Today’s GK Test Quiz

The Space Shuttle Columbia disaster was a fatal incident in the United States space program that occurred on February 1, 2003, when the Space Shuttle Columbia disintegrated as it reentered the atmosphere, killing all seven crew members including Indian astronaut Kalpana Chawla.

The average heartbeat rate per minute in a normal person is 72. A normal resting heart rate for adults ranges from 60 to 100 beats per minute. Generally, a lower heart rate at rest implies more efficient heart function and better cardiovascular fitness.

The best wavelengths of visible light for photosynthesis fall within the blue range (425–450 nm) and red range (600–700 nm). Therefore, the best light sources for photosynthesis should ideally emit light in the blue and red ranges. Green light is the least effective in photosynthesis.

Brailing is the process of preventing the birds from flying. It is nothing but a piece of tiny ropes of clothes used to cover the bird's wing. So that the bird lost its balance to flight.

The gas that is used in the manufacture of vanaspati ghee is hydrogen. Hydrogenation is a process where manufacturers add hydrogen to a liquid fat, such as vegetable oil, to turn it into a solid fat at room temperature.

The atom bomb is discovered by German chemist Otto Hahn. He is referred to as the father of nuclear chemistry and godfather of nuclear fission. Hahn and Lise Meitner discovered radioactive isotopes of radium, thorium, protactinium and uranium.

Vinegar made by fermentation from cane sugar contains acetic acid. Vinegar is an aqueous solution of acetic acid and trace compounds that may include flavorings. It typically contains 5–8% acetic acid by volume. Usually, the acetic acid is produced by a double fermentation, converting simple sugars to ethanol using yeast, and ethanol to acetic acid by acetic acid bacteria.

A geosynchronous orbit is located at 35,786 km above Earth's equator. This position is a valuable spot for monitoring weather, communications and surveillance. Geosynchronous orbit is an Earth-centered orbit with an orbital period that matches Earth's rotation on its axis, 23 hours, 56 minutes, and 4 seconds.

Social justice is mentioned in the Preamble of the Constitution — “We the People of India... to secure to all its citizens: JUSTICE, social, economic and political...”.

Article 110 deals with money bills. The Speaker of the Lok Sabha has the final authority to determine whether a bill is a money bill or not. Recommendation of the President is mandatory before presenting the money bills in Parliament. Money Bills cannot be amended or rejected by the Rajya Sabha.

Lok Sabha Speaker gives the resignation to Deputy Speaker as per Article 94 (b) of the Constitution of India.

Natural rubber is cultivated in 16 states in India on a commercial scale. With over 600,000 hectares, Kerala tops rubber cultivation, followed by Tripura with over 85,038 hectares under plantation. Other major natural rubber producers are Karnataka, Tamil Nadu, Assam and other northeastern states.

National income means the value of goods and services produced by a country during a financial year. Thus, it is the net result of all economic activities of any country during a period of one year and is valued in terms of money.

After the recent (2020) mergers of government banks, there are a total of 12 nationalized banks in India. They are: Punjab National Bank, Bank of Baroda, Bank of India, Central Bank of India, Canara Bank, Union Bank of India, Indian Overseas Bank, Punjab and Sind Bank, Indian Bank, UCO Bank, Bank of Maharashtra and State Bank Of India.

Sir James Young Simpson discovered the anesthetic properties of chloroform and pioneered its application in surgery and midwifery. The first narcosis with chloroform was performed by Simpson on himself on November 4, 1847.

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.

Shivaswami Iyer examined the Simon commission Report and said that this report should be thrown on a heap of rubbish. He was a prominent lawyer, administrator and statesman who served as the Advocate General of Madras from 1907 to 1911.

The two states which had non-Congress Ministries in 1937 were Bengal and Punjab. In Bengal, Muslim league and Krishak Praja party made the government and in Punjab, the government was made by the Unionists and Muslim league after the elections.

The penetrating power is the amount of energy that is absorbed depending on the type of radiation and the type of absorbing material. Alpha Rays have the least penetrating power as they are massive in nature. Gamma rays are the most penetrating of all the radiations.

An initial public offering (IPO) refers to the process of offering shares of a private corporation to the public in a new stock issuance. Public share issuance allows a company to raise capital from public investors.