Ashrams are an outstanding feature of the social organization in ancient India. This system particularly developed during the later Vedic period.
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Demography is the scientific study of human population. It focuses its attention on the following three observable human phenomenon:
The curriculum should meet the needs of the adolescent individuals as well as the democratic society in which the child is expected to participate as a citizen on reaching maturity.
Resource planning is a technique or skill of proper utilisation of resources. As the resources are limited and unevenly distributed over the country their planning is essential. Resource planning comprises three stages:
Approach stage is followed after pre-approach. In this stage the salesman makes actual approach with the prospect. Approaching the prospect consists of two stages like securing an interview and the actual interview. There are different methods of securing interview. These are:
Socialization is a gradual process of learning. The newborn child is not taught all the things about social life at once. It proceeds from simplicity to complexity. During the early stages of life (infancy and childhood) socialization takes place within the ‘simple’ limited social world.
According to Comte, each branch of our knowledge passes successively through the different theoretical conditions. It is known as law of three stages. The main aim of this principle is that it provides the basis of sociological thinking.
It is the reductional cell division in which the chromosomes duplicate once but the cell divides twice. Hence, the result of meiosis is four haploid cells, which become the male or female gametes in case of animals and microspores (pollen) and megaspores in case of plants.
Mitosis is known as the somatic cell division as it occurs in the somatic cells for vegetative growth. It is an equational type of cell division, resulting in two daughter cells equal with number of chromosomes and identical genes as that of parent cell.
Before the initiation of meiosis, there is an inter-phase stage just like mitosis in which chromosomes are duplicated. Meiotic division undergoes two successive nuclear divisions, so that four daughter cells are formed as a result of a complete division.