Tag Archives: NCERT Solution for Class 7 Geography Chapter

Question: Distinguish between absolute humidity and relative humidity. In what units are they expressed? Answer: Absolute Humidity: This is the amount of water vapour present in a unit volume of air, and is expressed in kilograms per cubic meter. Relative Humidity: This is a measure of how dry or moist …

Question: Distinguish between Weather and climate. Answer: Weather and Climate: Question: Distinguish between Heat and Temperature, Convection and Advection and Latitude and Altitude Answer: Heat and Temperature Convection and Advection Latitude and Altitude

Question: Describe the general distribution of salinity in oceans. Answer: The distribution of salinity in oceans is as follows: Ocean water is saline due to the presence of a large amount of dissolved salts, mostly sodium chloride or common salt. The amount of salinity varies from one part of the …

Question: Define “Lithospheric Plates”. Answer: According to the theory, the lithosphere is broken up into number of pieces called tectonic or lithospheric plates. It consists of crust and outer parts of upper mantle. There are six major and 20 minor plates, all of which floats independently. Question: Distinguish between endogenetic and …

Question: Distinguish between rocks and minerals. Answer: Difference is as follows: Question: Distinguish between intrusive and extrusive rocks. Answer: Difference is as follows: Question: Name the main types of rocks with three examples of each. Answer: There are three types of rocks: Igneous rocks: Granite, Dolerite, Basalt. Metamorphic rocks: Marble, Slate, Quartzite. Sedimentary rocks: Sandstone, …

Question: Explain the following terms- Environment, Lithosphere, Biosphere, Ecosystem, Pollution and Urbanization. Answer: Definitions are as follows: Environment – It refers to all external conditions in which an organism lives. It comes from the french word ‘environ’ which means to surround. It is used to describe everything, such as places, …