MC 17 G 10 PART I (30 MARKS)

Transcription

1 PART I (30 MARKS) Attempt all questions from this Part Question 1. Study the extract of the Survey of India Map sheet No. 45D/10 and answer the following questions. (Easting - 14 to 24, Northing - 02 to 12) : (a) (i) Give the six figure grid reference of Triangulated height 1352 in the eastern part of the map. (ii) Identify the feature represented by the six figure grid reference (b) Give the meaning of :- (i) 6r in GS1903 (ii) Open Scrub in GS1502 [4] (iii) Broken black lines in GS1509 (iv) Black horizontal line in the map. (c) Compare the drainage pattern in GS1606 with that in GS1708. (d) What is contour interval? Which is the highest contour in the given map? (e) Identify the type of road that connects Bhunglawa ka goliya (GS1809) and [3] Devangan (GS1911). Calculate the length of this road in kilometers. (f) What do you understand by the term Motorable in dry season? What does it indicate about the type of rainfall experienced in this region? (g) What type of settlement do you observe at the foothills? (h) Identify the type of slope in GS2204. (i) Comment on the nature of well in GS1806. (j) Name the two perennial tanks that supply water to the settlement of Abu. (k) Give reasons to explain why there are no roads connecting the settlement of Abu with the settlements in the south western part of the map? Question 2. On an outline map of India provided to you, name and mark the following : [10] (a) The Red river. (b) An offshore oilfield in India. (c) An area of low population density above the Tropic of Cancer. (d) The port town of Kochi. (e) The mountain range responsible for the formation of the Thar Desert. (f) The River on which the Hirakud Dam is constructed. (g) The prevailing winds in India during the winter season. (h) The Standard meridian of India. (i) Mark with arrows to show winds responsible for rain in Konkan coast. (j) An area of laterite soil in South India. 90

2 PART II (50 MARKS) Attempt any five questions from this Part Question 3. (a) The Coromondel coast experience more rainy days than the Malabar coast. Explain giving reasons. (b) Define :- (i) Mango Showers (ii) Rain shadow area (c) Give reasons :- (i) Tropical cyclones originate in the Bay of Bengal during the month of October. (ii) Patna gets more rainfall than Varanasi. (d) Name the place in India which receives the heaviest rainfall. Also name the winds that bring rainfall to this place. (e) Mention two characteristic features of the South west monsoons. (f) Study the climatic data given below and answer the questions that follows :- Months Jan Feb Mar Apr May June Jul Aug Sep Oct Nov Dec Temp(ºC) Rainfall (cm) (i) Calculate the annual rainfall of the station. (ii) What is the annual range of temperature of the station? (iii) Name the winds that bring winter rainfall to this Station. Justify your answer. Question 4. (a) Distinguish between the type of soil found on the Western coastal plain and the summits of the Western Ghats. (b) How is Red soil formed? Mention two important characteristics of red soil. (c) Give reasons for the following : (i) Construction of dams and embankments can effectively reduce soil erosion. (ii) Cotton grows best in Black soil. (d) Give one word for :- (i) The local name for new alluvium. (ii) The process of soil formation. (e) Distinguish between the type of erosion that occurs in the Chambal valley and Western Rajasthan. Suggest one soil conservation method for each of them. (f) Mention two characteristics of leached soils which make them unfavorable for cultivation. Question 5. (a) Explain why there is a difference in the type of vegetation found on the western and eastern slopes of the Westren Ghats? 91

3 (b) Give reasons for the following :- [3] (i) Xerophytes have thorns or spines. (ii) Forests play a significant role in prevention and control of soil erosion. (iii) Monsoon forests are economically the most important forest type. (c) Define the following terms :- (i) Reafforestation (ii) Social-forestry (d) What kind of forests flourish in the Sunderban Delta? Mention two ways how the trees have in this area have adapted themselves to their environment. (e) Name the following :- (i) Soft white wood used to make toys. (ii) A programme involving people in forest conservation conducted every year during July and August. Question 6. (a) With reference to the most important means of irrigation in northern India, answer the following :- (i) Mention two factors that favor this method of irrigation. (ii) Mention two disadvantages of this means of irrigation. (b) Mention two main objectives of rainwater. Also mention two traditional ways by which it is practiced in the arid areas of Rajasthan. (c) Give reasons :- (i) Tank irrigation is more prevalent in the peninsular region. (ii) Inundation canals are gradually getting converted into perennial canals. (d) Distinguish between : Damodar Valley Corporation and Bhakra Nangal on the basis of :- (i) Name of the river on which they are located. (ii) Primary aim of the project. (e) Name the following :- (i) The type of irrigation where perforated pipes are used to provide water to the plants. (ii) The longest irrigation canal in India. (f) Mention two advantages of tube wells over surface wells. Question 7. (a) Mention one major difference between Gondwana and Tertiary coal fields giving an example of each. (b) Give reasons :- (i) Manganese is used in the manufacture of steel. (ii) Aluminium is used in aircraft and electrical industry. (c) What is lignite? Name one place in India where it is mined. (d) Mention two important uses of solar energy. (e) Name the ore of aluminium (f) With reference to petroleum answer the following :- (i) Name the oldest oilfield in India. (ii) Why are oil refineries located near the seacoasts? (iii) Name the specially designed platform for Mumbai High. 92

4 Question 8. (a) Explain the most economical method for propagation of sugarcane. Mention two disadvantages of this method. (b) Give reasons for the following :- [3] (i) Pruning is essential for tea bushes. (ii) Coffee beans are roasted. (iii) Transplantation is the best method for sowing rice. (c) Define the following :- (i) Withering (ii) Oilcake (d) What were the impacts of Green Revolution on Indian agriculture? (e) Observe the picture answer the questions that follow :- (i) Identify the process and the crop associated. (ii) Explain why this crop is extensively grown in West Bengal? Question 9. (a) Give reasons : Sugar industry is gradually migrating to south India. (b) Which city is known as the Cottonpolis of India? Mention three factors which favour the cotton textile industry in this city. (c) Name the following :- (i) A by-product of sugar industry used to make shoe polish. (ii) A synthetic fibre made from cellulose. (d) Mention two advantages of mini steel plants. (e) Iron and steel industry are concentrated in the Damodar Valley region. Explain. (f) Give reasons for the following :- (i) Petrochemical units are located near the ports. (ii) Bengaluru is known as the IT capital of India. Question 10. (a) With reference to the railways answer the following :- (i) Differentiate between broad gauge and meter gauge system. (ii) The density of railways in the north eastern regions of India is very less. Explain. 93

5 (b) (i) What are the limitations of inland waterways? (ii) How has golden quadrilateral benefitted us economically? (c) Mention one important function of each :- (i) Border Road Organization (ii) Pawan Hans Helicopter services (d) Give reason : Why is rail transport not well developed in hilly areas? (e) State two advantages of road transport. Question 11. (a) Agricultural waste if handled properly can be useful to man. Explain with examples. (b) What are the consequences of global warming? Explain how we as humans are also contributing to it? (c) Why are radioactive waste more hazardous than other wastes? (d) Explain the impact of waste accumulation on human health. (e) How do solid waste affect landscapes? 94