3901: Consider the following statements :
Glass can be etched or scratched by
I. diamond.
II. hydrofluoric acid.
III. aquaregia.
IV. cone, sulphuric acid.
Which of these statements are correct ?
(a) I and IV
(b) II and III
(c) I and II
(d) II and IV
3902: Which one of the following has legalised euthanasia ?
(a) Texas in the USA
(b) Northern Territory in Australia
(c) Quebec in Canada
(d) Maharashtra in India
3903: Assertion (A):
The Battle of Khanua was certainly more decisive and significant than the First Battle of Panipat.
Reason (R):
Rana Sanga, the Rajput hero, was certainly a more formidable adversary than Ibrahim Lodi.
(a) Both A and R are individually true, and R is the correct explanation of A
(b) Both A and R are individually true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is fasle, but R is true
3904: Black Pagoda is in:
(a) Egypt
(b) Konark
(c) Madurai
(d) None of these
3905: Terrace cultivation is practised mostly
(a) In urban areas
(b) On slopes of mountains
(c) On tops of hills
(d) In undulating tracts