Q1. Identify the massive volcanic eruptions of Cretaceous to Eocene times from western India (a) Panjal Traps (b) Sylhette Traps (c) Deccan Traps (d) Nidar volcanic
Q2. What type of rocks result from volcanic eruptions? (a) Granites (b) Syenites (c) Basalts (d) Sandstone
Q 3. Ore deposits of aluminium are known as: (a) Bauxite deposits (b) Bastite deposits (c) Barite deposits (d) Emery deposits
Q 4. Which of the following minerals is known as the heavy spar (a) Bauxite (b) Barite (c) Garnet (d) Diamond
Q 5. Boundaries where plates move away from each other are known as (a) Convergent boundaries (b) Transcurrent boundaries (c) Transform boundaries (d) Divergent boundaries
Q 6. Identify the most common igneous rock of the ocean floor (a) Granite (b) Basalt (c) Limestone (d) Peridotite
Q7. Orthoclase is: (a) Softer than quartz and harder than apatite (b) Softer than fluorite and harder than apatite (c) Softer than quartz and harder than topaz (d) Harder than topaz and softer than quartz
Q 8. What type of metamorphism is involved in the formation of rocks at the contact with a high temperature magmatic body? (a) Cataclastic metamorphism (b) Dynamothermal metamorphism (c) Contact/thermal metamorphism (d) Metasomatism
Q 9. Ruby is type of (a) Garnet (b) Feldspar (c) Pyroxene (d) Corundum
Q.10. A Mid-Oceanic Ridge present in the Bay of Bengal is known as (a) 90o East Ridge (b) 45o East Ridge (c) Bay of Bengal Ridge (d) East Indian Ocean Ridge
Q 11. Maximum ozone is found in which region of the Earth’s atmosphere? (a) Troposphere (b) Stratosphere (c) Thermosphere (d) Mesosphere
Q 12. How does air circulate around a surface high pressure area in southern hemisphere? (a) Counter clockwise (b) Clockwise spiral. (c) Linear (d) Clockwise linear
Q 13. Which type of aresols cause heating? (a) Sulphate rich aerosols (b) Black carbon poor aerosols (c) Black carbon rich aerosols (d) All of the above
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