Prelims Notes

Composition, Structure and Stratification of the atmosphere

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  An atmosphere is a layer of gases surrounding a planet or other material body, that is held in place by the gravity of that body. Many of the planets in this solar system have atmospheres, but none that we know of have an atmosphere quite like ours – one that can support life. The … Read more Composition, Structure and Stratification of the atmosphere

Important Formulas – Mixtures and Alligations

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  Alligation It is the rule which enables us to find the ratio in which two or more ingredients at the given price must be mixed to produce a mixture of a specified price. Mean Price Mean price is the cost price of a unit quantity of the mixture   Suppose a container contains x … Read more Important Formulas – Mixtures and Alligations

Impact of Liberalisation

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  The leading economists of the country differ in their opinion about the socioeconomic and ecological consequences of the policy of liberalisation.Liberalization has led to several positive and negative effects on Indian economy and society. Some of the consequences of liberalisation have been briefly described here: 1. Increase in the Direct Foreign Investment: The policy of … Read more Impact of Liberalisation

SIMPLIFICATION

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Simplification Simplification is one of the most important part of Quantitative Aptitude section of any competitive exam. Today I am sharing all the techniques to solve Simplification questions quickly. Rules of Simplification V → Vinculum B → Remove Brackets – in the order ( ) , { }, [ ] O → Of D → Division M → Multiplication A … Read more SIMPLIFICATION

DMPQ: In recent years, the national capital Delhi and adjoining areas have experienced alarmingly poor air quality starting winter. What are the possible solutions to address this situation? ( envt.)

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The solution can be divided under two heads one short term and other medium and long term solutions. SHORT term solutions: Strict enforcement through heavy penalties on agriculture waste burning using based tools detecting fires Incentive to farmers for not buring crop residue. Coordination across states and NCR.   Long term solutions: Implement congestion pricing … Read more DMPQ: In recent years, the national capital Delhi and adjoining areas have experienced alarmingly poor air quality starting winter. What are the possible solutions to address this situation? ( envt.)

Urban spheres of influence and rural urban fringe

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Urban spheres of influence and rural urban fringe Urban spheres of influence Urban spheres of influence reflect centre-to-hinterland relationship, compared with the non-central region, the centre assumes more complex economic functions, and provides more economic activities. Famous theoretical contributions to this research field are the Central Place Theory (Christaller, 1933), the extension to the Central … Read more Urban spheres of influence and rural urban fringe

BIOTIC INTERACTION

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  The interaction between the organisms is fundamental for its survival and functioning of ecosystem as a whole. Type of Biotic Interaction Mutualism: both species benefit. Example: in pollination mutualisms, the pollinator gets food (pollen, nectar), and the plant has its pollen transferred to other flowers for cross-fertilization (reproduction).   Commensalism: one species benefits, the … Read more BIOTIC INTERACTION