The correct option is (A). Regions like Jammu and Kashmir, Andhra Pradesh, and Kerala mainly have forests classified as reserved or protected. These forests are maintained by government authorities to ensure biodiversity conservation, prevent deforestation, and promote sustainable management of ...
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The correct option is (A). Poaching disturbs the food chain by reducing prey animals like deer and boar. With less food available, tigers starve or move to new areas, causing population decline. This indirect effect of poaching weakens the tiger ...
The correct option is (C). Resource development benefits overall progress only when supported by technological advancements and proper institutional systems. Technology ensures efficient use of resources, while institutions promote fair distribution, sustainability, and innovation, leading to long-term economic and social ...
Correct option – B (I and III). Aluminium oxide and zinc oxide are amphoteric and react with both dilute HCl and aqueous NaOH. Calcium oxide is basic (reacts with acid) and SO₂ is acidic (reacts with base). cbse sample paper 2025 ...
Correct option – B. Iron nail in P (CuSO₄) undergoes displacement: copper ions reduced to copper metal, giving a brownish coating; in Q (AgNO₃) iron displaces silver, producing a silver coating on the nail during the reaction. cbse sample paper 2025 ...