Daily Quiz: UPSC Prelims Marathon – March 14, 2019

A smart  card is a plastic card about the size of a credit card , with an embedded microchip that can be loaded with the data , used for telephone calling, electronic cash payment , and other applications, and then periodically refreshed  for additional use,

Digital technology enables immense amount of information to be compressed on small storage device that can be easily preserved and transported. Digitalization also quickness data transmission speeds telecommunication had relied on digital method to transmit message. In the early 1980s, enhanced fibre optics enabled the development of digital  communication network . communication satellites known as the direct broadcast satellite (DBS) transmitted compressed digital signals for viewers the receive several hundred television programming choices.

A digital library is a collection of documents in organized electrons from, available on the Internet or on CD- ROM ( compact –disk –read-only memory ) disks. Depending on the specific library , a user may be able to access magazine article, books papers, image, sound files, and videos.

Methanol has a high toxicity in humans. If ingested, for example as little 10 ml of pure methanol can cause permanent blindness by destruction of the optic nerve , and 30mL is potentially- fatal

Vitamin A group includes retinol. Their parent carotene is a vitamin substance as b carotene

The new gene inserted is BT gene or Bacillus thuringiensis.it was developed by Monsanto bacterium. The new variant is called Bollgard cotton resistant to bollworm pest.

Class insect of the animal kingdom with 7,50,000 species reported, in the largest single group in the both plant and animal kingdom

Seedless tomato fruits can be produced by parthenocarpy (the natural or artificially induced production of fruit without fertilization of ovules. The fruit is therefore seedless

A computer may perform millions of calculation in solving a problem in flash second. Each number ,letter , symbol etc.put into a computer is turned into a group of eight bits ( bytes) each bits must be stored in somewhere and must ready to be retrieved at a moment notice.