Energy Flow in Ecosystem Multiple Choice Questions (MCQ) PDF - 168

MCQ 836: What is the ultimate source of energy in an ecosystem?

1. Sunlight
2. Nutrients
3. Food
4. Water

MCQ 837: As the temperature increases, water reduces the amount of dissolved oxygen, resulting in increased

1. Nutrient activity
2. Chemical processes
3. Biological activity
4. Environmental activity

MCQ 838: The natural sources of sulfur dioxide involves:

1. Respiration
2. Cement production
3. PAN
4. Volcanic eruptions

MCQ 839: Which pollution is considered as the major environmental risk factor on environment?

1. Visual pollution
2. Therml pollution
3. Soil pollution
4. Air Pollution

MCQ 840: The essence of environmental sciences involve:

1. Social aspect
2. Political aspect
3. Economic aspect
4. All of above