Everyone has stated experiencing heat with the start of changes in season. Everyone has started feeling need of fans, air conditioners, coolers and refrigerators. Walking of people outside houses has become still due to partial lockdown of corona phase 2 lockdown. Under these conditions people need electricity supply for rest and recreation.
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.
The environment of our earth has a number of life zones that support birth and development of all types of organisms.
All the life zones of the earth are collectively called as Biosphere.
The biosphere vertically extends into the atmosphere up to about 10 km and downwards into the oceans up to a depth of about6.9 km.
ASSESSMENT: NCERT QUESTIONS WITH ANSWERS
The reflex action is an involuntary action which goes on automatically. We don’t have any control on this type of action. Walking, on the other hand is a voluntary action which can be controlled and modified by us.
“Pension Aapke Dwar” or the “Pension at your doorstep” is a novel scheme of providing Pension to retiring School Teachers on the Date of their retirement in Jharkhand.
On the basis of his experiments of hybridization Mendel proposed following rules of heredity-1. Law of dominance, 2. Law of iseggregation and , 3.Law of Independent Assortment.
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.
We have damaged ecosystems in the name of development. Wildlife too is facing danger. Our activities have impacted in such ways that animal population has fallen into a serious zone of danger.
In a human being the ingestion of food is brought about in mouth where it is crushed into fine pieces by teeth.
The engineer couple of Chandigarh, Punjab has established a biogas plant in Barsana. From this plant about 300 unit electricity is generated per day. It is through this electricity that fourteen tube wells are run in the Goshalas.
Living beings in environment like animals and plants constitute more than half of the environment in the biosphere. All of these need to be conserved.
Natural resources constitute both living and non-living resources. Non-living resources are renewable and non-renewable.
