Natural Ponds Drying up in Ranchi
Sometimes back Ranchi was known as the city of ponds. Every area by then had a pond and people of…
rain water harvesting
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Changing Trends in Government Schools
Days have gone when students felt it very hard for them to have a friendly talk with their teachers. There were miles of hesitations between a students and teachers.
In the classroom set up many students were so shy and hesitant that they even did not lift up their hands to answer a question even when they knew it properly.
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.
The Strange Bioinsecticide: The Ladybird
Ladybird is one uncommon compound word made by the union of two simple common words – Lady and Bird. But,…
Some Types of Technologies
There are many different types of technologies or technological models- such as Low-tech, Hi-tech, alternative, intermediate, appropriate, blended, hard, and soft technologies.
Factors Causing Population Change
There are four basic factors that cause population change in a country – Natality or the birth rate, Mortality or…
Biomass Energy and its implications
The dry weight of organic matter produced by plants, their derivatives and wastes are called as BIOMASS. The biomass includes crop residues, plant parts, body parts of dead animals and animal wastes. As biomass is created due to photosynthesis by plants, so energy from biomass or bio wastes is regarded as another form of solar energy.
Amazing world of animals- II
Animals are of different types and varieties. The world of animals is most amazing
Mendel’s Laws of Inheritance
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.
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.
Vegetative Propagation of Plants
When a new plant is developed or caused to develop through stem, root or leaf the method is called as vegetative reproduction. In other words, vegetative reproduction means- reproduction through anyone of the vegetative parts of the plant.
Cuscuta- the Plant Parasite
Cuscuta is found throughout the temperate and tropical regions of the world. It has great species diversity in subtropical and tropical regions of the world. It has many folk names like wizard net, devil’s hair, goldthread, hair weed, love wine; strangle weed, angel’s hair, and witch’s hair.
