CBSE Class 10 Biology Environmental Problems
- (A)Assertion : aquarium needs to be cleaned regularly (R)Reason : In an aquarium there is no microbes to clean the water. a) both A and R are true and R is correct explaination for A. b) both A and R are true but R notthe correct explanation of c) A is true R is false d) A is false R is true
- Why is damage to ozone layer is a cause of concern? Why steps are being taken to limit this damage?
- What is the effect of biomagnification on organisms of different trophic levels, especially the tertiary consumers?
- How doesw water shed management increases biomass production
- dumping of non biodegradable wastes reduce crop yield . why?
Please solve this below question
- define the term biomagnification
explain the phenomenon of biological magnification .How does it affect organisms belonging to different tropic level particularly the tertiary consumers
- Recycling is a good method for conservation of resources and disposal of waste. Justified the statement
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