Notes and Study material for Exams
An ecosystem is defined as the structural and functional unit of Biosphere consisting of community of living beings and the physical Environment, both interacting and exchanging materials between them. Ecosystems vary greatly in size and Elements, but each is a functioning unit of nature. There are two components of ecosystems i.e. biotic and abiotic. Ecosytems … Read more
Mains test Series and Notes program for MPPCS Mains Exam 2018 is focused to enhance the analytical and writing abilities of students. The program includes the topic wise notes of each MPPCS Mains paper and 20 Mains Specific Tests. Following are the frequently asked questions about our MPPCS mains test series program:- [su_row][su_column size=”2/3″][su_spoiler title=”Basic … Read more
The Human genome project was a large, international and multi-institutional effort that took 13 years from 1999 and $2.7 billion to produce a blueprint of the sequence of genes and space between genes that make up a typical human genome. Following were the observation of HGP (read)- 99% of the total human DNA is junk … Read more
The Human genome project was a large, international and multi-institutional effort that took 13 years from 1999 and $2.7 billion to produce a blueprint of the sequence of genes and space between genes that make up a typical human genome. Following were the observation of HGP (read)- 99% of the total human DNA is junk … Read more
Cell cycle, the ordered sequence of events that occur in a cell in preparation for cell division. The cell cycle is a four-stage process in which the cell increases in size (gap 1, or G1, stage), copies its DNA(synthesis, or S, stage), prepares to divide (gap 2, or G2, stage), and divides (mitosis, or M, stage). The stages G1, … 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
Contribution of Indian Scientist: Scientist Achievement Homi Jehangir Baba Father of Indian Nuclear Programme, Carried out first nuclear test 1974, Atomic energy establishment was renamed Bhabha Atomic research centre. Venkatraman Ramakrishna Indian origin biologist cum scientist won nobel prize in 2009 in chemistry. He pioneered in the studies of the structure and function of … Read more
Quick revision Topic: Corrosion and its prevention Definition: It is the process in which metals are slowly eaten up by the action of air moisture or chemicals. For example rusting is a form of corrosion in which iron is eaten up by the action of air and moisture and a reddish brown coating of iron oxide is formed … Read more
QUICK REVISION TOPIC: Catalyst Definition: Increases or decreases the rate of reaction without actually taking part in the reaction. Types: On the basis of phase of reactants: Same phase : Homogenous catalyst; eg: In Hydrogenation use of Raney nickel catalyst Different phase : Heterogenous catalyst; Eg in Ozone Depletion Chlorofluorocarbons (CFCs) like … Read more
Quick Revision Topic: pH scale and its day to day application Definition: pH scale is the scale developed to measure the concentration of Hydrogen ion in a solution. Here ‘p’ in pH implies ‘potenz’ in german. The pH of a neutral solution is 7. for Acidic solution pH is less than 7 and … Read more