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.

Indira Point is located on Great Nicobar Island in the Andaman and Nicobar Islands, which are in the eastern Indian Ocean. It's the southernmost point of India, and its coordinates are 6°45'10″N and 93°49'36″E.

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Indira Point is located on Great Nicobar Island in the Andaman and Nicobar Islands, which are in the eastern Indian Ocean. It's the southernmost point of India, and its coordinates are 6°45'10″N and 93°49'36″E.

Robert Bruce was a British colonial official who is credited with introducing the tea industry to Assam in the 19th century. He discovered the wild tea plants growing in the region and recognized the potential for tea cultivation. His efforts led to the establishment of the first tea gardens in Assam, which eventually made the region one of the largest tea-producing areas in the world.

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Robert Bruce was a British colonial official who is credited with introducing the tea industry to Assam in the 19th century. He discovered the wild tea plants growing in the region and recognized the potential for tea cultivation. His efforts led to the establishment of the first tea gardens in Assam, which eventually made the region one of the largest tea-producing areas in the world.

The Chail Cricket Ground in Himachal Pradesh is the highest cricket ground in the world, sitting at 2,444 meters (7,500 feet) above sea level. Built in 1893 by the Maharaja of Patiala, Bhupinder Singh, the ground is also used for polo.

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The Chail Cricket Ground in Himachal Pradesh is the highest cricket ground in the world, sitting at 2,444 meters (7,500 feet) above sea level. Built in 1893 by the Maharaja of Patiala, Bhupinder Singh, the ground is also used for polo.

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.

The Belgian franc was the currency of the Kingdom of Belgium from 1832 until 2002 when the Euro was introduced. It was subdivided into 100 subunits, each known as a centiem in Dutch, or centime in French and German.

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The Belgian franc was the currency of the Kingdom of Belgium from 1832 until 2002 when the Euro was introduced. It was subdivided into 100 subunits, each known as a centiem in Dutch, or centime in French and German.

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.

India first hosted the Commonwealth Games in 2010. The event, officially known as the XIX Commonwealth Games, was held in Delhi from October 3–14, 2010. It was the first time the Games were held in a Commonwealth republic and only the second time in Asia, after Kuala Lumpur in 1998.

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India first hosted the Commonwealth Games in 2010. The event, officially known as the XIX Commonwealth Games, was held in Delhi from October 3–14, 2010. It was the first time the Games were held in a Commonwealth republic and only the second time in Asia, after Kuala Lumpur in 1998.

The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

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The Southwest Monsoon is responsible for most of the rainfall in India, bringing over 75% of the country's annual precipitation. It lasts from June to September. The Southwest Monsoon winds originate from the Arabian Sea and the Bay of Bengal.

The Indian Institute of Science (IISc) is a public, deemed, research university for higher education and research in science, engineering, design, and management. It is located in the southern Indian city of Bangalore, Karnataka.

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The Indian Institute of Science (IISc) is a public, deemed, research university for higher education and research in science, engineering, design, and management. It is located in the southern Indian city of Bangalore, Karnataka.

Plant : Pesticide

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Plant : Pesticide