World Water Week 2020 – at Home
World Water Week Stockholm is celebrated every year from 23 to 28 Aug. every year. Due to pandemic covid-19 it is taking place from 24 to 28 Aug. this year with a theme- World Water Week at Home.
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Mahua and Its Importance
Mahaua or the Madhuca longifolia is indigenous to India. It is a good sized tree and it grows up to 20 meters in height.
Soil Pollution: Causes and Consequences
Mixing of different types of substances in soil- which affects its natural qualities, and reduces its fertility- is called as soil pollution. Some environmentalists define soil pollution as – build-up of toxic chemical compounds, salts, pathogens or radioactive materials in soil that can affect plant and animal life adversely, is called as soil pollution.
Biodiversity, Its Concept, Values, Loss, and Causes of Loss
An association of all the plants at a particular place is called a Plant Community and the association of all the animals at the same place is called an Animal Community. Both the plant and animal communities inhabit a particular place living completely merged and interacting among them. Members of a community not only interact with the members of other communities, they interact with the members of their community and with the physical environment around them, as well.
Peperomia pellucida- the medicinal herb
Peperomia pellucida is commonly known as shining bush plant and Pepper elder. It commonly grows in the wild in moist shady places. In Jharkhand it is found growing during rainy season at the banks of streams or near old walls.
Questions and Answers on Reproduction Biology Class X
What is the importance of DNA copying in reproduction?
How do Organisms get Their Food?
Mode of nutrition through which an organism depends on other organisms for food due to its inability to synthesise food is called as heterotrophic nutrition.
Environmental Indicators that We Observe
Anthills show the quality of soil.
A substance, factor, change, living being or a system that quantifies and simplifies phenomena and helps in understanding complex realities, is called as indicator.
It tells us something about changes in a system. There are many types of indicators some of which are- Financial Indicators, Poverty Indicators, Health Indicators, Environmental Indicators, and Indicators of Sustainable Development.
Neighbourhood- Mapping and Representation
Neighbourhood is a geographically localized community within an area, may it be a rural area, a town or a city, or sub-urban. Neighbourhood are considered as social communities in which face-to-face interaction among people take place.
Urban Environment Facing lots of Problems …
As per an assessment, about 600 million people inhabited urban areas of the world in the year 1950. But now urban areas have been recorded to be inhabited by about half of the total population.
Elephants damaged many houses in Bero, Ranchi
A group of sixteen elephants entered into three villages of Doranda Panchayat of Bero sub division of Ranchi district. These villages are Sero, Baidh Khijri and Karge.
