Science

Mendel’s laws Mendel discovered that, when he crossed purebred white flower and purple flower pea plants (the parental or P generation), the result was not a blend. Rather than being a mix of the two, the offspring (known as the F1 generation) was purple-flowered. When Mendel self-fertilized the F1 generation pea plants, he obtained a … Read more

On March 27, 2019 India conducted Mission Shakti, an anti-satellite missile test, from the Dr. A P J Abdul Kalam Island launch complex. This was a technological mission carried out by DRDO. The satellite used in the mission was one of India’s existing satellites operating in lower orbit. The test was fully successful and achieved … Read more

. Bioremediation is a branch of biotechnology that employs the use of living organisms, like microbes and bacteria, in the removal of contaminants, pollutants, and toxins from soil, water, and other environments. Bioremediation may be used to clean up contaminated groundwater or environmental problems, such as oil spills. Bioremediation relies on stimulating the growth of … Read more

A) Emission trading: Emission trading is a market based approach to control pollution. In this a set of quota is set as limitation on the amount of carbon that can be emitted. If the entity exceeds the quota it has to buy from a seller which has emitted less quantum of carbon than the prescribed … 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

Montreal protocol  is a treaty signed in 1987 to ban ozone depletion substance like CFC’s and HCFC which were used in refrigerators and Air conditioner. India is also one of the signatories of Montreal protocol. The Montreal Protocol has proven to be innovative and successful, and is the first treaty to achieve universal ratification by … Read more

Chlorine is a powerful chemical that has been in use for many years to treat water for home consumption. Chlorine is an effective water purification method that kills germs, parasites and other disease-causing organisms found in ground or tap water. Water can be purified using chlorine tablets or liquid chlorine. As an off-the-shelf water purification … Read more

Dengue fever is a disease caused by a family of viruses that are transmitted by Aedes mosquitoes.Dengue fever is caused by a virus, and there is no specific medicine or antibiotic to treat it. For typical dengue fever, the treatment is directed toward relief of the symptoms (symptomatic treatment). Dengue fever is a disease caused by a family of … Read more

Local Area Network (LAN) It is also called LAN and designed for small physical areas such as an office, group of buildings or a factory. LANs are used widely as it is easy to design and to troubleshoot. Personal computers and workstations are connected to each other through LANs. We can use different types of … Read more

1. Endeavour to achieve an appropriate level of protection of human life and health and the protection of consumer’s interests, including fair practices in all kinds of food trade with reference to food safety standards and practices; 2. Carry out risk management which shall include taking into account the results of risk assessment and other … Read more