Daily Quiz: UPSC Prelims Marathon – April 20, 2018

Kishenganga lies south of ganga

Ganga is the northern most river flows through uttarpradeshand bihar

Wainganga and Penganga are the tributaries of Godavari located in Maharashtra

Eastern Himalayan region gets more monsoonal rain than the western Himalayas that’s why alpine vegetation is found at more height say up to heigh of (4000) in eastern Himalaya than western Himalaya

Paleomagnetism is the study of the record of the earth ‘s magnetic field in rocks. Certain minerals in rocks lock-in a record of the direction and intensity of the magnetic field when they form. This record provides information on the past behavior of Earth’s magnetic field and the past location of tectonic plates. Paleomagnetic results shows that the Indian land mass has moved northwards.

Indian subcontinent was originally part of Gondwana continent. It was separated into South America, Africa, India, Australia and Antarctica in late cretaceous period. By drifting northward. Indian subcontinent got separated from various other continent. Indian plate later merged with Eurasian plate in the north.

Biochemical oxygen demand is a measure of effluent strength in terms of the amount of dissolved oxygen utilized by microorganisms during the oxidation of organic components in the effluent. Polluted water has high Bod. i.e. less amount of oxygen is dissolving in it.

Phumdis are a series of floating islands, exclusive to the Loktak Lake in Manipur state, in northeastern India. They cover a substantial part of the lake area and are heterogeneous masses of vegetation, soil and organic matter, in different stages of decay.

Hydrogen has highest fuel value (150 KJ/g and is least harmful to the environment among fuels, while Coal, Diesel and Kerosene on combustion releases CO2, SO2 and other Nitroge oxides causes environmental pollution.