History

Jabir bin Hayyan is widely regarded as the father of chemistry due to his pioneering work in alchemy and the development of early chemical processes. The other options are notable scholars but not credited with founding chemistry.

Trygve Lie was the first Secretary-General of the United Nations, serving from 1946 to 1952. The other options are either subsequent Secretaries-General or incorrect names.

Barack Obama was the 44th President of the United States, serving two terms from 2009 to 2017.

Barack Obama was awarded the Nobel Peace Prize in 2009 for his efforts to strengthen international diplomacy and cooperation between peoples. The other years listed are incorrect.

قلعہ اٹک کو مغل بادشاہ اکبر نے تعمیر کروایا تھا تاکہ وہ شمالی ہندوستان کی سرحدوں کی حفاظت کر سکے۔ یہ قلعہ اکبر کے دور حکومت میں ایک اہم دفاعی قلعہ تھا۔

قلعہ اٹک کو مغل بادشاہ اکبر نے 1581ء میں تعمیر کروایا تھا تاکہ وہ شمال مغربی سرحدوں کی حفاظت کر سکے۔ یہ قلعہ مغل دور کی اہم فوجی تعمیرات میں سے ایک ہے۔

Trygve Lie was the first Secretary-General of the United Nations, serving from 1946 to 1952. The other options are either subsequent Secretaries-General or incorrect names.

Barack Obama was the 44th President of the United States, serving two terms from 2009 to 2017. This is a well-documented historical fact.

Barack Obama was awarded the Nobel Peace Prize in 2009, primarily for his efforts to strengthen international diplomacy and cooperation between peoples. The other years listed are incorrect for this event.

The Simon Commission arrived in India on 3rd March 1928 to study constitutional reform. Therefore, option A is correct. The other dates are incorrect, and 'None of these' is not applicable.