Bioinvasion of Foreign and Genetically Engineered Species
An incident of invasion by a living species into entirely new habitat thereby threatening the existence of native species is called as bioinvasion or Biological Invasion.
An incident of invasion by a living species into entirely new habitat thereby threatening the existence of native species is called as bioinvasion or Biological Invasion.
The engineer couple of Chandigarh, Punjab has established a biogas plant in Barsana. From this plant about 300 unit electricity is generated per day. It is through this electricity that fourteen tube wells are run in the Goshalas.
In early society, girls were restricted from play. They were restricted inside homes. This was something to do with our social conditions and traditions. But, girls are being given more rights today than they had earlier.
Onion is a bulb. It is a vegetable which is most widely cultivated species. Its genus is Allium. This genus…
Dams have started drying in Ranchi, the capital of Jharkhand state of India.
Modern development has caused a number of environmental problems at local, regional, national and international levels. Global Climate Change, depletion of ozone layer, increasing inequality, reduction in the means of livelihood for poor, scarcity of food, increasing number of disasters, extinction of species, falling underground water table etc. are some of the major environmental problems created by modern unsustainable development. These problems are challenging the existence of human race on this planet.
We may know that there are two types of disasters: Natural and Manmade or Human Induced Disasters. Disasters that occur…
Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
Mixing of different solid, liquid or gaseous substances and microorganisms into water, so as to alter its natural qualities is called as water pollution. According to the National Water Commission (1973), water gets polluted if it has not been of sufficiently high quality to be suitable for the highest uses people wish to make of it at present or in future.
Sankranti or Solstice means: moving from one place to the other or meeting with another. When sun enters from one rashi o the other rashi, it is called as Sankranti.
There are four basic factors that cause population change in a country – Natality or the birth rate, Mortality or…








