3rd trophic level |
| (2) Primary consumer | Herbivore | 2nd trophic level |
| (3) Producer | Autotroph | 1st trophic level |
| (4) Tertiary consumer | Large carnivore | 4th trophic level |
(b)
Grass → Grasshopper → Frog → Snake
| Organism | Column I |
Column II | Column III |
| Grass | Producer | Autotroph | 1st trophic level |
| Grasshopper | Primary consumer | Herbivore | 2nd trophic level |
| Frog | Secondary consumer | Carnivore | 3rd trophic level |
| Snake | Tertiary consumer | Large carnivore | 4th trophic level |
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