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  1. Forest fires, triggered naturally by lightning or sparked by human negligence like discarded cigarettes and uncontained agricultural residue burning, severely harm forest dwellers. They incinerate minor forest produce—such as gum, honey and tendu leaves—eliminating vital tribal income and causing acRead more

    Forest fires, triggered naturally by lightning or sparked by human negligence like discarded cigarettes and uncontained agricultural residue burning, severely harm forest dwellers. They incinerate minor forest produce—such as gum, honey and tendu leaves—eliminating vital tribal income and causing acute respiratory illnesses. Effective prevention involves maintaining wide cleared fire lines, using real-time satellite fire-monitoring alerts, deploying rapid response beat patrols and actively involving forest-dwelling communities in participatory fire management.

     

    For more NCERT Solutions of Class 9 Social Science Part 2 Chapter 2 Life on Earth Question Answer (2026-27)

    https://www.tiwariacademy.com/ncert-solutions/class-9/social-science/part-2-chapter-2/

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  2. Forests earned the moniker ‘lungs of the Earth’ because their expansive foliage performs continuous gas exchange vital for terrestrial life. Through photosynthesis, trees absorb immense volumes of carbon dioxide, filtering airborne particulates and sequestering carbon in woody biomass. SimultaneouslRead more

    Forests earned the moniker ‘lungs of the Earth’ because their expansive foliage performs continuous gas exchange vital for terrestrial life. Through photosynthesis, trees absorb immense volumes of carbon dioxide, filtering airborne particulates and sequestering carbon in woody biomass. Simultaneously, they release copious amounts of oxygen into the atmosphere and drive the hydrological cycle via transpiration, cleansing air currents and stabilizing the planet’s atmospheric and thermal equilibrium.

     

    For more NCERT Solutions of Class 9 Social Science Part 2 Chapter 2 Life on Earth Question Answer (2026-27)

    https://www.tiwariacademy.com/ncert-solutions/class-9/social-science/part-2-chapter-2/

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  3. Economically significant native plants include Neem (Azadirachta indica), valued for biopesticides; Bamboo (Bambusoideae), crucial for paper and handicrafts; Mahua (Madhuca longifolia), prized for flowers and oil; and Sal (Shorea robusta), harvested for construction timber. Bamboo, Mango and Neem reRead more

    Economically significant native plants include Neem (Azadirachta indica), valued for biopesticides; Bamboo (Bambusoideae), crucial for paper and handicrafts; Mahua (Madhuca longifolia), prized for flowers and oil; and Sal (Shorea robusta), harvested for construction timber. Bamboo, Mango and Neem remain abundant across agricultural borders and public lands. However, naturally occurring, mature stands of Sal, Teak and Shisham have noticeably dwindled outside strictly protected forest reserves.

     

    For more NCERT Solutions of Class 9 Social Science Part 2 Chapter 2 Life on Earth Question Answer (2026-27)

    https://www.tiwariacademy.com/ncert-solutions/class-9/social-science/part-2-chapter-2/

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  4. India's rich biome diversity stems from its unique geographical position, vast latitudinal expanse and varied physical relief. Altitudes transition from sea level along extensive peninsular coastlines to towering Himalayan peaks, while annual precipitation ranges from under 15 cm in the Thar DesertRead more

    India’s rich biome diversity stems from its unique geographical position, vast latitudinal expanse and varied physical relief. Altitudes transition from sea level along extensive peninsular coastlines to towering Himalayan peaks, while annual precipitation ranges from under 15 cm in the Thar Desert to over 1,000 cm in Meghalaya. These varied combinations of thermal zones, rainfall and parent rock geology create rain forests, alpine meadows, thorn scrubs and coastal mangroves.

     

    For more NCERT Solutions of Class 9 Social Science Part 2 Chapter 2 Life on Earth Question Answer (2026-27)

    https://www.tiwariacademy.com/ncert-solutions/class-9/social-science/part-2-chapter-2/

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  5. The Pradhan Mantri Ujjwala Yojana replaces unvented biomass cooking stoves—which burn dung cakes, crop residues and firewood—with clean Liquefied Petroleum Gas (LPG). By eliminating dense indoor smoke, the scheme drastically reduces rural women's exposure to hazardous carbon monoxide and fine particRead more

    The Pradhan Mantri Ujjwala Yojana replaces unvented biomass cooking stoves—which burn dung cakes, crop residues and firewood—with clean Liquefied Petroleum Gas (LPG). By eliminating dense indoor smoke, the scheme drastically reduces rural women’s exposure to hazardous carbon monoxide and fine particulate matter (). This transition prevents chronic obstructive pulmonary disease (COPD), cataracts, persistent eye inflammation and cardiovascular complications while saving women strenuous firewood-gathering labor.

     

    For more NCERT Solutions of Class 9 Social Science Part 2 Chapter 2 Life on Earth Question Answer (2026-27)

    https://www.tiwariacademy.com/ncert-solutions/class-9/social-science/part-2-chapter-2/

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