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VIBGYOR HIGH First Preliminary Examination 2020-2021 GEOGRAPHY Grade: X Max. Marks : 80 Date : 01/12/2020 Time Allowed : 2 hour INSTRUCTIONS: Answers to this paper must be written on the paper separately. You will not be allowed to write during the first 15 minutes. This time is to be spent in reading the question paper. The time given at the head of this paper is the time allowed for writing the answers. The intended marks for the questions or parts of questions are given alongside the questions. Attempt seven questions in all. Part I is compulsory. All questions from Part I are to be attempted. A total of five questions are to be attempted from Part II. Map must be attached with the answer booklet. Note: In all Map work, by a wise use of arrows to indicate positions of cities and other insertions that you make, you will be able to avoid overcrowding parts of the map. All sub-sections of each question must be answered in the correct order. _________________________________________________________________________ 1 Part I (30 Marks) (Attempt all the questions) Question 1 Study the survey map of India sheet No. 45D/10 (2011) and answer the following questions: a) Explain what the following signify: i) Stony Waste ii) 266 in grid square 1212 [2] b) What is a Fireline ? State its importance. [2] c) Identify the brown line in grid square 0614. State its value. [2] d) With reference to settlement Revdar answer the following questions: i) Identify its settlement pattern as compared to that in grid square [2] 0613. ii) Any two means of communication for the settlement. [2] iii) State its direction from Marol as well as from Serua. [2] e) What is the social significance of settlement Marol? [2] f) Calculate the distance as the crow flies between the isolated hut in 0311 [2] and the temple in Asav. g) Name the two occupations that are exclusive to the people of Serua. [2] h) What does the black line between northings 09 and 10 signify? State its [2] value. Question 2 Mark and label the following on the given outline map of India: a) Mark and label the Indian Standard Meridian. b) Mark and label the Aravalli Range . c) Mark and label Kolkata . d) Mark and label the Coromandel Coast. e) Shade a state having high density of population in the South. f) Mark and label the oil field Mumbai High . g) Mark and label River Kaveri . h) Mark and label Mount Godwin Austin . i) Mark and label the Thar Desert . J) Mark and label Chota Nagpur Plateau . 2 [10] PART II (50 Marks) (Attempt any five questions) Question 3 a) Explain the following terms: b) i) Break of monsoon ii) Mango Showers [2] Answer the questions in brief: i) [2] Name two states which receive very little rainfall during the South West Monsoon Season. ii) c) How do the Himalayas prevent India from becoming a cold desert? Give a geographical reason for each of the following: [3] i) Patna receives heavier rainfall as compared to Delhi. ii) During summers, Kochi is hotter than Mumbai, though both lie on the west coast of India. iii) Tamil Nadu receives more rainfall in winters as compared to summers. d) Study the climatic data given below and answer the questions that follow: Station A B Month Temp C Rainfall (cm) Temp C Rainfall (cm) [3] Jan Feb Mar Apr May June July Aug Sept Oct Nov Dec 09.7 10.1 22.1 31.8 37.2 39.1 37.3 33.4 28 26.7 16.1 10.6 2.1 2.3 1.0 0.9 1.5 5.6 18.3 18.9 15.1 19.1 20.8 23.5 29.3 32 32.8 33.1 32.1 30.5 34.3 24.7 22.1 15.3 10.1 0.0 0.0 0.1 0.3 0.1 1.2 9.5 0.6 0.3 20.1 16.8 19.0 i) Calculate the annual rainfall in Station A. ii) Taking into account the temperature variation, which station lies on the coast and which one is away from the coast? iii) Name the winds that bring most of the rainfall to the station on the coast. Give that station a name. Question 4 a) State one point of similarity and one point of difference between the Red [2] and the Laterite soil. b) Differentiate between Sheet erosion and Gully erosion. 3 1.8 [2] c) d) With reference to Black Soil answer the following: i) Why is it also known as Cotton Soil ? ii) Black soil has self ploughing ability. Explain. iii) State why it does not get leached. Give a geographical reason for each of the following: i) Coastal alluvium is less fertile than deltaic alluvium. ii) Alluvial soil is also called Riverine Soil. iii) Soil on the west slopes of the Western Ghats is prone to wind [3] [3] erosion. Question 5 a) Mention any two conservation measures that need to be adopted in order [2] to arrest deforestation in India. b) What are the climatic conditions required for Tropical Desert Forests? [2] c) With reference to Tropical Evergreen Forests answer the following [3] questions: d) i) Vegetation here is full of trees, shrubs and creepers. Why? ii) These forests have not been fully exploited. Explain. iii) Name any two trees found in these forests. Give reason for each of the following: i) Tropical Desert Forests have stunted growth. ii) Tropical Deciduous Forests are commercially the most exploited [3] forests. iii) Littoral Forests are also called Tidal Forests. Question 6 a) What is rain water harvesting? Why is it essential in a country like India? [2] b) Name the most efficient modern means of irrigation. What makes it most [2] efficient? c) d) Give reason for the following: [3] i) In India different means of irrigation are adopted. ii) Well irrigation is not preferred in peninsular India. iii) Deepening of the river bed helps prevent soil erosion. There are various recharge aquifers which ensure that the rainwater percolates in the ground instead of being wasted as runoff. 4 Name any three such aquifers. [3] What is the difference between the Conventional Sources of Energy and [2] Question 7 a) Non-Conventional Sources of Energy. b) Oil refineries are located close to the oil fields or coasts. Explain. [2] c) Give a reason for the following: [3] d) i) Magnetite is so called. ii) Anthracite is used for domestic purposes. iii) Nuclear energy reduces the use of fossil fuels. How is Manganese useful for the following: i) Iron and Steel Industry ii) Human beings iii) Plants [3] Question 8 a) Give reasons for the following: [2] i) Pulses are important for the vegetarian population of India. ii) Wheat is not grown in West Bengal and extreme south in India. b) What is meant by Transplantation ? State its advantage. [2] c) State the climatic conditions required for the growth of cotton. [3] d) With reference to tea plantations, answer the following: [3] i) Why is it preferable to employ women for tea-picking ii) Name any two varieties of tea grown in India. iii) What kind of climatic features are good for the rapid development of young leaves? Question 9 a) Why are Small Scale Industries important in India? [2] b) What advantages do the Mini Steel Plants have over Integrated Steel [2] Plants? c) Give a reason for the following: i) [3] Uttar Pradesh has been relegated to the second position as a sugar producing state. ii) The demand for petrochemical products is increasing. iii) India produces very little cane sugar despite it being one of the 5 largest producers of sugar in the world. d) Tata Iron and Steel Company is one of the largest manufacturing plants in Asia. Explain the factors responsible for this with reference to its: i) Location ii) Raw material iii) Power supply [3] Question 10 a) What is the significance of an efficient transportation system? [2] b) What advantages do rivers in North India have over those in South India [2] with reference to inland water transport? c) Write two advantages and one disadvantage of Roadways. [3] d) Give a geographical reason: [3] i) Airways play a very important role during natural calamities. ii) Railways are not very common in North East India. iii) Expressways provide high speed travel between the linked cities. Question 11 a) b) Explain the following terms with appropriate examples. i) Biodegradable Waste ii) Non-biodegradable Waste Mention any two disadvantages of Open Dumping way of disposing [2] [2] waste. c) Name the following: [3] i) The three R s of waste management. ii) The method wherein the waste is dumped daily and covered with earth to prevent insects or rodents from entering. iii) d) An aerobic way of decomposing waste. Express your opinion on the following: i) Segregation of waste is important. ii) We should avoid using polythene bags. iii) Each individual needs to participate for a cleaner and a greener environment. ***** 6 [3] Name: Roll No. Question 2 7 Grade/Div: X
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