| Q.22 | Which statement is NOT correct regarding the food chain? | |
| Ans | 1. In food chain, energy level increases from lower trophic level to higher trophic level. | |
| 2. Every component of food chain forms trophic level. | ||
| 3. All the chains formed by nutritional relations are used to understand energy flow. | ||
| 4. Inter-relation between different food chains is known as a food web. |
Correct Ans: 1