Write any two differences between Incineration and Pyrolysis.

Write any two differences between external fertilization and internal fertilization.

Name various mathods of management of solid wastes. Differentiate between incineration and pyrolysis.

Write any two differences between morula and blastula.

Write any two differences between apocarpous and syncarpous ovary.

Write any three differences between coal and coke?

State any two differences between spermatogenesis and oogenesis.

Environmental pollution is undesirable change in the physical, chemical or biological characteristics of air, water or soil. It is caused by production and accumulation of wastes which may be industrial or domestic or agricultural or commercial. So the safe disposal of these wastes is essential to prevent environmental pollution. Answer the following questions related to managment of wastes: Differentiate between incineration and pyrolysis.

Write two differences between solution and emulsion.

Write any two differences between Natality and Mortality rate of population.