Management and Protection of Crops
Proper arrangement of resources and techniques to check losses to crops through different factors is called as Crop Protection Management.
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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.
Vertebrates and Their Key Characteristics
According to their physical make up, there are basically two types of animals- Vertebrates and invertebrates. Invertebrates are those animals that don’t have a vertebral column or backbone. On the other hand, Vertebrates are those animals who have a vertebral column or the back bone.
Structure and Functions of Ecosystems
The environment has two basic components: Biotic and Abiotic. The biotic components of an ecosystem are living beings—plants, animals, and…
Diversity of leaves and Leaf-fall
Though there are two basic types of leaves of monocotyledonous and dicotyledonous plants, we observe immense diversities in their arrangements, sizes, and shapes.
Some leaves are very short, as short as they cannot be seen through naked eyes where as there are big broad leaves that can form many umbrellas for small children.
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.
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.
Biogas and Biogas Plant
Biogas is a mixture of 56% methane gas (CH4), 40% carbon dioxide (C02) and rest, a mixture of H2, H2S and N2. It is produced by digestion, Pyrolysis and hydro gasification in a specific plant called as Biogas Plant. Biogas plants are of various types like — Janata biogas plant, Dean Bandhu biogas plant, Khadi and Village Industries Corporation (KVIC) type biogas plant, Pragati Design biogas plant and Chinese biogas plant.
The Valentine’s Day and The Valentine’s Week
I did not know about the Valentine’s Day or the Valentine’s Week even till I was married. I don’t know either when I knew about it.
United Nations System
On June 26, 1945 fifty-one; nations representing 80% of the world’s population approved and signed a charter for the establishment of a world body of nations – the United Nations Organisation (UNO); at San Francisco.
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.
