কনটেন্টটি শেষ হাল-নাগাদ করা হয়েছে: মঙ্গলবার, ১৮ নভেম্বর, ২০২৫ এ ০৫:৩৪ PM

Environment & Health

কন্টেন্ট: পাতা

Environment and its components  climet changes and global worming Water  Safe and wholesome water  Sources, uses and requirement of water  Water impurities  Principles and methods of purification of water  Water quality standards for drinking water Water borne diseases

Air and ventilation  Composition of air  Air pollutants and their sources  Indicators of air pollution  Effects of air pollution on health  Methods of prevention and control of air pollution  Ventilation

Climate change and green house effect Light  Criteria of good lighting  Measurements of light

 Effect of improper lighting on health Noise  Sources and properties of noise  Acceptable noise levels  Effects of noise exposure

 Control measures of noise Radiation  Sources and types of radiation  Effects of radiation on health  Measures of radiation protection

Creiteria of healthfulh housing  Housing standards  Effects of poor housing

Disposal of solid waste  Solid waste and its sources  Methods of disposal and medical biotechnology  Health hazards of solid wastes

Excreta disposal  Methods of excreta disposal  Sanitation barrier  Diseases borne by human excreta

এক্সেসিবিলিটি

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