11)Sound produced with obstruction of air ?
I chose "diphthongs" but later I came to know right option was other,don't remember right now.
(It was consonant perhaps)
12)Semantics meaning ?
I chose "to relate" but I came to know that it's "Study of meanings"
(yes study of meanings)
I chose "Drama" but it's not confirm.Kindly confirm it
(I chose poetry) 
38)Prospero was protagonist of ?
Pata nae
(The Tempest)
41) Treatise on liberty written by ?
JS Mill (I think)
I chose Oscar wilde but not sure.
42)Figure of speech,exaggeration for emphasis ?
Rhetoric (It was hyperbole i think)
47)First writer of Picaresque novel ?
I chose Thackeray.Kindly confirm it.
(It was Fielding i think)
49)Bacon was intellectually great but morally weak.Who said this ?
I chose Dryden.Confirm it please
(I wrote POPE)
51)Nothing is beneath science,nor above science.who said ?
I chose Russell
(I chose Aristotle)
55)Donne's faith ?
Protestant (Donne was catholic, and he started writing against it to survive as far as i remember)
56)John Keats gave up career of ____ to become a poet
I chose "farming" but people say "medicine"
Yes medicine is correct.
57) Poet who studied at Cambridge but got no degree ?
pata nae
(ST Colerdige)
61)Shakespeare comedy rival ?
I chose Lily.Confirm it
(I think it was Benson)
64)Who emerged as philosopher in "Merchant of Venice" ?
I chose cordelia but it's wrong,I'm sure
(I wrote Portia)
65) Which play started with incident of ship wreck ?
I chose "King lear".Not confirm
(I dont remember what i chose)
66)Sir Gwain and Green knight poems were written in ___ age
I chose Victorian but not sure.
(I think is was written 1200-1285)
67)Process of introducing new words ?
I chose Coinage.Please confirm it
(Its correct I think) 
68)War between flesh and spirit in which novel of Hardy ?
I chose "the return of the native",not confirm
(I think it was other i dont remember)
69)Norman conquest in ?
(1066)
Correct, if wrong plz