IGNOU BGGCT-131 QUESTION PAPER WITH SOLUTION FOR EXAM PREPARATION by Team Guffo · Published 2020 · Updated 2020 1. Lithosphere is made up of crust 2. Characteristics of sedimentary rocks are (i) secondary formation and they have layers of beds separated by bedding plane; (ii) pore space and is lighter than the igneous rocks; (iii) source of fossil fuel; and (iv) do not have any crystallise structure. 3. Classifications of Galaxies – Spiral, Barred Spiral, Elliptical and Irregular galaxies 4. Three layers of Earth’s interior i) Lithosphere ii) Pyrosphere iii) Barysphere 5. Name of The outer planets Jupiter, Saturn, Uranus, Neptune and Pluto 6. Volcanoes of different types of eruptions a) Hawaian; b) Strombolian; c) Vulcanian; d) Vesuvian; and e) Pelean 7. Three major well known identified rock groups are Igneous, Sedimentary and Metamorphic rocks. 8. Four different types of plate convergence – 1) Convergence of two oceanic plates, 2) Convergence of oceanic and continental plates, 3) Convergence of two continental plates and 4) Continent- Arc collision 9. Average thickness of lithosphere is 100 kilometres. 10. Diastrophic forces can be classified into two types (a) epeirogenic movements and (b) orogenic movements. 11. Name of Inner or terrestrial planets Mercury, Venus, Earth along with Mars and Asteroids 12. volcanoes are categorized into two principal classes central or explosive eruption fissure or quite eruption 13. Different Categories of Seismic Waves a) P Waves (b) S Waves (c) Love Waves (d) Rayleigh Waves. 14. Three classes of mechanism of plate movements are: i) Convection Current ii) Slab Pull iii) Ridge Push 15. Types of glaciers – valley glaciers (mountain or Alpine glaciers) and continental glaciers 16. Earth as a geosphere that has four main components which are: 1. Lithosphere – Solid land mass 2. Atmosphere – Envelope of air 3. Hydrosphere – Body of water 4. Biosphere – All life on Earth 17. Various types of folds formed due to compressive forces: a) simple; b) asymmetrical; c) overturned; d) isoclinals; and e) recumbent. 18. Type of Biome and their Description Types Description 1 Tropical Rainforest – Characterised by dense forest and heavy rainfall 2 Savanna – Widespread grasslands in the tropics 3 Desert Biome – Plants, animals and soil of very dry regions 4 Temperate grassland – Mid-latitudinal grasslands 5 Temperate forest – Mid-latitudinal woodlands 6 Tundra – Cold, treeless regions in the arctic circle 7 Polar – Perpetually ice covered regions 8 Wetlands – Fresh or salt water logged area 9 Mountains – Elevated area 19. The major theories of mountain building are: Mountain Building Theory based on Continental Drift Theory of Wegener; Geosynclinal Orogen Theory of Kober; Convection Current Theory of Holmes; Mountain Building according to Plate Tectonics Theory. 20. Pacific Ocean is also known as Ring of Fire or Circum-Pacific Belt 21. Name of fossil fuels coal, oil and natural gas Loading … Related 1