1)    The scientist who developed radiocarbon dating, or carbon-14 dating, the scientific method that can accurately determine the age of organic materials as old as approximately 60,000 years:

A) Emily Kern

B) Willard Libby

C) Alexander Catlin Twining

D) Fritz Strassmann

Willard Libby developed the radiocarbon dating technique in the late 1940s. He was awarded the Nobel Prize in Chemistry in 1960 for this revolutionary method, which accurately determines the age of ancient organic materials by measuring their content of carbon-14.

Ans)  B) Willard Libby


2)    According to Article 359 of Indian Constitution, which articles of it cannot be eliminated under any circumstances, even during an emergency?

A) Articles 20 and 21

B) Articles 23 and 24

C) Articles 30 and 31

D) Articles 12 to 35.

Article 359 of the Indian Constitution allows the President to suspend the enforcement of many fundamental rights during an emergency. However, after the 44th Constitutional Amendment, Articles 20 (Protection in respect of conviction for offences) and 21 (Protection of life and personal liberty) cannot be suspended under any circumstances, even during an emergency.

Ans)   A) Articles 20 and 21