Mixed GK Test

Vinegar contains approximately 5-8% acetic acid by volume, which gives it its characteristic sour taste and pungent smell. Acetic acid is produced through the fermentation of ethanol by acetic acid bacteria, converting alcohol into this weak organic acid.

Deep litter and cage systems are two common housing methods used in poultry farming for egg and meat production. The deep litter system allows birds to move freely on bedding material that accumulates, while cage systems house birds in individual wire compartments for better space utilization and easier management.

When milk is churned, centrifugal force causes the lighter cream (fat) to separate from the denser skim milk. The spinning motion pushes the heavier milk outward while the lighter cream collects, allowing it to be removed - this is the same principle used in mechanical cream separators.

Dr. Norman E. Borlaug received the Nobel Peace Prize in 1970 for developing high-yielding, disease-resistant wheat varieties through the Green Revolution. His work in Mexico, India, and Pakistan helped prevent famine and saved hundreds of millions of lives by dramatically increasing food production.

The World Trade Organization (WTO) is the international body that regulates trade between nations. One of its core principles is promoting the free flow of capital, goods, and services across borders by reducing trade barriers like tariffs and quotas. This liberalization is fundamental to WTO's mission of ensuring smooth, predictable, and free trade flows.

Fermentation is the biological process where microorganisms like Lactobacillus bacteria convert milk into curd. These bacteria produce lactic acid, which causes milk proteins (casein) to coagulate and form the thick, solid texture of curd. Oxidation involves electron loss, dehydration removes water, and hydrogenation adds hydrogen - none of these describe curd formation.

Freon (chlorofluorocarbon or CFC) was the most widely used refrigerant in domestic refrigerators and cold storage facilities for decades due to its excellent thermodynamic properties. Neon is a noble gas used in lighting, while crypton (likely a misspelling of krypton) is another noble gas. Freon has been largely phased out due to ozone depletion concerns, but it was the standard refrigerant when this question was framed.

The Durand Cup, Asia's oldest football tournament, was first held in 1888 in Shimla. It was started by Sir Mortimer Durand to promote British-Indian football relations. The tournament has continued since then, making it one of the world's oldest surviving football competitions. The other dates (1891, 1895, 1900) are incorrect.

The Central Food Technological Research Institute (CFTRI), India's premier research organization for food science and technology, is headquartered in Mysore (now Mysuru), Karnataka. It was established in 1950 and operates under the Council of Scientific and Industrial Research (CSIR). CFTRI conducts research on food processing, preservation, and nutrition.

Dayana Mendoza from Venezuela won the Miss Universe 2008 pageant, representing her country at the international competition held in Vietnam. She was the seventh Venezuelan to win the Miss Universe title. The distractors include fictional names (Dayana Soofi) and a real author (Mayank Austen Soofi) who has no connection to pageants.

Indira Jaising, a prominent Indian lawyer and human rights advocate, was elected to the UN Committee on the Elimination of Discrimination Against Women (CEDAW) in 2009. She has been a pioneer in women's rights litigation in India. Mayank Austen Soofi is a writer, and Dayana Mendoza is a beauty queen - neither has served on UN committees.

Dr. Ram Baran Yadav was elected as the first President of the Federal Democratic Republic of Nepal in 2008 after Nepal abolished its monarchy and became a republic. He served from 2008 to 2015. The other names listed are not associated with Nepal's presidency.

Ashwini Kumar succeeded Vijay Shanker Tiwari as the Director of the Central Bureau of Investigation (CBI). This is a straightforward factual question about leadership succession in India's premier investigating agency. Navanethem Pillay is associated with the UN, and Ram Baran Yadav was Nepal's president.

Navanethem Pillay from South Africa served as the UN High Commissioner for Human Rights from 2008 to 2014, which includes the year 2011 mentioned in the question. She was a respected judge and human rights advocate. The other names listed are not associated with this position.

Jaipal Reddy served as the Cabinet Minister for Petroleum and Natural Gas in 2012 during the UPA government. He held this portfolio from 2011 to 2012. Navanethem Pillay is a UN official, Ashwani Kumar was a Minister of State for Law, and R.S. Pandey was a bureaucrat - none held the Petroleum Minister position in 2012.

Rohit Saran took over as editor of Business Today after Sanjoy Narayan's tenure. This was a significant leadership transition in Indian business journalism. The other options (Rohit Sharma, Rohit Sen, Rohit Sarkar) are similar-sounding names but not the correct successor.

WL Ross & Company, founded by Wilbur Ross, invested Rs. 345 crore (approximately $80 million) in SpiceJet when the budget airline was struggling with high fuel costs. This was a crucial financial injection during a turbulent period for the airline. Kingfisher Airlines, Jet Airways, and Air India were not the recipients of this specific investment.

Parsvnath Developers acquired a 38% stake in Sabeer Bhatia's Nanocity project, which was planned to be developed near Panchkula in Haryana. The project was envisioned as a knowledge city spread across 11,000 acres. Sirsa, Ganganagar, and 'None of these' are incorrect locations for this specific project.

Sanjoy Narayan was appointed as the editor-in-chief of Hindustan Times by HT Media Ltd., marking a significant leadership position in Indian English journalism. The other options (Sanjay Sharma, Sanjay Sen, Rohit Sarkar) are not the correct appointees for this role.