18/08/2022
21. Deforestation of tropical moist forest in the Philippines is a major concern. Tropical moist forest are also known to be the richest land ecosystem in biomass and biodiversity.
A. Both statements are true ✓
B. The first statement is true and the second is false
C. The first statement are false and the second is true
D. Both statements are false
22. Per executive Order NO. 23, it is the obligation of the State to protect the remaining forest area of the country. It is also its obligation to allow natural regeneration of residual forest and development of plantation forests.
A. Statement 1 is false while statement 2 is true.
B. Both statements are false
C. Statement 1 is true while statement 2 is false
D. Both statements are true ✓
23. Once the trees are harvested, new trees can grow in their place and continue to sequester carbon. The rate of carbon sequestration depends on the management practice adopted, the tree species involved ant the geographic area covered.
A. Both statements are false
B. Statement 1 is true and second statement is false
C. Statement 1 is false and second statement is true
D. Both statements true ✓
24. Evaluate the following statements. Carbon cycling is a biogeochemical cycle whereby essential nutrients are returned to the rooting zone for plants growth and development. Nutrient cycling, on the other hand, is influenced by disruptive human activities that enhances soil compaction and leaching adverse to biomass production.
A. Both statements are true
B. The statement 1 is false and the second is true
C. Both statements are false
D. The statement 1 is true and the second is false ✓
25. Tropical soil are highly susceptible to physical degradation if they are exposed to the sun. The higher the rainfall, the more susceptible the soil to leaching.
A. Statement 1 is true and statement 2 is false
B. Both statements are true ✓
C. Statement 1 is false and statement 2 is true
D. Both statements are false
