AI-generated practice question — model-generated for extra practice, not a previous-year CBSE board question.
Biodiversity is important for human survival because:
Source: Forest and Wildlife Resources, Chapter 2
The examiner expects two distinct, clearly stated reasons drawn from the chapter. The key points are: (1) biodiversity sustains basic necessities — air, water, soil/food, and (2) it maintains ecological/genetic diversity that supports agriculture and fisheries. Avoid vague statements like "nature is important." Use textbook language such as "life support systems" and "ecological diversity" for full marks.