Not, Viruses are not considered "alive" because they lack many of the properties that scientists associate with living organisms. Primarily, they lack the ability to reproduce without the aid of a host cell, and don't use the typical cell- division approach to replication.
Scientists have tested all the information that this is all about
Well when you perform this action you are using some percentage of the sunlight energy as you obtained it from a food that either came from a plant source or an animal source. Also plants are able to make their own food using sunlight i.e
Plants give energy to animals and animlas give energy to humans
or
Plants give energy to humans.
Hope this helps :).