gulmohar
The Bird – Trade in India
Some reports regarding increasing bird trade in endangered species that were published recently in some news papers are matters of concern not alone for the lovers of environment and wildlife but for common public as well.
Animal Hormones and Their Secretion
Control and Coordination in animals are performed by the activities of different types of chemical substances. These chemical substances are known as Animal Hormones.
Plant Movements
Growth and movements in plants occur due to internal and external factors. Plant hormones are internal factors while light, touch, gravity and other stimuli are external factors that affect plant growth and movements.
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.
Our Food Resources
The resources that provide food to living organisms are called as food resources.
Importance of Water Caltrop – Trapa nutans
Singhara is known as the Water Caltrop in English. In Botany it is known as Trapa nutans. Its other two species are Trapa bicornis, and Trapa rossica. The later is an endangered species.
Our Food, Culture and Biodiversity
Thus, diversity of food is in fact the diversity of culture or at least you can say that cultural diversity of India is linked to its biodiversity. And so, the cultural diversity of the world is linked to its biodiversity. But often, we don’t get ready to accept it.
Onion, the bulb among vegetables
Onion is a bulb. It is a vegetable which is most widely cultivated species. Its genus is Allium. This genus…
Communities dependent on animals
Man has been keeping animals and depending on them for his livelihood since the origin of civilization. Washermen have been depending on donkeys since long for carrying clothes.
Two Types of work
Works done inside houses include works related to livelihood, child rearing, some small scale industries, human services, office works and indoor plays etc
All about wind energy
The Wind is Air in Motion. It is caused by differential heating of land, water, hills and mountain slopes by sun rays. About 25 % (i.e., 0.34 KW/m2) of incident solar radiation is dissipated as wind energy. There is kinetic energy in wind.
