Questions

Here from the above options, Algae is an Autotroph.

Autotrophs : 

An Autotroph is also called as Producer, is an organism that produces complex organic compounds from simple substances present in its surroundings, generally using energy from light or inorganic chemical reactions.

From the given options, Though is the only word which gives sense for the sentence. Hence, Though pompous he was an entertaining person.

The first Indian woman to ever win an Olympic medal was Karnam Malleswari who won a bronze medal at the Sydney Olympics in the Women's 69 kg category in Weightlifting.

The constitution of United States prescribes that the Senate be composed of two senators from each state. As there are 50 states in USA, therefore there are 100 members in the United State Senate.