APSC Prelims and Mains Notes, APSC Test Series
Transport of water and minerals in plants and animals Transport of water in plants The survival of plants is dependent on a number of factors which include water, minerals, gases, and nutrients they receive. The movement of gas, water, and nutrients in plants are carried out in components. They take in carbon … Read more
Transport of water in plants The survival of plants is dependent on a number of factors which include water, minerals, gases, and nutrients they receive. The movement of gas, water, and nutrients in plants are carried out in components. They take in carbon dioxide from the air through the stomata present in their … Read more
Thermal power plants are the major source of energy in India. Nearly 65% of energy production comes from thermal plants. The energy is generated through coal heating process and then running turbine. But the energy generation is not a eco friendly exercise. Thermal power plant affect the environment in following way: Air Pollution: Particulate … Read more
The history of medicinal plants is intimately connected with the history of botany. Primitive man, in constant terror of diseases, lived at the mercy of nature. From the earliest times, tribal priests and medicine men (witch doctors) used various plants, minerals and animal organs, usually in association with strange rituals and incantation, to drive out … Read more
Diseases of plants caused by bacteria Aster yellows Aster yellows,caused by a phytoplasma bacterium, affecting over 300 species of herbaceous broad-leafed plants. Aster yellows is found over much of the world wherever air temperatures do not persist much above 32 °C (90 °F). As its name implies, members of the family Asteraceae are … Read more