World Geography General Knowledge Questions Q.1 The highest place on the Earth Ans . Everest Q.2 The circles which vertically cross the equator Ans . Longitudes Q.3 What is the total weight of the air in the atmosphere? Ans . 6×10 Tones Q.4 International space line passes through? Ans . 180 Greenwich Q.5 What are the different kinds of rocks found on the Earth? . Ans . Igneous rocks, Sedimentary rocks, Metamorphic rocks Q.6 The metal which form the core of Earth: Ans . Iron and Nickel Q.7 The innermost part of the Earth: . Ans . Molten core Q.8 What is the temperature at the center of the Earth? Ans . 4500 C Q.9 What is the pressure of the Earth’s atmosphere at sea level? Ans . The pressure varies with temperature. It is calculated to be 104561 kg per sq.cm (approximate) Q.10 What is the force of gravity of the Earth? . Ans . The force which attracts