Today’s GK Test Quiz

The Narmada, Periyar and Tapti are the only long rivers, which flow west and make estuaries.

The Mettur Dam is the largest in Tamil Nadu, located across the river Cauvery where it enters the plains. Mettur Dam Hydro Power Project is a small town in Salem District, Tamil Nadu.

Techniques for improved soil conservation include crop rotation, Contour ploughing, Strip cropping, Shifting agriculture, etc. Dry farming encompasses specific agricultural techniques for the non-irrigated cultivation of crops.

Jehangir Ratanji Dadabhoy Tata was an Indian aviator, industrialist, entrepreneur and chairman of Tata Group. In 1992, because of his selfless humanitarian endeavours, Tata was awarded India's highest civilian honour, the Bharat Ratna.

Gregor Mendel (1822-1884) discovered the basic principles of heredity through experiments with pea plants, long before the discovery of DNA and genes.

When the radius of blood vessels decreases, their capacity to hold blood is reduced, allowing more blood to return to the heart from which it is pumped into the arteries. As a result, blood pressure increases.

The typical composition of exhaled air is about 18 percent O₂, 78 percent N₂, and 4 percent CO₂.

The Symphony No.1 was written in 1764 by Wolfgang Amadeus Mozart at the age of eight years. A symphony is an extended musical composition in Western classical music. Wolfgang Amadeus Mozart (1756-1791) was widely recognized as one of the greatest composers in the history of Western music.

Oxalic acid is manufactured using sawdust. The heating of sawdust with Potassium hydroxide (KOH) results in the production of oxalic acid.

An amalgam is an alloy of mercury with another metal. It may be a liquid, a soft paste or a solid, depending upon the proportion of mercury.

In baseball, the pitcher is the player who pitches the baseball from the pitcher's mound toward the catcher to begin each play, with the goal of retiring a batter, who attempts to either make contact with the pitched ball or draw a walk.

Barometers are used to predict the weather. A barometer measures air pressure. Sudden fall in barometer reading indicates stormy weather. Storms are created when a centre of low pressure develops with a system of high pressure surrounding it.

In order to be chosen a member of Parliament, a person must be a citizen of India and not less than 30 years of age in the case of Rajya Sabha and not less than 25 years of age in the case of Lok Sabha.

A secular state is one that does not confer any privilege or favour on any particular religion. In a secular state, no one gets punishment or there is no discrimination against people on the basis of religion s/he follows.

A prime cost is the total direct costs of production, including raw materials and labour. Indirect costs, such as utilities, manager salaries, and delivery costs, are not included in prime costs. The prime cost equation is equal to the cost of raw materials plus direct labour. All the prime costs are variable costs and they are directly attributable. They do not include indirect variable costs and any fixed costs.

White and black combination of colours is the most convenient during day and night time. Black text on a white background is best, since the colour properties and light are best suited for the human eye. That's because white reflects every wavelength in the colour spectrum.

Indonesia is the largest archipelago in the world. It consists of five major islands and about 30 smaller groups. There are total number of 17,508 islands of which about 6000 are inhabited.

Pokhran is located in the Jaisalmer district of Rajasthan. It is a remote location in the Thar Desert region and served as the test site for India's first underground nuclear weapon (Pokhran-I, 1974), ballistic missiles. The Pokhran-II tests were conducted by India at Indian Army's Pokhran Test Range in May 1998.

The Rashtrapati Bhavan is the official residence of the President of India at the western end of Rajpath in New Delhi, India. It was the creation of Sir Edwin Lutyens and Herbert Baker.

The word “Muhajir” simply means an immigrant or refugee in Urdu. Muhajir is the Urdu-speaking segment of Pakistan's population, whose elders migrated from India during Partition in 1947 and they are primarily concentrated in urban Sindh.