1346: Optical fibre works on the principle of

(a) total internal reflection

(b) refraction

(c) scattering

(d) interference
1347: The head of the military department under the reorganised central machinery of administration during Akbar's reign was

(a) Diwan

(b) Mir Bakshi

(c) Mir Saman

(d) Bakshi
1348: Which one of the following can be classified as a 'Pratiloma Marriage'?

(a) A Brahmin girl marrying a Sudra boy

(b) A Sudra girl marrying a Brahmin boy

(c) A Brahmin girl marrying a Brahmin boy

(d) None of these
1349: Consider the following countries:
1. Albaina
2. Bosnia Herzegovina
3. Croatia
4. Macedonia
Which of these countries has/have Adriatic Sea as a boundary?
(a) 1 and 2
(b) 1, 2 and 3
(c) 4 only
(d) 3 and 4
1350: Who among the following founded Ramakrishna Mission?

(a) Swami Dayanand Saraswati

(b) Raja Rammohan Roy

(c) Swami Vivekananda

(d) None of these