Category: Diet & Nutrition

The process of development has been studied experimentally and otherwise. The studies and researches have highlighted certain significant facts or principles underlying this process. These are as follows: (i) Development follows a pattern: Peculiar of the species Development occurs in orderly manner and follows a certain sequence. For example, the human body cuts his molars before his incisors, can stand before he walks and can draw, a circle before he can draw a square. In physical development one can see the cephalocaudal sequence in the prenatal life of the human child.This mean that control of the body as well as improvements in the structure itself develops first in the head and progresses later to parts further from the bread. Image Source: 115.167.75.38 ADVERTISEMENTS: The cephalocaudal sequence may be illustrated by…

The niche in which children derive happiness and joy is the family which provides them food, clothing and shelter on the one hand and opportunities to realise their full potential on the other.Unfortunately a large number of children are deprived of parental protection because of death or desertion of one or both parents, inability of parents to take adequate care due to disease, alcoholism, poverty etc., or abandonment which could be because of birth before marriage of the mother. Such children, who are actually in need of care and protection become victims of abuse and neglect by adults.Some of them take to rag picking, begging, petty crimes etc., for which they are punished in different ways. Several of them are admitted in institutions in which they are encouraged to learn…

In Sycon development is indirect i.e., it involves different forms of larva. Beginning from the zygote development involves following 5 stages: (a) Cleavage: In the mesenchyme embryo (zygote) undergoes equal and holoblastic cleavage. First three divisions are vertical resulting into 8 celled stages. ADVERTISEMENTS: Fourth division is horizontal and unequal resulting into 16 blastomeres that are arranged in two tiers. 8 cells of lower tier are larger and are called macromeres. They form pinnacoderm in the adult. Other 8 cells of upper tier are smaller and are called micromeres. They form the choanoderm. Image Source: gbri.org.au Micromeres undergo subsequent division rapidly to produce numerous micromeres. They all acquire flagella at their inner ends, facing the blastocoel. ADVERTISEMENTS: Macromeres don’t undergo division but become somewhat rounded. The embryo is now called…

Man is primarily a member of a social community. He should not only be concerned about himself but also for the welfare and development of society as a whole. It is truly said that “Jana-Seva” is “Janardhana-Seva”. The feeling of self-satisfaction that comes when one sees the unshed tears of joy in the eyes of one whose hunger has been appeased, whose thirst has been allayed and whose needs are fulfilled is indeed heavenly.The service rendered by an individual or an institution to improve the social conditions of society is called ‘social service’. This service is rendered on humanitarian considerations and without any motive of profit. Only those people to whom the interests of society are more important than their personal interests come forward to render social service.Social service is…

Poverty is not only an economic concept, it has a wider connotation. One could regard it as the failure of national economy to make full use of its human and material resources as well as of the concentration of economic power which creates vast inequalities in the distribution of national income.It is difficult to define poverty for its connotation not only differs from country to country but also at different points of time within the same country. The concept of poverty undergoes change with the economic development of the country.As defined by Gillin and Gillin, ‘Poverty is that condition in which a person, either because of inadequate income or unwise expenditure, does not maintain a scale of living high enough to provide for his physical and mental efficiency and to…

Free sample essay on Family Planning. Family Planning has been adopted as our national policy and a lot of money is being spent on it. Yet we are far from achieving our targets. India’s population is increasing fast in comparison to its dwindling and depleting resources.Family Planning has been adopted as our national policy and a lot of money is being spent on it. Yet we are far from achieving our targets. India’s population is increasing fast in comparison to its dwindling and depleting resources. This rapid growth of our population has resulted in a very high pressure on our resources of food, employment, housing, clothing, education and alleviation of poverty. With the phenomenal advancement in science, technology, medicine, health and physical-care, the mortality rate has come down considerably but…

Essay on the Importance of Physical Education !As the saying goes – Those who do not find time for exercise will have to find time for illness… In most of the schools, physical education is part of the curriculum. Apart from maintaining physical fitness, it includes training in the development and care of the human body It helps a person sharpen overall cognitive abilities and motor skills through athletics, exercise and various other physical activities. Seeing its benefits for the body and its effect on life, the importance of physical education can’t be ignored. ADVERTISEMENTS: Physical education inculcates in children the importance of maintaining a healthy body and teaches then the importance of regular fitness activity in daily routine, which in turn keeps them happy and energized. This helps the…

Free sample essay on Science and Technology for Peace. Since the beginning of civilisation man had an urge to control the forces of nature. Science and technology had been of great help to man in this regard. He has always been in quest for ways for improving his lot. It is the result of his efforts that man has come from Stone Age to computer age. Now he has all the amenities and luxuries at his disposal.Science has made our life easy and comfortable, healthy and enjoyable. It has made transport and communication easier and faster. We have succeeded in controlling certain diseases. The diseases which were considered incurable s few years ago are easily and effectively cured today. It is the science and technology which has helped us to…