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VIBGYOR HIGH First Term Examination AY 2020-2021 GEOGRAPHY Grade: IX Max. Marks : 80 Date : 22/09/2020 /2020 Time Allowed: 2 Hours Hour ______________________________________________________________________ INSTRUCTIONS: The intended marks for the questions or parts of questions are given alongside the questions. Students must tie the map/graph sheet behind the answer script using string. Attempt seven questions in all. Part-1 is compulsory. Part-2 2 Attempt any 5 questions. Total Number of Pages is 5. ______________________________________________________________________ ____________________________________________________________________________ Part I (30 marks) Attempt all questions Q1 Answer the following. [20] i. Define the term Geographic Grid . [2] ii. Write the full form of GMT and explain briefly. [2] iii. What is meant by Equinox? [2] iv. Explain the term Magma Chamber ? [2] v. What do you mean by Lithification? [2] vi. What is Exfoliation? [2] vii. What do you understand by the term Perigee ? [2] viii. What is Ozone Layer? [2] 1 ix. Define the term Global Warming . [2] x. Explain the term Heat Budget . [2] Q2 On the given outline world map, mark and label the following:a. River Nile b. Gulf of Mexico c. Great Dividing Range d. Hudson Bay e. River Amazon f. Andes Mountains g. Mongolian Plateau h. Brazilian Highlands i. North Sea j. Atlas Mountains [10] Part II (50 Marks) Attempt any five questions Q3 a. Which line of longitude is used to fix the world standard time? State its value in degrees. [2] b. What is meant by IDL? State its importance. [2] c. Write three characteristics of lines of latitude? [3] d. Explain the heat zones of the earth? [3] a. State two characteristics of revolution. [2] b. What is the effect of Inclined axis on the duration of day and night? [2] c. Give any three points of differences between Solstice and Equinox. [3] Q4 2 d. Briefly describe the position of the earth on June 21. [3] a. Where is asthenosphere found? In which form does it exist? [2] b. State any two characteristics of Core. [2] c. Write a short note on crust. [3] d. Briefly describe the chemical composition of the earth. (Any three points) [3] a. What are metamorphic rocks? Give two examples. [2] b. Name any four types of Intrusive rocks. [2] c. Distinguish between rocks and minerals. (Any three points). [3] d. State any three characteristics of igneous rocks. [3] a. Describe briefly biological weathering? [2] b. What is oxidation? [2] c. Give a technical term for each of the following. [3] Q5 Q6 Q7 1. Internal forces operating in the interior of the earth. 2. Peeling off of the outer Layer of Rock through Contraction and Expansion. 3. Expansion of Minerals in rocks on coming into Contact with Rain water. d. Write any three chief characteristics of weathering. [3] a. What is meant by Insolation? [2] b. What is Conduction? [2] c. Give Reason. [2] Q8 3 1. Land is heated and cooled faster than the Sea. 2. . Why is it cooler at the top of a mountain than on the plains [1] d. How does Latitude affect the temperature of a Place? [3] a. Mention any two characteristics of Stratosphere. [2] b. Mention any two characteristics of Ionosphere. [2] c. Briefly describe any three impacts of global warming. [3] d. State the three functions of atmosphere. [3] a. What are Tides? Name one factor which causes Tides. [2] Q9 Q10 b. Give Reason. There are two high tides and two low tides in a day. [2] c. What are Spring Tides? [3] d. Explain three causes of Ocean Currents. [3] a. What are the effects of Ocean Currents on Marine Organisms? [2] b. Explain two Categories of Ocean Currents based on temperature.. [2] Q11 (i)What are Waves? c. (ii)Name any two ways in which movement of Ocean Water takes place. [3] (iii) What is the time interval between tides? d. Explain how Ocean Currents affects the temperature of a place. 4 [3] **** 5
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