Question

Explain how the pesticides enter a food chain and subsequently get into our body. Or To protect the food plants from insects, an insecticide was sprayed in small amounts but it was detected in high concentration in human beings. How did it happen?

Answer 1

Answer:The pesticides enter a food chain and subsequently get into our body by the following way: ...

These pesticides when washed away into the soil or water bodies get absorbed by the plants.

When plants are consumed as food by man or other animals, the pesticides enter the food chain.

                                                   OR

It is so because we consume many plants as we are herbivores and the insecticide is spread on many plants where as it is less in amount for one plant but in gather is amount increases and since we eat too many plants accumulation of chemical is high in us.

Explanation: