Breathing In and Breathing Out …
The bio-mechanical process of exchange of gases between an individual and his atmosphere is called as breathing.
carbon dioxide
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Burning of Those Dry Fallen Leaves of Trees
It is reported that about 30 million tones of dry leaves are dumped into landfills every year in America. In India most of these leaves are either burnt on the floor where they fall or collected by poor people and stored for burning during winter season to generate heat.
Our Central and Peripheral Nervous Systems
Brain and Spinal cord together constitute the Nervous System. The nervous system receives information in the form of impulses from all parts of the body and integrates this information.
Occupations and Work
An activity that serves as one’s regular source of livelihood is called as occupation
Eat Carrot to correct Night Vision
The carrot which is taxonomically known as Daucus Curota sub species sativus is an important plant. It is typically orange or blood red in colour. However, it is found in many colours like white, red, yellow etc. All of these are domesticated forms of the wild carrot.
Relations among components of ecosystem and Food Chains
Green plants and trees that synthesize their own food are called as Autotrophs.Others who depend on them are called as Heterotrophs.
Makar Sankranti: Cultural and Religious Significance
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.
Monoculture and its impact on the Environment
Growing a single crop species over a large area or farm is called intensive farming or monoculture. Earlier practices of mixed cropping caused problems in crop management, like harvesting, etc. Uniformity in plant height adds beauty to our fields and makes the application of agrochemicals easy. It also saves time and energy in segregating grains in threshing.
Pollution load in the atmosphere from non-renewable sources – Coal and Petroleum
Non-renewable resources coal and petroleum are energy sources that we use and consume faster than the rate of their production in nature.
Technology and technological activities
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
Selling Mahaviree Flags in Corona offschool
The second corona outbreak has filled the society with terror.
Water Pollution- Sources and Control
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.
