Advertisements
Advertisements
प्रश्न
Which of the following limits the number of trophic levels in a food chain?
विकल्प
Decrease in energy at higher trophic levels
Sufficient food supply
Polluted air
Water
उत्तर
Decrease in energy at higher trophic levels
Explanation -
Since only 10 percent of energy available at a trophic level is passed on to the next trophic level and rest energy is lost as heat, very little usable energy remains available after four trophic levels. So, decrease in energy at higher trophic levels limits the number of trophic levels in a food chain.
APPEARS IN
संबंधित प्रश्न
Which one of the following in NOT a mode of nutrition in fungi?
Which one of the following in NOT a mode of nutrition in fungi?
Which of the two sets belong to the same trophic level?
In a food chain the second trophic level is occupied by ______.
Food chains are very important for the survival of most species.
If Ravi is consuming curd/yogurt for lunch, which trophic level in a food chain he should be considered as occupying?
Food chains are very important for the survival of most species.
The decomposers are not included in the food chain. The correct reason for the same is because decomposers:
Observe the food web and answer the questions given below:
Which trophic level is incorrectly defined?
Suggest one word for the following statement/definition.
Each level of food chain where transfer of energy takes place
State the reason for limited number of trophic levels in nature.
Why do different food chains in an ecosystem not have more than four to five trophic levels? Give reason.
