एक की वर्तनी शुद्ध

Who coined the term "Zeroth Law of Thermodynamics" in 1931?

Which blood group has no antibodies?

Consider the following statements in regards to BharOS:

1.  It is developed by JandK Operations Private Limited

Which principle allows chalk to write on a blackboard?

How does refrigeration assist in food preservation?

Choose the correct statements regarding the process of photosynthesis. 

Which company launched the inaugural batch of satellites with "Direct-to-Cell" technology?

What is the role of Ultraviolet Radiation    (UV)  in the water purification systems?

Approximately how old is the Sun? 

Which gland in the human body is also known as the "third eye"?