Which of the following scientists is credited with the development of the first successful polio vaccine? [#1300]

Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

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Jonas Salk developed the inactivated poliovirus vaccine (IPV) in 1955, which was the first effective vaccine against polio. Salk's vaccine led to a significant reduction in polio cases and paved the way for global efforts to eradicate the disease.

As of 2021, Arunachal Pradesh has the lowest population density in India at 17 people per square kilometer. The national capital has the highest population density at 11,320 people per square kilometer.

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As of 2021, Arunachal Pradesh has the lowest population density in India at 17 people per square kilometer. The national capital has the highest population density at 11,320 people per square kilometer.

Chandragupta Maurya was the founder of the Mauryan Empire in ancient India, who ruled from 322 to 298 BCE. He was a key figure in Indian history, known for his military conquests and administrative reforms.

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Chandragupta Maurya was the founder of the Mauryan Empire in ancient India, who ruled from 322 to 298 BCE. He was a key figure in Indian history, known for his military conquests and administrative reforms.

The Pavlova is a meringue-based dessert named after the Russian ballerina Anna Pavlova, who toured Australia and New Zealand in the 1920s.

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The Pavlova is a meringue-based dessert named after the Russian ballerina Anna Pavlova, who toured Australia and New Zealand in the 1920s.

Bihar is the most densely populated state in India, with 1,102 people per square kilometer, according to 2011 census data. The next most densely populated states are West Bengal (1,028 people per square kilometer) and Kerala (860 people per square kilometer).

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Bihar is the most densely populated state in India, with 1,102 people per square kilometer, according to 2011 census data. The next most densely populated states are West Bengal (1,028 people per square kilometer) and Kerala (860 people per square kilometer).

A monopoly market, in simple terms, means a single seller selling a unique product. The seller dominates the market by offering a unique product, setting its own prices, and high barriers restricting new entrants.

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A monopoly market, in simple terms, means a single seller selling a unique product. The seller dominates the market by offering a unique product, setting its own prices, and high barriers restricting new entrants.

Charles Darwin's groundbreaking book, "On the Origin of Species" (1859), introduced the concept of evolution through natural selection, revolutionizing our understanding of the natural world and the diversity of life on Earth.

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Charles Darwin's groundbreaking book, "On the Origin of Species" (1859), introduced the concept of evolution through natural selection, revolutionizing our understanding of the natural world and the diversity of life on Earth.

AGMARK is a certification mark for agricultural produce, assuring that they conform to a grade standard notified by Directorate of Marketing & Inspection (DMI), Department of Agriculture, Cooperation and Farmers Welfare, Ministry of Agriculture & Farmers Welfare under Agricultural Produce (Grading Marking) Act, 1937.

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AGMARK is a certification mark for agricultural produce, assuring that they conform to a grade standard notified by Directorate of Marketing & Inspection (DMI), Department of Agriculture, Cooperation and Farmers Welfare, Ministry of Agriculture & Farmers Welfare under Agricultural Produce (Grading Marking) Act, 1937.

The Statue of Unity is located in the Kevadiya colony in Gujarat, India, on Sadhu-Bet Island in the Narmada River, facing the Sardar Sarovar Dam. It is about 100 kilometers (62 miles) southeast of Vadodara, and 3.5 kilometers downstream from the dam. The statue is 182 meters tall and is a tribute to Sardar Vallabhbhai Patel, one of India's most important leaders.

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The Statue of Unity is located in the Kevadiya colony in Gujarat, India, on Sadhu-Bet Island in the Narmada River, facing the Sardar Sarovar Dam. It is about 100 kilometers (62 miles) southeast of Vadodara, and 3.5 kilometers downstream from the dam. The statue is 182 meters tall and is a tribute to Sardar Vallabhbhai Patel, one of India's most important leaders.

The Aam Aadmi Party is a political party in India. It was founded on 26 November 2012 by Arvind Kejriwal and his then-companions, following the 2011 Indian anti-corruption movement.

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The Aam Aadmi Party is a political party in India. It was founded on 26 November 2012 by Arvind Kejriwal and his then-companions, following the 2011 Indian anti-corruption movement.

The Kyaiktiyo Pagoda, also known as the Golden Rock, is located in Myanmar's Mon State, at the top of Mount Kyaiktiyo, about 124 miles (200 kilometers) from Yangon. The pagoda is a small structure (24 ft) built on a granite boulder covered in gold leaves that were attached by male worshippers. It's a significant pilgrimage site for Buddhists and is considered one of the world's most important for the religion.

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The Kyaiktiyo Pagoda, also known as the Golden Rock, is located in Myanmar's Mon State, at the top of Mount Kyaiktiyo, about 124 miles (200 kilometers) from Yangon. The pagoda is a small structure (24 ft) built on a granite boulder covered in gold leaves that were attached by male worshippers. It's a significant pilgrimage site for Buddhists and is considered one of the world's most important for the religion.