Daily NEET MCQ- March 6, 2022 - NEET MCQ

Microwave System is not a transmission medium. Instead, it is used for the transmission of data over a cable as well as lines. All the others are commonly used transmission media. Coaxial cable is a widely used wire medium, which offers a bandwidth of approximately 750 MHz.

Rosin is a chemical compound which is a gum that is added while making soaps. During saponification, it forms sodium rosinate which forms lathers.

The process of removal of forest covers of an area that is the conversion of forested areas to non-forested ones is known as deforestation. Almost 40 percent of forests in the tropics compared 1 percent in the temperate region have been lost due to this.

Communication through free space using radio waves takes place over a very wide range of frequencies, i.e. from a few hundreds of Hz to a few kHz. This range of frequencies is further subdivided and allocated for various services.

When the soap is dissolved in a solution of ethanol while making it and then evaporating the excess ethanol not used in the process, a transparent soap is formed.

Almost 30 percent of the land in India was covered by forests at the beginning of the twentieth century. This was reduced to 19.4 percent at the end of the century. The main reason for this depletion was increasing deforestation due to the increase in the human population.

Optical communication which is also called optical telecommunication is referring to a type of communication at a distance using light to carry information. Optical communication using fibers is performed in the frequency range of 1 THz to 1000 THz, i.e. microwaves to ultraviolet.

Sodium carbonate and trisodium phosphate acts a builders or building agents in powder soaps. These make the soap act more rapidly.

The process of growing crops by cutting down the trees and vegetation of the forest and burning the plant remains for agriculture is known as jhum cultivation. It is also known as the slash and burn agriculture and is mostly practiced in the north-eastern states of India.

The expansion of ITU is the International Telecommunication Union. It is a specialized agency of the United Nations that is responsible for all the matters related to information and communication technologies. The ITU administers the present system of frequency allocations