Preparing for your Class 9 Social Science exams? Geography can be tricky with its technical terms and environmental acronyms. To make your revision easier, we have compiled an exhaustive list of all the full forms found across the six chapters of the NCERT Class 9 Geography textbook.

Whether you are preparing for a unit test or the finals, bookmark this guide for a quick last-minute revision!

Chapter 1: India – Size and Location

• IST: Indian Standard Time (Measured at $82^\circ 30’E$ passing through Mirzapur).
• GMT: Greenwich Mean Time (The global standard time).
• UT: Union Territory.

Chapter 2: Physical Features of India

• BIMARU: Bihar, Madhya Pradesh, Rajasthan, and Uttar Pradesh (Acronym used to describe the socio-economic status of these states).

Chapter 3: Drainage

• GAP: Ganga Action Plan (The first major river cleaning initiative launched in 1985).
• NRCP: National River Conservation Plan (A national-level framework for reducing river pollution).

Chapter 4: Climate

• ITCZ: Inter-Tropical Convergence Zone (A broad trough of low pressure in equatorial latitudes).
• ENSO: El Niño Southern Oscillation (The combination of El Niño and the Southern Oscillation).
• IMD: India Meteorological Department.
• SST: Sea Surface Temperature.
• JET: Jet Streams (High-altitude westerly winds).

Chapter 5: Natural Vegetation and Wildlife

• IUCN: International Union for Conservation of Nature and Natural Resources.
• CITES: Convention on International Trade in Endangered Species of Wild Fauna and Flora.
• UNESCO: United Nations Educational, Scientific and Cultural Organization.
• WPA: Wildlife Protection Act (Enacted in 1972).
• JFM: Joint Forest Management.

Chapter 6: Population

• NPP: National Population Policy (Framework formulated in 2000).
• NFHS: National Family Health Survey.
• TFR: Total Fertility Rate.
• IMR: Infant Mortality Rate (Number of deaths of children below one year of age per 1000 live births).
• CMR: Child Mortality Rate.
• HYV: High Yielding Varieties (Seeds used during the Green Revolution).
• HDI: Human Development Index.

Quick Revision Table

Frequently Asked Questions (FAQs)

1. What is the significance of the IST? The Indian Standard Time (IST) ensures that the whole country follows a single time zone, preventing confusion that would arise from the 2-hour time lag between Gujarat and Arunachal Pradesh.

2. When was the Wildlife Protection Act (WPA) passed? The WPA was implemented in India in 1972 to protect plant and animal species.

3. What does ITCZ stand for in the context of Indian monsoons? ITCZ stands for Inter-Tropical Convergence Zone. Its shift over the Ganga plain in summer is a major factor in the arrival of the monsoons.

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