Natural Vegetation Ch (5) Practice Quiz in English Part 1 || Class 11 Geography Book -2 Practice Quizzes in English Posted on February 27, 2025February 27, 2025 by Anshul Gupta0% 0 votes, 0 avg 0 Natural Vegetation Ch (5)Practice Quiz in English Part 1 || Class 11 Geography Book -2 Practice Quizzes in English 1 / 201. What causes the change in natural vegetation in mountainous areas? A. Decrease in temperature with increasing altitude B. Heavy rainfall C. None of the above D. Increase in temperature with increasing altitude Explanation: In mountainous areas, the decrease in temperature with increasing altitude leads to a corresponding change in natural vegetation. 2 / 202. Where are Tropical Evergreen and Semi-Evergreen forests found in India? A. Both (b) and (c) B. Andaman and Nicobar Islands C. Western Ghats D. Himalayan heights Explanation: These forests are found in the western slope of the Western Ghats, hills of the northeastern region and the Andaman and Nicobar Islands. 3 / 203. Which of the following is a common tree species in Tropical Thorn forests? A. Ber B. All of the above C. Wild date palm D. Babool Explanation: Important species found are babool, ber, and wild date palm, khair, neem, khejri, palas, etc. 4 / 204. Which of the following is NOT a type of Montane forest in India? A. Northern mountain forests B. Eastern mountain forests C. Southern mountain forests D. None of the above Explanation: Mountain forests can be classified into two types, the northern mountain forests and the southern mountain forests. 5 / 205. Which of the following is a characteristic of Tropical Evergreen forests? A. All of the above B. Trees shed leaves at a definite time C. Trees reach great heights up to 60 m or above D. No shrubs or creepers Explanation: Tropical evergreen forests are well stratified, with layers closer to the ground and are covered with shrubs and creepers, with short structured trees followed by tall variety of trees. In these forests, trees reach great heights up to 60 m or above. There is no definite time for trees to shed their leaves, flowering and fruition. 6 / 206. What is another name for Tropical Deciduous forests? A. Thorn forests B. None of the above C. Monsoon forests D. Evergreen forests Explanation: They are also called the monsoon forests. 7 / 207. Which of the following is NOT a type of Tropical Deciduous forest? A. Moist deciduous B. None of the above C. Semi-evergreen deciduous D. Dry deciduous Explanation: On the basis of the availability of water, these forests are further divided into moist and dry deciduous. 8 / 208. Which of the following is NOT a species found in Tropical Evergreen forests? A. Rosewood B. Mahogany C. Teak D. Ebony Explanation: Species found in these forests include rosewood, mahogony, aini, ebony, etc. 9 / 209. What is natural vegetation? A. All of the above B. Plants grown in a garden under human supervision C. Trees planted in a park D. Plant community undisturbed for a long time, adapted to climate and soil Explanation: Natural vegetation refers to a plant community that has been left undisturbed over a long time, so as to allow its individual species to adjust themselves to climate and soil conditions as fully as possible. 10 / 2010. Where are Moist Deciduous forests found in India? A. Himalayan foothills B. Odisha C. Eastern slopes of the Western Ghats D. All of the above Explanation: These forests are found in the northeastern states along the foothills of Himalayas, eastern slopes of the Western Ghats and Odisha. 11 / 2011. Where are Tropical Thorn forests found in India? A. Areas with rainfall less than 50 cm B. Areas with rainfall between 70-200 cm C. Mountainous areas D. None of the above Explanation: Tropical thorn forests occur in the areas which receive rainfall less than 50 cm. 12 / 2012. What is the annual precipitation required for Tropical Evergreen forests? A. Over 200 cm B. Less than 50 cm C. 70-200 cm D. None of the above Explanation: They are found in warm and humid areas with an annual precipitation of over 200 cm and mean annual temperature above 22°C. 13 / 2013. Which of the following is NOT a type of forest found in India? A. Tropical Thorn forests B. Tropical Evergreen and Semi-Evergreen forests C. Temperate Deciduous forests D. Montane forests Explanation: The types of forests found in India are Tropical Evergreen and Semi-Evergreen forests, Tropical Deciduous forests, Tropical Thorn forests, Montane forests, and Littoral and Swamp forests. 14 / 2014. Which of the following is NOT a characteristic of Tropical Thorn forests? A. Plants remain leafless for most of the year B. None of the above C. Tussocky grass grows up to a height of 2 m D. Dense and lush vegetation Explanation: In these forests, plants remain leafless for most part of the year and give an expression of scrub vegetation. 15 / 2015. Which of the following is a common tree species in Dry Deciduous forests? A. Sal B. Tendu C. None of the above D. Teak Explanation: Tendu, palas, amaltas, bel, khair, axlewood, etc. are the common trees of these forests. 16 / 2016. What type of vegetation is found at altitudes of 3,000-4,000 m in the Himalayas? A. Tropical deciduous forests B. Temperate grasslands C. None of the above D. Silver firs, junipers, pines, birch and rhododendrons Explanation: Silver firs, junipers, pines, birch and rhododendrons, etc. occur between 3,000-4,000 m. 17 / 2017. Which of the following is a highly valued endemic species in the western Himalayas? A. Deodar B. None of the above C. Chir Pine D. Spruce Explanation: Deodar, a highly valued endemic species grows mainly in the western part of the Himalayan range. 18 / 2018. What type of vegetation is found in the foothills of the Himalayas? A. Evergreen forests B. Thorn forests C. None of the above D. Deciduous forests Explanation: Deciduous forests are found in the foothills of the Himalayas. 19 / 2019. Where are Semi-Evergreen forests found? A. Less rainy parts of the Western Ghats, hills of the northeastern region, and the Andaman and Nicobar Islands B. Plains of Uttar Pradesh and Bihar C. None of the above D. Areas with an annual precipitation of over 200 cm Explanation: The semi evergreen forests are found in the less rainy parts of these regions. 20 / 2020. What is the annual rainfall range for Tropical Deciduous forests? A. Less than 50 cm B. 70-200 cm C. None of the above D. Over 200 cm Explanation: They spread over regions which receive rainfall between 70-200 cm. 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