Mixed GK

Earth's gravity is strongest at the surface (9.8 m/s²) and requires enormous energy to overcome during takeoff. The rocket must achieve ~11.2 km/s (escape velocity) to break free. Moon's gravity is only 1/6th of Earth's and requires much less energy. Re-entry uses atmospheric drag, not rocket power.

Kamini (KAlpakkam Mini) is a 30kWt research reactor located at Indira Gandhi Centre for Atomic Research (IGCAR) in Kalpakkam, Tamil Nadu. It is the only reactor in the world using U-233 fuel and operates on the thorium fuel cycle.

The Simon Commission (1927) was officially called the Indian Statutory Commission. It was formed to report on India's constitutional progress and make recommendations. It had seven members, all British, with no Indian representation, which led to nationwide protests.

Vardhamana was Mahavira's birth name before he attained enlightenment and became the 24th Tirthankara of Jainism. The name Vardhamana means 'one who grows' or 'one who increases'. He was born into a royal family in what is now Bihar.

Rabindranath Tagore wrote 'The Religion of Man' (published 1931), which is a collection of his lectures and philosophical thoughts on humanism, spirituality, and his vision of a universal religion that transcends traditional religious boundaries.

Lala Hardayal formed the Ghadar Party in 1913 in San Francisco, USA. The party aimed to organize Indians abroad (especially in North America) to fight for India's independence from British rule through armed rebellion. It published 'The Ghadar' newspaper and inspired many revolutionaries.

The Government of India Act 1935 separated Burma from India with effect from April 1, 1937. Burma had been a province of British India since 1852, but this act granted it separate provincial status.

The Kailasa temple at Ellora (Cave 16) is a massive rock-cut monument dedicated to Lord Shiva. It was built by the Rashtrakuta king Krishna I in the 8th century and is considered one of the most remarkable rock-cut structures in the world.

Udham Singh traveled to England in 1940 and assassinated Michael O'Dwyer (not Dyer, who died in 1927) to avenge the Jallianwala Bagh massacre of 1919. O'Dwyer was the Lieutenant Governor of Punjab at the time of the massacre and had supported Dyer's actions.

The States Reorganisation Act of 1956, based on the States Reorganisation Commission's recommendations, came into effect on November 1, 1956. It redrew India's internal boundaries along linguistic lines, creating states like Kerala, Mysore (now Karnataka), and others.

Mahatma Gandhi immediately withdrew the Non-Cooperation Movement (1920-22) after the Chauri-Chaura incident of February 5, 1922, where protesters set fire to a police station killing 22 policemen. Gandhi felt the movement had turned violent and strayed from its non-violent principles.

Sardar Vallabhbhai Patel is often compared to Otto von Bismarck of Germany. Both were master unifiers: Bismarck unified various German states into the German Empire in 1871, while Patel integrated over 550 princely states into the Indian Union after independence.

The Western Ghats are primarily covered with tropical evergreen and semi-evergreen forests, though tropical moist deciduous forests also occur in areas with lower rainfall. The term 'Tropical' in the options refers to the tropical forest type that characterizes this mountain range.

Sandstone is a sedimentary rock composed of sand-sized mineral particles or rock fragments. It has significant porosity (typically 10-30%) and permeability due to the spaces between grains. In contrast, basalt, granite, and slate are much denser with very low porosity, making sandstone the most porous option.

Myanmar (formerly Burma) is called the 'Land of Pagodas' due to the thousands of Buddhist pagodas and temples scattered across the country. The golden Shwedagon Pagoda in Yangon is one of the most famous examples. The country's rich Buddhist heritage is reflected in this architectural landscape.

Sikkim and West Bengal are the two states that share borders with both Nepal and Bhutan. Sikkim is sandwiched between Nepal (west) and Bhutan (east), while West Bengal's northern tip touches both countries through the Siliguri corridor (the 'Chicken's Neck').

Pluto is no more considered as a planet.

Lhasa, the capital of Tibet (Autonomous Region of China), is situated at approximately 3,656 meters (11,990 ft) above sea level. This is significantly higher than Kathmandu (1,400m), Thimphu (2,300m), or Gartole, making Lhasa the city at the highest altitude among the options.

The Kalahari Desert is primarily located in Botswana, but it also extends into parts of South Africa, Namibia, and Angola. Since South Africa is one of the countries where the Kalahari is located, option A is correct. The Kalahari is a semi-arid sandy savanna, not a true desert.

The 1907 Surat session of the Indian National Congress witnessed a historic split between the Moderates and the Extremists. The Extremists, led by Bal Gangadhar Tilak, wanted more aggressive methods, while Moderates preferred constitutional approaches. This split weakened the Congress temporarily.

Mars Pathfinder was a NASA mission launched in December 1996 that successfully landed on Mars in July 1997. It included the Sojourner rover, the first wheeled vehicle to explore another planet. Voyager, Discovery, and Columbia were spacecraft with different missions - Voyager for outer planets, Discovery for various missions, and Columbia was a space shuttle.

Dr. Katakshamma is documented as the first woman Bishop in India. This represents a significant milestone in religious leadership and gender equality in India. The other options refer to different positions in Indian public life.

Lord Dalhousie introduced postage stamps in India in 1854 as part of his modernization initiatives. This postal reform made communication more efficient and standardized. The first stamp featured Queen Victoria's portrait. Dalhousie's tenure (1848-1856) saw major infrastructure and administrative reforms.