Mixed GK

Incandescent bulbs are filled with inert gases like Argon or Nitrogen to prevent the filament from burning up due to oxidation. Nitrogen is a common choice among the options provided.

Ikebana is the traditional Japanese art of flower arrangement, also known as kado. Origami is paper folding, and Bonsai is the art of growing miniature trees.

The Palk Strait (correct spelling) separates India and Sri Lanka, connecting the Bay of Bengal to the Palk Bay. The question uses 'Pak Strait' which appears to be a spelling error for Palk Strait.

Vikram Sarabhai, the father of the Indian space program, made this prophetic statement regarding India's future in space exploration.

The Storting is the supreme legislature of Norway, located in Oslo.

Napoleon Bonaparte is credited with the quote: 'Give me good mothers and I will give you a good nation.'

Swami Vivekananda famously criticized the rigid caste practices and untouchability in India with the phrase: 'Our religion is in the kitchen. Our God is the cooking-pot, and our religion is, Don't touch me, I am holy.'

In stellar evolution, Red Giants are stars in the later stages of their life, while Blue Dwarfs are hypothetical stars that develop from red dwarfs as they exhaust their hydrogen.

This famous quote about reading is from the essay 'Of Studies' by the English philosopher Francis Bacon.

The Elysee Palace is the official residence of the President of the French Republic.

Udham Singh, an Indian revolutionary, assassinated Michael O'Dwyer (who oversaw the massacre) in London in 1940 to avenge the Jallianwala Bagh massacre.

Pepsin is a stomach enzyme that breaks down proteins into smaller peptides (peptones) during digestion.

Methyl alcohol affects the nervous system.

Bhutan is famously known as the 'Land of the Thunder Dragon' due to the violent thunderstorms that often roll in from the Himalayas.

Niccolo Machiavelli is the political philosopher most associated with the idea that the ends justify the means, as discussed in his work 'The Prince'.

Sofia is the capital and largest city of Bulgaria.

The formula to convert Celsius to Fahrenheit is F = (C * 9/5) + 32. Setting F = C gives C = (C * 9/5) + 32, which solves to -40 = C.

BALCO, INDAL, HINDALCO, and POSCO are all companies involved in the aluminium or steel/metal sectors. NELCO is a company primarily known for electronics and automation, not aluminium production.

China has the largest population in the world, which translates to the highest number of mobile phone users globally. India follows as the second largest market.

CTBT stands for the Comprehensive Nuclear-Test-Ban Treaty. It is an international agreement that bans all nuclear explosions for both civilian and military purposes.

The majority of the Indian labour force is traditionally engaged in the primary sector, specifically agriculture and cultivation. While other sectors are growing, agriculture remains the largest employer.

Rediffusion is a well-known Indian advertising agency. It is not involved in courier services, seed germination, or art schooling.

The Ramon Magsaysay Award is given for leadership and service. Vinoba Bhave, Kiran Bedi, and Ela Bhatt are all recipients. Rajiv Gandhi was never a recipient of this award.