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In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant → Small fish → Large fish
- a)Plants
- b)Small fish
- c)Large fish
- d)All of these
Correct answer is option 'C'. Can you explain this answer?
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In a pesticide contaminated ponds food chain, which contains the maxim...
Understanding Pesticide Accumulation in Food Chains
In a food chain, substances like pesticides can accumulate as they move from one trophic level to another. This phenomenon is known as biomagnification.
Pesticide Accumulation Explained
- Plants: The base of the food chain. They absorb pesticides from the soil and water but usually contain lower concentrations.
- Small Fish: These fish consume plants and smaller organisms. As they eat the contaminated plants, they accumulate pesticides in their bodies, leading to higher concentrations than in plants.
- Large Fish: At the top of the food chain, large fish eat small fish. Because they consume many small fish over time, the concentration of pesticides in their bodies becomes even higher. This is due to biomagnification, where the concentration of toxins increases at each trophic level.
Why Large Fish Have the Maximum Amount of Pesticides
- Trophic Levels: Each time an organism is eaten, the toxins from its food are stored in its body. Large fish, being higher in the food chain, accumulate the pesticides from all the small fish they eat.
- Increased Concentration: As organisms at each level consume those below them, the amount of pesticide increases. By the time it reaches large fish, the concentration is at its peak.
Conclusion
Therefore, the correct answer to the question is option 'C' - Large Fish. They contain the maximum amount of pesticides due to the process of biomagnification in the food chain. Understanding this concept is crucial for grasping the impact of pollutants in ecosystems.
In a food chain, substances like pesticides can accumulate as they move from one trophic level to another. This phenomenon is known as biomagnification.
Pesticide Accumulation Explained
- Plants: The base of the food chain. They absorb pesticides from the soil and water but usually contain lower concentrations.
- Small Fish: These fish consume plants and smaller organisms. As they eat the contaminated plants, they accumulate pesticides in their bodies, leading to higher concentrations than in plants.
- Large Fish: At the top of the food chain, large fish eat small fish. Because they consume many small fish over time, the concentration of pesticides in their bodies becomes even higher. This is due to biomagnification, where the concentration of toxins increases at each trophic level.
Why Large Fish Have the Maximum Amount of Pesticides
- Trophic Levels: Each time an organism is eaten, the toxins from its food are stored in its body. Large fish, being higher in the food chain, accumulate the pesticides from all the small fish they eat.
- Increased Concentration: As organisms at each level consume those below them, the amount of pesticide increases. By the time it reaches large fish, the concentration is at its peak.
Conclusion
Therefore, the correct answer to the question is option 'C' - Large Fish. They contain the maximum amount of pesticides due to the process of biomagnification in the food chain. Understanding this concept is crucial for grasping the impact of pollutants in ecosystems.
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In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant→Small fish→Large fisha)Plantsb)Small fishc)Large fishd)All of theseCorrect answer is option 'C'. Can you explain this answer? for Class 5 2025 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant→Small fish→Large fisha)Plantsb)Small fishc)Large fishd)All of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 5 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant→Small fish→Large fisha)Plantsb)Small fishc)Large fishd)All of theseCorrect answer is option 'C'. Can you explain this answer?.
In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant→Small fish→Large fisha)Plantsb)Small fishc)Large fishd)All of theseCorrect answer is option 'C'. Can you explain this answer? for Class 5 2025 is part of Class 5 preparation. The Question and answers have been prepared according to the Class 5 exam syllabus. Information about In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant→Small fish→Large fisha)Plantsb)Small fishc)Large fishd)All of theseCorrect answer is option 'C'. Can you explain this answer? covers all topics & solutions for Class 5 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for In a pesticide contaminated ponds food chain, which contains the maximum amount of pesticides Plant→Small fish→Large fisha)Plantsb)Small fishc)Large fishd)All of theseCorrect answer is option 'C'. Can you explain this answer?.
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