Today’s GK Test Quiz

The Tehri Dam is the tallest dam in India. It is a multi-purpose rock and earth-fill embankment dam on the Bhagirathi River near Tehri in Uttarakhand, India.

Samudragupta (335-375 AD) of the Gupta dynasty is known as the Napoleon of India. Historian A V Smith called him so because of his great military conquests known from the 'Prayag Prashati' written by his courtier and poet Harisena, who also describes him as the hero of a hundred battles.

Methyl bromide (CH₃Br) damages the ozone layer once released into the atmosphere. It is also toxic and harmful to humans and fauna if not used carefully. Methyl bromide is an odorless, colourless gas used to control a wide variety of pests in agriculture, including fungi, weeds, insects, nematodes (or roundworms), and rodents.

The liver secretes bile juice that does not contain enzymes but helps in digestion. Salivary gland secrets ptyalin which is the first digestive enzyme. The small intestine secrets maltase, and peptidase. The pancreas produces pancreatic amylase, trypsin, nuclease, nucleosidases, and lipase.

Dichlorodifluoromethane (CCl₂F₂) is sold under the brand name Freon-12. Freon is a non-combustible gas that is used as a refrigerant in air conditioning applications. It is a non-corrosive gas belonging to the class of chlorofluorocarbons (CFCs).

Pyrex glass is a variety of heat-resistant glass. Pyrex contains borosilicate and expands only about one-third as much as common glass (silicate) when heated. As a result, it is less apt to break when subjected to rapid temperature changes. Flint glass is optical glass that has relatively high refractive index and low Abbe number.

A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star.

Mercury and Venus have no natural satellites. Earth has one natural satellite (Moon) and Mars has two tiny natural satellites (Phobos and Deimos).

A biome is a large geographical area that contains distinct plant and animal groups which are adapted to live in that environment. They are the interactions between biota, such as plants and animals, within the environment, and many ecosystems can make up a single biome.

On 5 August 2019, the government of India revoked the special constitutional status of the erstwhile state of Jammu and Kashmir under Article 370 of the Constitution of India. This article was a 'temporary provision'. Article 370(3) gives the president of India the power to amend or repeal article 370 itself through a public notification.

Four prime ministers, VP Singh, I.K. Gujral, H.D. Deve Gowda and Atal Bihari Vajpayee have been voted out from the office. Morarji Desai was the first prime minister to resign while in office. In November 1990, VP Singh lost the no-confidence motion and had to resign.

It is called Operations Research (OR). OR is an analytical method of problem-solving and decision-making that is useful in the management of organizations.

Monopolistic competition is a type of imperfect competition such that there are many producers competing against each other, but selling products that are differentiated from one another and hence are not perfect substitutes.

Non-plan expenditure is what the government spends on the so-called non-productive areas, such as salaries, subsidies, loans and interest, while plan expenditure pertains to the money to be set aside for productive purposes, like various projects of ministries.

Ibn Batuta (1333-1347 AD) was a Moroccan traveller. He reached Delhi during the reign of Muhammad-bin Tughluq and with him, he bought several precious presents for the Sultan of Delhi.

The first factory in Bengal was established in 1651 at Hughli. This was followed by other factories at Patna and Qasim Bazar.

The visible spectrum is the portion of the electromagnetic spectrum that is visible to the human eye. The wavelength of the Visible Light ranges between 380 nm to 750 nm (3800 to 7500 angstroms). (The limits of the visible spectrum are not sharply defined but vary among individuals)

Ultrasound is sound waves with frequencies higher than the upper audible limit of human hearing. Humans can detect sounds in a frequency range from about 20 Hz to 20 kHz. The frequency of ultrasound waves is above 20 kHz.

HIV (human immunodeficiency virus) is a virus that attacks the body's immune system. If HIV is not treated, it can lead to AIDS (Acquired Immunodeficiency Syndrome).

China is the largest producer of world's mica. Following China is Russia, Finland, USA.