Back to Nature MCQ (Multiple Choice Questions) PDF - 46

MCQ 226: Plants takes in carbon dioxide and giving out:

1. Oxygen
2. Carbon dioxide
3. Carbon
4. Argon

MCQ 227: In the troposhere, convection is the process responsible for the transfer of:

1. Air
2. Heat
3. Moisture
4. Pollution

MCQ 228: Small animals in the ocean are known as:

1. Zooplanktons
2. Phytoplanktons
3. Biota
4. Planktons

MCQ 229: Nitrous oxide is 16% greater than in

1. pre-industrial times.
2. Post-industrial times.
3. Industrial revolution
4. Prerequisite time

MCQ 230: Hydroelectric schemes, supplyung about 6% of the world's:

1. Industrial energy
2. Residential energy
3. Commercial energy
4. Space energy