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Political Science NCERT Solutions Class 9 Geography Chapter 5 – Natural Vegetation and Wildlife
Class 9 Geography
Last Updated: 24 July 2026
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हिंदी में (Hindi)
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Important Points
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Frequently Asked Questions (FAQ)
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Tough Words (Glossary)
Biodiversity
Meaning: Variety of living organisms in an area
अर्थ: किसी क्षेत्र में पाए जाने वाले जीवों की विविधता
"India is one of the 12 mega biodiversity countries."
Endemic
Meaning: Native and restricted to a certain place
अर्थ: किसी विशेष क्षेत्र का स्वदेशी और सीमित
"The Nilgiri tahr is endemic to the Western Ghats."
Species
Meaning: A group of similar organisms that can reproduce
अर्थ: ऐसे जीवों का समूह जो आपस में प्रजनन कर सकते हैं
"India has many species of birds and mammals."
Vegetation
Meaning: Plant life of a place
अर्थ: किसी स्थान की वनस्पति
"Natural vegetation grows without human help."
Flora
Meaning: All plant life of a region
अर्थ: किसी क्षेत्र की समस्त वनस्पतियाँ
"The flora of the Sundarbans includes mangroves."
Fauna
Meaning: All animal life of a region
अर्थ: किसी क्षेत्र के सभी पशु
"India’s fauna includes tigers and elephants."
Evergreen
Meaning: Staying green throughout the year
अर्थ: साल भर हरा रहने वाला
"Evergreen forests receive heavy rainfall."
Deciduous
Meaning: Trees that shed leaves seasonally
अर्थ: वे वृक्ष जो ऋतु अनुसार पत्ते गिराते हैं
"Teak is common in deciduous forests."
Thorn Forest
Meaning: Forest with thorny, drought-resistant plants
अर्थ: काँटेदार, सूखा-रोधी पौधों वाला वन
"Thorn forests occur in arid parts of Rajasthan."
Scrub
Meaning: Low, shrubby vegetation
अर्थ: झाड़ीदार निम्न वनस्पति
"Scrub covers semi-arid plains."
Montane
Meaning: Related to mountain regions
अर्थ: पर्वतीय क्षेत्रों से संबंधित
"Montane forests change with altitude."
Coniferous
Meaning: Cone-bearing evergreen trees
अर्थ: शंकुधारी सदाबहार वृक्ष
"Pine and deodar are coniferous trees."
Succulent
Meaning: Thick, fleshy stems/leaves that store water
अर्थ: जल संचित करने वाले मोटे तने/पत्तियाँ
"Cacti have succulent stems."
Evaporation
Meaning: Process of turning from liquid into vapor
अर्थ: द्रव का वाष्प में बदलना
"Small leaves reduce evaporation."
Altitude
Meaning: Height above sea level
अर्थ: समुद्र तल से ऊँचाई
"Vegetation changes with altitude."
Temperate
Meaning: Mild climate; neither very hot nor very cold
अर्थ: समशीतोष्ण; न बहुत गरम न बहुत ठंडा
"Temperate forests have oaks and chestnuts."
Alpine
Meaning: Related to very high mountains above tree line
अर्थ: बहुत ऊँचे पर्वतों (वृक्ष रेखा के ऊपर) से संबंधित
"Alpine grasses grow near the snowline."
Tundra
Meaning: Cold, treeless region with mosses and lichens
अर्थ: अत्यधिक ठंडा, बिना वृक्षों वाला क्षेत्र (काई‑लतिका)
"Tundra vegetation includes lichens."
Nomadic
Meaning: Moving from place to place with herds
अर्थ: झुंडों के साथ एक स्थान से दूसरे स्थान तक घूमने वाला
"Nomadic tribes graze animals in alpine meadows."
Mangrove
Meaning: Salt-tolerant trees in tidal coasts
अर्थ: ज्वारीय तटों पर उगने वाले नमक-सहिष्णु वृक्ष
"Mangrove roots are often under water."
Delta
Meaning: Triangular land at a river’s mouth
अर्थ: नदी के मुहाने पर बना त्रिकोणीय मैदान
"The Sundarban is a famous delta."
Luxuriant
Meaning: Rich and abundant growth
अर्थ: घनी और प्रचुर वृद्धि
"Evergreen forests show luxuriant growth."
Multilayered
Meaning: Having many layers
अर्थ: कई परतों वाला
"The rainforest has a multilayered canopy."
Commercial
Meaning: Related to trade or business
अर्थ: व्यापार/व्यवसाय से संबंधित
"Teak is a commercial timber tree."
Exploitation
Meaning: Overuse for benefit causing harm
अर्थ: लाभ के लिए अत्यधिक/अनियंत्रित दोहन
"Exploitation of forests threatens wildlife."
Endangered
Meaning: At risk of becoming extinct
अर्थ: विलुप्त होने के कगार पर
"The red panda is an endangered species."
Extinct
Meaning: No longer existing
अर्थ: जो अब अस्तित्व में नहीं है
"Some plant species have become extinct."
Conservation
Meaning: Protection and careful management
अर्थ: संरक्षण और सावधानीपूर्वक प्रबंधन
"Conservation helps save habitats."
Ecosystem
Meaning: Community of organisms and their environment
अर्थ: जीवों का समुदाय और उनका परिवेश
"Every species has a role in the ecosystem."
Pollination
Meaning: Transfer of pollen for fertilisation
अर्थ: पराग का स्थानांतरण जिससे निषेचन होता है
"Bees help in pollination of crops."