Chapter- 1 : The Dynamic Earth Section- B: Attempt any EIGHT of the following questions:- (2 Marks each.) 1. Write a short note on core of the Earth. 2. Distinguish between continental crust and oceanic crust (2 points). 3. What is lithosphere? 4. What is asthenosphere? 5. Enlist two evidences that support continental drift theory. 6. Explain divergent plate boundaries. 7. Describe convergent plate boundaries. 8. What are Transform fault boundaries? 9. How are fold mountains formed? Give an example. 10. Himalayas & Sahayadris are two different types of mountains. Give reasons.
Section- C: Attempt any EIGHT of the following questions:- (3 Marks each) 1. What are plates? Explain convergent plate boundaries. 2. Describe the term ‘plates’. Explain Transform fault boundaries giving an example. 3. What is a plate? Explain divergent plate boundaries. 4. Enumerate the evidences used in support of continental drift hypothesis. 5. Name and give examples of different classes of plate boundaries. 6. Describe divergent plate boundaries with a suitable example. 7. Write a note on transform fault boundaries giving an example. 8. Explain the formation of volcanic mountains. Give an example. 9. Name and give examples of any three types of mountains. 10. What are fault-block mountains? Give a suitable example.
Chapter -2 Petrology Section- A: Q1.Select and write the correct answer :- (1 Mark each) 1. Granite and rhyolite have the same ———- a) texture. b) cooling history. c) composition. d) structural deformation.
2. Rocks rich in mafic minerals are called ———- a) Leucocratic. b) Melanocratic. c) Mesocratic. d) Hyper-melanocratic.
3. Essentially all sedimentary deposits show evidence of———- a) fossils. b) stratification. c) ripple marks. d) mud cracks.
4. The rock formed by thermal metamorphism of Sandstone is———- a) Slate b) Quartzite c) Marble d) Gneiss.
5. a) Examples of discordant igneous bodies are sill and lopolith . b) Examples of discordant igneous bodies are sill and batholith c) Examples of discordant igneous bodies are batholith and dyke. d) Examples of discordant igneous bodies are lopolith and dyke.
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