Technological Evolution in 20th century
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
The application of scientific knowledge for practical purposes, especially in industry, is called as technology.
The conditions of a habitat remain changing abruptly and periodically. Abrupt changes in environment often do not give time to an organism to get ready and to face the challenges. As such the organism can survive only when it has sufficient abilities to tolerate these changes.
Bhindi in Hindi and Okra in English has been an integral part of the Indian vegetable since very long.
Jordanov was a famous Italian philosopher, astronomer, mathematician and poet of 16th century. He was born in Shola, Italy in 1548.
Sex organs of plants are found inside flowers. A male reproductive organ is called as Androecium and a female sex organ is called as Gynoecium.
Respiration is different in aquatic and terrestrial animals. Aquatic animals repire by means of gills and skin while terrestrial animals breathe in through lungs.
Man is surrounded by various life forms, forces and conditions- both physical and biological. Sunlight, land, air and water form physical conditions whereas all the plants, animals, and microorganisms form biological conditions.
Both pomegranate and mango are nutritios fruits. These help us in keeping good health.
Most of us have seen owls in our surroundings. Owls are hard to be seen in natural settings because they usually remain active during nights only.
The processes of development through years have spurred on unplanned urbanization, extensive industrialization followed by different types of pollutions, construction of a series of mega dams, and large-scale application of Agro-chemicals. In the process, different parts of the world have started facing ecological crises.
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.
Ferns belong to Pteridophytes and grow on high altitudes in moist cold places. These don’t need any fertile soil. Since Ranchi or the most part of Jharkhand is located on high land its climate is rather different and somewhat similar to those area of mountains. The author reports here the two fern species that preferably grow in this region that too on old walls.











