Questions

Photosynthesis is a process used by plants and other organisms to convert light energy into chemical energy that can later be released to fuel the organisms activities.

No work done as there is no external external pressure in free expansion. 

Hence, Work done in a free expansion process is Zero.

Digital payments firm Paytm has partnered with China's Alibaba to launch AI-based cloud computing platform 'Paytm AI Cloud'.

The platform will offer business-centric apps to developers, startups and enterprises that need cloud-computing solutions including customer engagement and easy-to-integrate payments.

Hypnosis is a state of human consciousness involving focused attention, reduced peripheral awareness, and an enhanced capacity to respond to suggestion.

Phosphorescence is a phenomenon associated with an algal division called euglenophytes. 

Phosphorescence is a phenomenon when an object is capable of releasing photons of light at a longer wavelength in response to absorbing light of a shorter wavelength. The object releasing the light only releases the light after some time has passed since it absorbed the light of a short wavelength.

Euglenophytes are single-celled plant-like protists that have no cell wall.

Head Quaters of NATO is located in Brussels