Topic: Sustainable Development (65 Questions)

Consider the following statements:

• Statement I.Circular economy reduces the emissions of greenhouse gases.
• Statement II.Circular economy reduces the use of raw materials as inputs.
• Statement III.Circular economy reduces wastage in the production process.

Which one of the following is correct in respect of the above statements?

With reference to the planet Earth, consider the following statements:

• I.Rain forests produce more oxygen than that produced by oceans.
• II.Marine phytoplankton and photosynthetic bacteria produce about 50% of world's oxygen.
• III.Well-oxygenated surface water contains several folds higher oxygen than that in atmospheric air.

Which of the statements given above is/are correct?

Consider the following statements: Statement-I: Many chewing gums found in the market are considered a source of environmental pollution. Statement-II: Many chewing gums contain plastic as gum base. Which one of the following is correct in respect of the above statements?

With reference to perfluoroalkyl and polyfluoroalkyl substances (PFAS) that are used in making many consumer products, consider the following statements:

• 1.PFAS are found to be widespread in drinking water, food and food packaging materials.
• 2.PFAS are not easily degraded in the environment.
• 3.Persistent exposure to PFAS can lead to bioaccumulation in animal bodies.

Which of the statements given above are correct?

Consider the following materials:

• 1.Agricultural residues
• 2.Corn grain
• 3.Wastewater treatment sludge
• 4.Wood mill waste

Which of the above can be used as feedstock for producing Sustainable Aviation Fuel?