Why are these answers wrong?

A Student who got 0% Marks, was surprised because his all answers were seemingly correct!
Do you feel that he was wrongly penalised?
Q.1- In which battle did Tipu Sultan Die ?..
Ans.- In his Last Battle..
Q.2- Where was the Declaration of Independence Signed?
Ans.- At the Bottom of the Page..
Q.3- What is the Main Reason for Divorce ?..
Ans.- Marriage..
Q.4- Ganga Flows in which State ?..
Ans.- Liquid State..
Q.5- When was Mahatma Gandhi Born ?..
Ans.- On His Birthday..
Q.6- How will you Distribute 8 Mangoes among 6 People ?..
Ans.- By Preparing Mango Shake..!!
Q.7-India Me saal bhar Sabse Zyada Baraf Kaha Girti Hai...???..
Awesome Reply By Student:- .."Daaru K Glass Me..."