Spices are Necessary for Health
Eatable spices not only increase the taste and smell of food, they contain nutrients that increase our immunity and protect from any infection.
anti-oxidant's
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What is Ozone layer? How is it depleted and what are the control measures?
Ozone absorbs ultraviolet radiations so that much of it is never allowed to reach to the earth surface. The protective umbrella of ozone layer in the stratosphere protects the earth from harmful ultraviolet radiations. Ozone plays an important role in the biology and climatology on the earth’s environment. It filters out all the radiations that remain below 3000Å. Radiations below this wavelength are biologically harmful. Hence any depletion of ozone layer is sure to exert catastrophic impacts on life in the biosphere.
Making Compost for Better Health of the Soil
The organic matter formed through degradation of decomposable biomass and which is rich in nutrients for the growth and development of plants is called as compost.
Animals : domestic and wild
Animals can be categorized mainly into two categories- domestic, and wild. However, the domestic animals that live under wild conditions are called Feral Animals.
Ant Colony and Bee Colony
Ant colonies are Eusocial which means living in a cooperative group in which usually one female and several males are reproductively active and the non-breeding individuals care for the young and protect the group. These are very much like those found in other social animals though the various groups of these developed sociality independently through convergent evolution.
Bioinvasion of Foreign and Genetically Engineered Species
An incident of invasion by a living species into entirely new habitat thereby threatening the existence of native species is called as bioinvasion or Biological Invasion.
Flights of Birds
Discoveries and inventions have made human lives easy and comfortable. Men have stopped walking long distances. But his does not relate to flying of birds. They continue flying and flying for ages very high and up to amazingly long distances.
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.
The Limit of Tolerance of Environment
We have been hearing about environmental pollution, loss of biodiversity, energy crisis, and the sustainable environment since long. So many things have already been infused in school syllabi as well. But how many of us really apply in our real life the things about which we have read in our classes?
Questions based on Control and Coordination- Biology Class X
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.
Teaching the Environmental Education
Teaching of environmental education is rather different. In involves practical experiences. For this both indoor and outdoor studies are essential.It also involves parents and community
Major provisions of the Environmental Laws
The development in all sectors of a country is essential to feed its growing numbers and to feed and to…
