Who among the following scientists received the Nobel Prize for physiology and medicine for discovery of a bacterium, Helicobacter Pylori which was responsible for peptic ulcers?

Correct option is B

The correct answer is (B) Robin Warren and Barry Marshall.

Explanation:
Robin Warren and Barry Marshall won the Nobel Prize in Physiology or Medicine in 2005 for discovering Helicobacter pylori and its role in causing peptic ulcers. Their discovery disproved the earlier belief that ulcers were caused by stress or spicy food.

Information Booster:

• Nobel Prize Year: 2005
• Discovery Impact: Led to the development of antibiotic treatments for ulcers.
• Ministry:Ministry of Health and Family Welfare (India)
• Minister:Jagat Prakash Nadda (as of 2025)

Additional Information:

• James P. Allison and Tasuku Honjo – Awarded the 2018 Nobel Prize for cancer immunotherapy, not Helicobacter pylori.
• William C. Campbell and Satoshi Ōmura – Awarded the 2015 Nobel Prize for their work on parasitic diseases, not Helicobacter pylori.
• Bruce A. Beutler and Jules A. Hoffmann – Awarded the 2011 Nobel Prize for discoveries in innate immunity, not Helicobacter pylori.