Impulses and their conduction
The information received by a receptor at the end of a dendrite sets of a chemical reaction that creates an electric impulse.
The information received by a receptor at the end of a dendrite sets of a chemical reaction that creates an electric impulse.
With the growth of human population, more and more land was cleared for cultivation, housing and cattle rearing. Later, as towns and cities started developing, vast areas of land were started to be consumed in making roads, rail tracks, bridges, buildings, markets, trade centres, Educational and Research Centres, hospitals, railway junctions, etc.
All those processes that maintain the body of an organism collectively are called as life processes. These processes principally include Nutrition, Respiration, Internal Transport, and Excretion. Some other processes of life like control and coordination, Reproduction, Heredity and Evolution etc. are essentially found in living beings but they are not directly related to processes of life. Hence, these may or may not be regarded as life processes
Deepawali is the time of functions. This is the time when we meet with our friends and relatives. The atmosphere of love and recreation remains all around at this time. But we never think that we forget certain other important things at this time.
Sankranti or Solstice means: moving from one place to the other or meeting with another. When sun enters from one rashi o the other rashi, it is called as Sankranti.
Holi is an ancient Hindu festival which is also called as the Festival of Colours, love and spring.
The whole world is worried due to the new variant of corona Omicron. The era of lockdowns has again started because Omicron is seen as more deadly variant. WHO has declared that it disseminates faster and is more dangerous. Everyone has been warned to strengthen securities.
Peperomia pellucida is commonly known as shining bush plant and Pepper elder. It commonly grows in the wild in moist shady places. In Jharkhand it is found growing during rainy season at the banks of streams or near old walls.
Sida is a shrubby plant which belongs to Malvaceae, a family of flowering plants. It grows in the wild in different types of habitats like overgrazed lands, roadsides; along the sides of walls of old buildings etc.
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.
A group of individuals of a particular species occupying a particular area at specific time is called as population. A species is a group of similar type of organisms that can interbreed under natural conditions. The interbreeding organisms of a species produce new organisms and finally result into the growth of population. This is true for all the life forms including human beings.











