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Question of the Day (17-Mar-20)

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Fill in the blanks in the passage with the most appropriate set of words from the options for each blank.

At the ecosystem and biosphere levels, there is a continual recycling of all these elements, which alternate between the mineral and organic states.While there is a slight _______ of geothermal energy, the bulk of the functioning of the ecosystem is based on the input of solar energy. Plants and photosynthetic microorganisms convert light into chemical energy by the process of photosynthesis, which creates glucose and releases free oxygen. Glucose thus becomes the secondary energy source which ________ the ecosystem. Some of this glucose is used directly by other organisms for energy. Cellular respiration is the process by which organisms break the glucose back down into its constituents, water and carbon dioxide, thus ________ the stored energy the sun had given to the plants. The proportion of photosynthetic activity of plants and other photosynthesizers to the respiration of other organisms determines the specific composition of the Earth’s atmosphere, particularly its oxygen level. Global air currents mix the atmosphere and maintain nearly the same ________ of elements in areas of intense biological activity and areas of slight biological activity.
OPTIONS
 
 1)increase,regulates, resurrecting, quantity
 2)decrease, regulates, resurrecting, balance
 3)input,drives, regaining, balance
 4)increase, forms, resurrecting, residue
 5)input, forms, regaining, quantity

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