Andhra Pradesh Board Solutions for Chapter: Our environment - Our concern, Exercise 10: Improve your learning

What is biomass? Draw a pyramid of biomass for the given food chain-

(I) Grass leaves (ii) Herbivores (iii) Predators (iv) Hawk

How is using of toxic materials affecting the ecosystem? Write a short note on bioaccumulation and biomagnifications.

Should we use pesticides as they prevent our crop and food from pests or should we think of alternatives? Write your opinion and reasons for it.

What will happen if we remove predators from food web?

Observe a plant in your kitchen garden, and write a note on producer-consumer relationship.

What type of information do you require to explain pyramid of biomass?

Draw a pyramid of numbers considering yourself as a top level consumer.

Suggest any three programmes on avoiding pesticides and preventing soil pollution.