Optionals IAS Mains Geography: Questions 430 - 443 of 1537

Dependency Ratio

• It is a ratio number of dependents (population below 14 and above 64) to the population (between 15 and 65 age) which is working population.

• Economic boom occurs when there is growing number of working population relative to the number of dependents which is known as demographic dividend.
• …

Malnutrition in India

• Malnutrition or malnourishment is a condition that arises from eating a diet in which nutrients are either not enough or are too much such that the diet causes health problems. Nutrients may involve calories, protein, carbohydrates, vitamins or mineral under nutrition is not enough mineral and too much nutrition is overnutritio…

IPCC and 5^th Climate Assessment Report

• IPCC is an intergovernmental agency which periodically surveys and provides scientific findings on climate change & provides assessment reports with possible solutions to help governments take actions.

IPCC Released Its 5^th Assessment Report in 2014

• Global warming is a result of in…

Indian Railways and Indian Economy

Indian Railways which started with line between Mumbai & Thane, has expanded rapidly across the country having a great influence on Indian Economy.

Connecting Cities/Town

Almost every major city or town across country is connected with railway, which enable movement of people from one place to another, thus bringing …

Christaller՚S Central Place Theory

Aim is to explain growth of various urban places and the hierarchy observed.

Assumptions

• Isotropic surface.
• Uniform utility for both seller and purchases.
• Assumption of people to be economic and rational while making choice.
• There is a threshold for every service offered.
• Similarly there is a huge range for various good.

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