Crafts and their cultural importance
India has a vibrant tradition of crafts. Though agriculture employs largest number of people in this country, craft section employs and sustains over twenty million people.
tribals
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What is acid deposition? What is acid rain?
The acid rain affects living and non- living components of environment. In July 1982, Stockholm- the venue of U N –conference on acid rain, suffered heavy acid showers for about a week. In India too, acid rains have been reported since last twenty years in areas where thermal power plants are located and also around Delhi, the capital of India.
Urban and Rural Waste and their Management
Different activities may generate waste which may be solid or liquid. The quality of both solid and liquid wastes is increasing and if the wastes are disposed in an uncontrolled manner these may cause adverse impact on public health and environment. Hence these wastes need to be managed efficiently so as to safeguard public health and environment. In definitional terms, solid and liquid waste management is the collection, transportation, processing, recycling, treatment and disposal of waste materials.
Festivals should not be organized at the cost of others’ lives- SC
Different news agencies report the Supreme Court’s comment that no one can celebrate functions at the cost of lives of others.
Animal Shelters
An area or structure that protects animals from adverse conditions is called an animal shelter. Different kinds of animals need different types of shelters. Different kinds of animals and their shelters are mentioned here.
Kinds of animals and their shelters
Animals can be classified into terrestrial, arboreal, aquatic and amphibians.
Terrestrial Animals
Land animals are called as terrestrial animals. Some of these animals like lion, tiger, bears and bats live in rock caves. Illustration
Snakes live in ground, under rocks and in abandoned ant hills. Some snakes live insid
Reproduction in Human Being
In human beings reproduction takes place through the activities of male and female reproductive organs. To understand this, it is essential to study the structure of male and female reproductive systems separately.
United Nations System
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.
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.
Darwin Day
Darwin published his book “On the Origin of Species” on 24 November 1859. The aim of Darwin Day inspires to fulfil the academic curiosities. It demands to search the truth in scientific ways.
Types of Extinction of Species
The Conservation Status of Biodiversity is usually known through the comprehensive Inventory prepared periodically by the IUCN, the International Union for the Conservation of Nature and Natural Resources. This comprehensive Inventory of the Conservation Status of Species is popularly known as the Red List or the Red Data List.
Fern species that grow on old walls in
Ferns belong to Pteridophytes and grow on high altitudes in moist cold places. These don’t need any fertile soil. Since Ranchi or the most part of Jharkhand is located on high land its climate is rather different and somewhat similar to those area of mountains. The author reports here the two fern species that preferably grow in this region that too on old walls.
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….
