Notes and Study material for Exams
Biopesticides Plants, growing in the wild or in cultivation, face numerous threats from insects, bacteria, viruses, and Fungi, as well as from other plants. Biopesticides are inert substances or living organisms that can help protect plants from such threats. Chemical pesticides can offer similar protection but, by contrast, are neither alive nor made … Read more
CREDA – Chhattisgarh State RENEWABLE ENERGY Development Agency CREDA – Chhattisgarh State Renewable Energy Development Agency, has been constituted on 25th May 2001 under the Department of Energy, Government of Chhattisgarh for implementation of various schemes pertaining to Renewable Energy sources and Energy Conservation activities. It is registered under Society Act … Read more
Magnetic storm A magnetic storm is a period of rapid Magnetic Field variation. It can last from hours to days. Magnetic storms have two basic causes: The Sun sometimes emits a strong surge of solar wind called a coronal mass ejection. This gust of solar wind disturbs the outer part of the … Read more
Dry cell A dry cell is an electrochemical cell that uses a low-moisture electrolyte instead of a liquid electrolyte as a wet cell does. This feature makes the dry cell much less prone to leaking and is therefore more suitable for portable applications. The zinc-carbon battery is one of the most common examples … Read more
The pH of natural rain is found to be in the range from 5 to 7. The term Acid Rain is customarily applied to Precipitation with a pH below 5. Such low pH values are generally possible only in the presence of large amounts of anthropogenic pollution. Sulphuric acid and nitric acid is considered as … Read more
While proposing the double helical structure for DNA, Watson and Crick had immediately proposed a scheme for replication of DNA. The scheme suggested that the two strands would separate and act as a template for the synthesis of new complementary strands. After the completion of replication, each DNA molecule would have one parental and one … Read more
Tissue Culture methods and applications Tissue culture refers to a method in which fragments of a tissue (plant or animal tissue) are introduced into a new, artificial Environment, where they continue to function or grow. While fragments of a tissue are often used, it is important to note that entire organs are also used for … Read more
Main issues of Education in India 1. Lack of Indian Society suffers from many kind of discrimination so there are many hurdles in education of unprivileged sections of society like Women, SC, ST and minority 7. Costly higher education Very minimal amount of subsidy is provided for higher education so if student seeks to get … Read more
Relation between focal length and redius of curvature The focal length (f) of a lens is the distance between the center of the lens and the point at which the reflected Light, of a beam of light travelling parallel to the center line, meets the center line (principal axis). The radius of curvature … Read more
Importance of renewable Biodiversity can be decreased by increased erosion and thus sedimentation due to deforestation due to construction work and resettlement. Large hydropower plants’ reservoirs produce a significant amount of greenhouse gases such as carbon dioxides and methane, in some cases emissions are found to be higher than from plants running from … Read more