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 pollutRead More…
Mixing of different solid, liquid or gaseous substances and microorganisms into water, so as to alter its natural qualities is called as water pollutRead More…
Our environment today is facing a number of problems. All those problems are causing dangers to take shape against the existenceRead More…
All the life forms in an ecosystem constitute Biotic components of that ecosystem. These components constitute three Trophic Levels. These trophic leRead More…
Why are some substances biodegradable and some substances non-biodegradable? Ans. Specific enzymes are needed for degradation of substances. A sRead More…
The flow of nutrients in ecosystem takes place in cyclic pathways through food chains, food webs and bio-geo-chemical cycles. Food Chain Flow oRead More…
Green plants and trees that synthesize their own food are called as Autotrophs. Others who depend on them are called as Heterotrophs. There areRead More…
Living beings are found across the earth. The total area where living beings are found is called as biosphere. It can be divided into many small iRead More…
1. Pituitary Gland This is a pea sized major endocrine gland. It is protected by a boney cavity called Sella turcica of the sphenoid bone. It is aRead More…
According to the World Health Organisation (WHO) – Nutrition is the intake of food, considered in relation to the body’s dietary needs. Good nutRead More…
We have been hearing about environmental pollution, loss of biodiversity, energy crisis, and the sustainable environment since long. So many things hRead More…