Rains in Nepal have always been responsible for floods in Bihar. Most of the rivers flowing through Bihar have their origins in Nepal. Since last three days Nepal is experiencing continuous rainfall. This is why villages in Bihar are being seriously flooded. What can be done?
Plants and trees shed their leaves from time to time. This happens due to a number of reasons. From some plants and tree leaves continue falling throughout the year. At the same time new leaves continue developing to compensate their number.
Producers in running or Lotic type of ecosystem comprise species of algae, and plants that grow on embankments. Various varieties of molluscs, tadpoles, and insects are primary consumers whereas fish, crabs, and crustaceans are secondary consumers of this ecosystem. Numerous species of bacteria and few species of fungi act as decomposers in this ecosystem.
Anything from which we can derive energy is called as a source of energy. Since all the life processes need energy, energy is most important for our survival. Our body derives energy from the food we eat. Thus, the food we eat is the source of energy for our body. But this is not the whole story. We need energy for our growth and economic development as well.
Onion is a bulb. It is a vegetable which is most widely cultivated species. Its genus is Allium. This genus…
Mixing of different solid, liquid or gaseous substances and microorganisms into water, so as to alter its natural qualities is called as water pollution. According to the National Water Commission (1973), water gets polluted if it has not been of sufficiently high quality to be suitable for the highest uses people wish to make of it at present or in future.
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.
Animals can be categorized mainly into two categories- domestic, and wild. However, the domestic animals that live under wild conditions are called Feral Animals.
Control and Coordination in animals are performed by the activities of different types of chemical substances. These chemical substances are known as Animal Hormones.
New Technologies are developed for improving and increasing industrial production. Similarly, new projects are formulated for providing energy to those…
Determining male or female form of living organism through sexual reproduction is called as sex determination. Sex determination on a large scale is of two types- environmental, genetic and chromosome based.
On the local and regional levels, air pollution creates various types of problems against living and non- living environment. In the living environment it causes different types of physical, physiological and mental diseases.
