Questions

Alum is a common alum, potassium aluminum sulphate K2SO4.Al2SO43.24H2O which makes colloidally suspended impurities in water such as clay to settle down.

In nuclear physics, nuclear fission is either a nuclear reaction or a radioactive decay process in which the nucleus of an atom splits into smaller parts (lighter nuclei). The fission process often produces free neutrons and releases a very large amount of energy.

Thus, The Nuclear Fission is caused by the impact of Neutrons.

India’s first contactless business credit card has been launched by ICICI bank in association with Jet Airways, India premier international airline, for Small and Mid-sized Enterprises (SMEs) and their employees. The card has been christened as the ‘Jet Airways ICICI Bank Business Advantage Card’, which helps customers to save on their business expenses. The card is powered by the ‘VISA payWave’ contactless technology that enables the cardholder to make payments by simply tapping the card at contactless enabled terminals in more than 48 countries, including India. The card can also be used by dipping or swiping at non-contactless merchants.

A respirometer is a device used to measure the rate of respiration of a living organism by measuring its rate of exchange of oxygen and/or carbon dioxide.

The Council of States (Rajya Sabha) is composed of not more than 250 members, of whom 12 are nominated by the President. The twelve members are chosen by him from among persons having special knowledge or practical experience in literature, science, art, and social service. The Constitution thus adopts the principle of nomination, for according distinguished Indians a place in the Upper Chamber (Rajya Sabha) of Parliament.

Genetic drift or allelic drift is the change in the relative frequency in which a gene variant (allele) occurs in a population due to random sampling and chance.

When is genetic drift a major factor in evolution is

* When there is low gene flow.

* When there is no selective pressure.

* When there is a bottleneck.