Drink More Water in summer
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.
water crisis
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Phases of technological developments
There are three phases of development of technology- invention, innovation and diffusion. The invention is a process which incorporates wide range of ideas, material things, and human behaviour in new systematic ways.
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.
Human Reproductive Health
The physical and mental conditions that collectively affect the reproductive capacity of a male or a female are called as reproductive health. The reproductive health is most essential for reproduction.
Communities dependent on animals: Cruelty and Hunting
community in India has traditionally been rearing sheep to earn their livelihood. Circus owners still keep many types of animals as performers and earn money through their shows.
Environmental Problems and their global perspective
Our environment today is facing a number of problems. All those problems are causing dangers to take shape against the existence of the whole biosphere of this planet. But who is behind all those problems? The answer is – M A N.
Technological Evolution in 20th century
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
Post Stockholm Developments
Environment and its components like wildlife and Natural Resources constitute the vital life support system for all life on this planet. The protection of these through the cumulative efforts of the world community started across globe due to the persistent efforts of the United Nations through its Environmental Programme (UNEP).
Ecosystem and its components
The total area where living beings are found is called as biosphere. It can be divided into many small independent units called as Ecosystem. In fact, the unit of biosphere which incorporates many types of microorganisms, plants and animals, physical factors like soil, water, air etc. interacting among themselves is called as ecosystem
Loss of Energy in the Food –Chain
About 1000J radiant energy comes to the earth from the sun. Out of this, only 10% of the total energy is used up by green plants in the process of Photosynthesis. Remaining 990J of energy escapes away into the atmosphere. 10J of energy is stored in the form of chemical energy in starch and sugars.
Effect of climate change on development of plant roots
Roots of plants too, respond to the changes in climate.
Biodiversity and its Importance
Biodiversity and other sources supply raw materials to many important industries. They have aesthetic value and appeal for ecotourism, which supports the growth of the national economy. They are also potential sources of pharmaceuticals, other chemicals, agricultural materials, etc.
