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.
Khichadi
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Terrestrial Ecosystems and Their Components
The biosphere is itself a vast ecosystem which incorporates all the small ecosystems. But, the biosphere may have different types of physical conditions, communities of plants and animals, and climatic conditions in its different zones.
Grow Banyan and Tamarind for a better environment
Both the banyan and tamarind trees have large canopy and plenty of leaves. These produce lots of oxygen and absorb lots of carbon dioxide. Thus, besides numerous other benefits they keep up the balance of environment.
Approaches and techniques of Environment and Social Impact Assessment
Constructing a new infrastructure; expanding a residential area; building an industrial plant; increasing the capacity of an airport – are some typical examples of developments that can be carried out only if the competent planning authorities grant the authorization.
Shelter for living organisms
The dictionary meaning of a shelter is – something beneath, behind, or within which a person, animal or anything is protected from adverse conditions, and where it can reproduce is called as a shelter.
Memory of Dr. Homi Jahangir Bhabha
Yes, 24th January is the memory day of Dr. Homi Jahangir Bhabha. He was died in a plane accident. Though it was an accident people have different opinions about it. He is called as the Father of India’s Atomic Programme. It is accepted that India would have been a country of Atomic Power if Dr. Bhabha had lived the accident. His death was considered as suspicious
Environment and Environmental Science
As environment is common heritage and property of all nations of the world, the science of environment should also combine relevant matter so as to promote the value and necessities of local, national and international co-operation in the prevention and solution of environmental problems across the globe.
Soil- its Conservation and Management
Soil is the loose material that covers the land surface of the earth, supports the growth of plants and acts as a habitat for numerous organisms.
Questions and answers on Heredity/Bio- X
1. Trait-A exists in 10% of a population of an asexually reproducing species and trait-B in 60%of the same population….
Types of species
Species can be classified in many different ways. One species classification system may categorise species into Typological, evolutionary, and phylogenetic species.
Food spoilage and preservation
Food spoilage is the undesired process through which the quality of food deteriorates to a point that it no longer remains fit for eating. Such a food becomes harmful or poisonous and any one eating such type of food may fall ill seriously.
Loss of Energy in the Food –Chain
About 1000J radiant energy comes to the earth from the sun. Out of this, only 10% of the total energy is used up by green plants in the process of Photosynthesis. Remaining 990J of energy escapes away into the atmosphere. 10J of energy is stored in the form of chemical energy in starch and sugars.
