State Exams GK Questions 2026

A passive tag is only a chip and an antenna. When it enters the field of a reader, the incoming radio waves induce a current in the antenna, that current powers the chip for an instant, and the chip replies by modulating the reflected signal, a method called backscatter.

NFC is built on the high frequency band of radio frequency identification and uses magnetic induction between two loop antennas at 13.56 MHz, which is why the devices must be brought within about four centimetres of each other.

In a piconet one device acts as the master and sets the clock and the hopping sequence, and up to seven other devices can be active slaves at the same time, which makes eight devices in the piconet in all.

The 802.15 group of standards covers wireless personal area networks, and 802.15.1 is the one that was drawn from the Bluetooth specification; the technology itself is now developed by the Bluetooth Special Interest Group.

Wi-Fi operates in the unlicensed industrial, scientific and medical bands, and the two classic bands are 2.4 GHz and 5 GHz, with 6 GHz added in the latest equipment.

Sukumar Ray wrote Abol Tabol, a collection of nonsense rhymes that is a landmark of Bengali children's writing, along with the story HaJaBaRaLa and the play Chalachittachanchari.

The cartoonist Shankar, famous for his political cartoons and for Shankar's Weekly, founded the Children's Book Trust in New Delhi in 1957 to publish good and affordable books for Indian children, and also started the Shankar's International Children's Competition for painting and writing as well as the doll museum in…

The race in which the slow tortoise beats the overconfident hare is one of the best known fables attributed to Aesop of ancient Greece, along with the fox and the grapes, the boy who cried wolf and the lion and the mouse.

Dodgson was a mathematician at Oxford who wrote Alice's Adventures in Wonderland and its sequel Through the Looking-Glass under the pen name Lewis Carroll, and the nonsense poem Jabberwocky belongs to the same world.

Anant Pai, known to generations of readers as Uncle Pai, began Amar Chitra Katha in 1967 after noticing that Indian children knew European fairy tales better than the stories of their own country, and in 1980 he launched the children's magazine Tinkle.

Ruskin Bond, who has lived in Mussoorie for most of his life, won the Sahitya Akademi Award in 1992 for the collection Our Trees Still Grow in Dehra.

Mowgli the boy raised by wolves, Baloo the bear, Bagheera the panther, Kaa the python and Shere Khan the tiger are the characters of The Jungle Book, written by Rudyard Kipling and set in the forests of central India.

The Danish writer Hans Christian Andersen was born on 2 April, and the International Board on Books for Young People chose that date for International Children's Book Day; the same body gives the Hans Christian Andersen Award, often called the little Nobel of children's literature.

The Panchatantra was first rendered into Middle Persian, and from that version it was turned into Arabic as Kalila wa Dimna, the two names being those of the jackals of the first book.

The Jataka tales form part of the Buddhist canon in Pali and number over five hundred.

The Panchatantra, a collection of animal fables in Sanskrit arranged in five books, is traditionally said to have been composed by Vishnu Sharma to teach practical statecraft to the dull witted sons of a king.

These four are the oldest and most widely covered international pageants: Miss World from 1951 in Britain, Miss Universe from 1952 in the United States, Miss International from 1960 and held mainly in Japan, and Miss Earth from 2001 in the Philippines.

The year 2000 was the second time India held both crowns, with Priyanka Chopra crowned Miss World at London and Lara Dutta crowned Miss Universe at Nicosia in Cyprus; Dia Mirza also won Miss Asia Pacific the same year.

The Miss World contest of 1996 was held at Bangalore, the first time the pageant came to India, and it is remembered as much for the protests and the court proceedings around it as for the contest itself; it became a standard example in debates on the commercialisation of beauty.

Nicole Faria won Miss Earth in 2010 and was the first and so far the only Indian to take that crown.