Monthly Archives: February 2008

Biodiversity: Definitions

Posted on February 14, 2008 by Rashid Faridi

The most straightforward definition is “variation of life at all levels of biological organization”. A second definition holds that biodiversity is a measure of the relative diversity among organisms present in different ecosystems. “Diversity” in this definition includes diversity within … Continue reading →

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Agrobiodiversity

Posted on February 14, 2008 by Rashid Faridi

Agrobiodiversity is a sub-set of general biodiversity including all cultivated varieties. Cultivated varieties can be broadly classified into “modern varieties” and “farmer’s or traditional varieties”. Modern varieties are the outcome of scientific breeding and are characterised by a high yield … Continue reading →

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India’s Road Network: Golden Quadrilateral Project

Posted on February 13, 2008 by Rashid Faridi

India has a 3313769-kilometer long road network. It consists of 200 kilometere of expressways; 65569 km of National Highways; 128000 km of State Highways; 470000 major km of rural roads. The National Highway constitutes less than 2 percent of the … Continue reading →

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Greenhouse Effect

Posted on February 13, 2008 by Rashid Faridi

The greenhouse effect is unquestionably real and helps to regulate the temperature of our planet. It is essential for life on Earth and is one of Earth’s natural processes. It is the result of heat absorption by certain gases in … Continue reading →