Control and Coordination-Biology for Class x
Such bio-chemical and physiological management of body through which body activities remain in control while keeping up adjustments with different body organs
Such bio-chemical and physiological management of body through which body activities remain in control while keeping up adjustments with different body organs
Jaggery is a traditional sweet of India. After the appearance of sugar in Indian markets, its use was slowed down for some decades. But now it is being used in urban areas also. It is reported that jaggery contains many medicinal properties and it is full of nutrients.
Man is surrounded by various life forms, forces and conditions- both physical and biological. Sunlight, land, air and water form physical conditions whereas all the plants, animals, and microorganisms form biological conditions.
Both pomegranate and mango are nutritios fruits. These help us in keeping good health.
Water is the principal constituent of our body. Water is chemically an inorganic, transparent, tasteless, odourless, and colourless. It is the main constituent of the hydrosphere of the earth.
Both the banyan and tamarind trees have large canopy and plenty of leaves. These produce lots of oxygen and absorb lots of carbon dioxide. Thus, besides numerous other benefits they keep up the balance of environment.
The population explosions of earlier and present days have already caused and are still causing serious impacts on the global environment. As for the biological environment, the human population has stressed most biological systems, comprising flora and fauna, as well as biological diversity.
Sometimes it so happens that serious and abrupt changes in weather condition ruin the entire crop. Thus, the hard work of the whole season goes in vain. What about the debt which he has to pay? On the other hand, market prices of his agriculture production often remain too less to support the economy of the farmer. These are the conditions under which a number of farmers in different states of India have been reported committed suicides.
Many squirrels had made nests in upper portions of offices by depositing huge balls of wool like materials between the rows of files and old registers. Many times and many men spotted some or the other squirrel coming to the rows of files and registers placed there since many-many years. But since squirrels usually don’t destroy papers, as I think, nobody ever tried to disturb them.
The Heavy Engineering Corporation (HEC), Ranchi, Jharkhand has decided to make turbine for generating electricity from the Wind Energy. For this HEC has decided to take technology from the Sky Wind, a company of Germany.
There have been a number of environmental movements in India through which people have been protesting for conservation of forests and other natural resources. Here some important People’s Movements have been introduced in brief.








