Ozone Depletion Quiz PDF: Questions and Answers - 67

MCQ 331: Over the heavily polluted areas of America and Europe, ozone level has fallen about

1. 0.03
2. 0.07
3. 0.09
4. 0.02

MCQ 332: In plants, acids inhibit the process of

1. Growth
2. Photosynthesis
3. Transpiration
4. Evaporation

MCQ 333: What gases are involved in ozone depletion ?

1. Nitrogen
2. Chlorine and Bromine
3. Chlorofluorocarbons (CFCs) and Ozone Depleting Substances (ODS)
4. Both B and C

MCQ 334: Which elements in the atmosphere alter the balance ?

1. CO₂, water vapors, N2o
2. Minerals, K, SO4
3. Phosphorous, Mg
4. Calcium, O₂

MCQ 335: The Closest atmospheric layer to the earth's surface is known as

1. Boundary Layer
2. Atmosphere
3. Biosphere
4. Hydrosphere