if i scored 78% or below,then i am eligible to take science stream in11th or not?

yes you can take science stream

hi sonavc, yes you can take admssion any courses dnt worry about that...always rember that percentage not matters now..if u have depth knowldge or curious to knw about ur filed of interst you will be successfull..all the best

ya yaar nw a day education is so poor that afer 2nd divison u can opt science but in okclg. not in good