Children as they grow, start getting involved in the day to day activities of the family to support their parents. These children go to schools and work in the family in leisure periods. Their household activities are neither harmful nor exploitative.
Two organisms- male and female are essential for sexual reproduction. Now let us study some basic methods of reproduction in single organisms.
The digested food is absorbed into the body from where it is distributed to all its cells.
The engineer couple of Chandigarh, Punjab has established a biogas plant in Barsana. From this plant about 300 unit electricity is generated per day. It is through this electricity that fourteen tube wells are run in the Goshalas.
The comfortable life style has reduced mobility of men, women, and children. The lock down during COVID-19 period has restricted human movement up to greater extent. Under these conditions arthritis may become a reason behind problems of joints.
Parental traits are transferred from one generation to other generation by means of chromosomes, DNA, or Genes.
The year 2022 has remained a year of big scientific achievements. In it, the discovery of probability of wormhole and Dart campaign of NASA in space science have been remarkable. On the other hand, the revolutionary event of heart transplant of a pig that was genetically engineered, also happened in the field of surgery.
Our natural resources are known to have some specific qualities of their own. These qualities are known as natural qualities. It is due to specific natural qualities that different natural resources have been useful to us and to the whole biosphere. But now, the condition has changed considerably.
It is reported that intake of Moringa leaf extract helps reduce High Blood Pressure by preventing thickening of arteries. However, it has been confirmed through researches on animals, not on humans.
Mahaua or the Madhuca longifolia is indigenous to India. It is a good sized tree and it grows up to 20 meters in height.
The process of recovering or reusing usable materials from discarded waste is called recycling. For example, about 15 per cent of Sulphuric acid is recycled in chemical manufacturing. In the early days, all the sulphur needed for the production of sulphuric acid was taken out of mines directly. But now, with the prevailing tendencies of recycling, sulphuric acid manufacturing industries are using sulphur from smelters, refineries, etc.
Mode of nutrition through which an organism depends on other organisms for food due to its inability to synthesise food is called as heterotrophic nutrition.
