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General Knowledge for Competitive Exams

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Why is it believed that the River Ganga is self-cleaning?

Mar 9, 2018
The River Ganga is a major river in the Indian subcontinent. It begins its journey from the Gangotri Glacier of the central Himalayas and drains into the Bay of Bengal through its vast delta in the Sunderbans. It is a sacred river in Hinduism and worshipped as the goddess Ganga. In this article, we discussed the self-cleaning and healing properties of Ganga water and explained the reason for its Self-Cleaning and healing properties.

Minamata Convention on Mercury: Objectives and Significance

Feb 28, 2018
The Minamata Convention on Mercury is a multilateral environmental agreement that addresses specific human activities which are contributing to widespread mercury pollution. In this article, we have given the root cause of the convention, the objectives and significance of the Minamata Convention on Mercury.

Thermal Pollution: Source, its harmful effects and preventive measures

Feb 22, 2018
Thermal pollution is the degradation of water quality by any process that changes ambient water temperature. A common cause of thermal pollution is the use of water as a coolant by power plants and industrial manufacturers.

Basic Concepts related to the Environment and Ecology

Feb 20, 2018
Environment is the sum total of all conditions and influences that affect the development and life of all organisms on earth. Ecology is the branch of science that deals with the study of interactions between living organisms and their physical environment. Both are closely interrelated and they have continuous interaction so that any change in the environment has an effect on the living organisms and vice-versa.

How biochemical cycles stabilises the biosphere?

Feb 15, 2018
Biochemical Cycles are accompanied by two types, i.e. Sedimentary Cycles and gaseous cycles. In this write-up, we have explained what are the impacts of different cycles on sustaining the life process on earth.

Modern Agriculture and its impact on the environment

Feb 13, 2018
The agriculture is an important source of livelihood because it is the process of producing food, feed, fibre and many other desired products by the cultivation of certain plants and the raising of domesticated animals (livestock). Here, we are giving a brief note on modern agriculture and its impact on the environment, which is very useful for competitive examinations like UPSC, SSC and State Services.

Traditional Agriculture and its impact on the environment

Feb 8, 2018
Human has sacrificed their natural resources for economic development from the dawn of Human civilisation to the modern world. In the evolutionary period of agriculture, people used the practice of slash and burn cultivation or shifting cultivation, which is still prevalent in the tribal region of northeast India. Here, we are giving a brief note on traditional agriculture and its impact on the environment, which is very useful for competitive examinations like UPSC, SSC and State Services.

What makes Earth suitable for life?

Feb 8, 2018
When we heard the term Earth, the first things came up in our mind that a terrestrial planet where all forms of life: from basic living micro-organisms to highly sophisticated and intelligent human beings exists. In this write-up, we discussed the factors that are responsible for the existing life on the Earth.

How has climate change affected the human life?

Feb 6, 2018
Climate change has a great impact on the Earth's geological, biological and ecological systems. These changes have led to the emergence of environmental hazards to human health, such as extreme weather, ozone depletion, increased danger of Wildland fires, loss of biodiversity, stresses to food-producing systems and the global spread of infectious diseases. Here, we are giving a brief note on “How has climate change affected the human life”, which is very useful for the preparation of competitive examinations like UPSC-prelims, SSC, State Services, NDA, CDS, and Railways etc.

What is Eutrophication?

Jan 29, 2018
Nutrients are necessary for the survival of all living things. The phrase like ‘excess of anything is bad’ is very much justified here when the aquatic system has an overabundance of nutrients. Here, we are giving the concept, types, causes and preventive measures of Eutrophication for the aspirants who are preparing for the different competitive examinations.

What is Polar amplification?

Jan 16, 2018
Climate change due to global warming is amplified in the Polar region on the basis of past warm and glacial periods as well as historical observations and climate model experiment. Here, we are giving the concept, basis of Polar region amplification for the general awareness.

What is Global Dimming?

Jan 15, 2018
Climate change is a long-term shift in weather conditions identified by changes in temperature, precipitation, winds, and other indicators. The Climate is regulated by the balance between incoming and outgoing solar energy, which determines the Earth's energy balance. Here, we are giving the concept of “Global dimming how is it caused and what are the effects of global dimming?” which is very useful for the preparation of competitive examinations like UPSC-prelims, SSC, State Services, NDA, CDS, and Railways etc.

Do you know how the degree of danger to the threatened species is categorised

Jan 12, 2018
The International Union of Conservation of Nature and Natural Resources (IUCN) have classified the threatened species of plants and animals into three categories for the purpose of their conservation. According to the degree of danger to the threatened species are classified into three categories- endangered, vulnerable or rare species.

List of International Organizations and Conventions related to Biodiversity

Jan 11, 2018
Biodiversity is an inherently international concern. Species distributions and the ecosystem services that they support are not defined by national boundaries. Here, we are giving the list of International Organizations and Conventions related to Biodiversity for general awareness.

What is Water footprint?

Jan 11, 2018
Water is one of the most important substances on the Earth for the sustenance of life. It has been used since antiquity as a symbol by which to express devotion and purity. Today water resources have been extensively exploited. Our natural heritage (rivers, seas and oceans) has been exploited, mistreated and contaminated due to rapid population, industrialisation, urbanisation, increasing standards of living and various other human activities.

What is Alkaline Soil and How Gypsum helps in the treatment of Alkaline Soil?

Jan 10, 2018
Soil is a composed of organic and inorganic matter, minerals, gases, liquids, and organisms that together support life. It varies from place to place due to its structure and composition. Here we are given a brief note on the concept of Alkaline Soil and how Gypsum helps in the treatment of Alkaline Soil which is very useful for the preparation of competitive examinations like UPSC-prelims, SSC, State Services, NDA, CDS, and Railways etc.

Ocean Acidification: Causes and its effects on Marine Ecosystem

Jan 8, 2018
The Earth is a watery planet because about 71 percent of the Earth's surface is water-covered, and the oceans hold about 96.5 percent of all Earth's water. Our ocean acts like carbon sink that absorb about a quarter of carbon dioxide that human produces that causes changes in ocean basic chemistry. Here, we are giving brief note on the Ocean Acidification, Causes and its effects on Marine Ecosystem for general awareness.

Coral Bleaching: Concept, Causes and factors responsible for coral bleaching

Jan 8, 2018
When corals are stressed by changes in conditions such as temperature, light, or nutrients, they expel the symbiotic algae living in their tissues, causing them to turn completely white. Warmer water temperatures can result in coral bleaching. When water is too warm, corals will expel the algae (zooxanthellae) living in their tissues, causing the coral to turn completely white. This is called coral bleaching. When a coral bleaches, it is not dead. Corals can survive a bleaching event, but they are under more stress and are subject to mortality.

What is Green Bond Market and how it is important for India?

Jan 4, 2018
Green Bond Market is contemporary trending instrument for helping financial resources for funding greener projects. It is basically issued to mobilize funds for Green energy projects. Here, we are giving the meaning, concept of Green Bond Market, how it is important for India and how is different from general bond.

भारत में संरक्षित समुद्री क्षेत्रों की सूची

Jan 4, 2018
संरक्षित समुद्री क्षेत्र, समुन्द्र का वह क्षेत्र होता है जहां शोषणकारी मानव गतिविधियों और हस्तक्षेप सख्ती से राष्ट्रीय उद्यानों, अभयारण्यों और जीवमंडल रिजर्व की तरह नियंत्रित की जाती है। स्थानीय, राज्य, क्षेत्रीय, देशी, क्षेत्रीय, या राष्ट्रीय अधिकारियों द्वारा प्राकृतिक या ऐतिहासिक समुद्री संसाधनों के लिए इन स्थानों को विशेष सुरक्षा दी जाती है। भारत में वर्तमान में पांच समुद्री संरक्षित क्षेत्र हैं। हम यहाँ सामान्य जागरूकता के लिए भारत में समुद्री संरक्षित क्षेत्रों की सूची दे रहे हैं।

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