4231: Optical fibre works on the principle of
(a) total internal reflection
(b) refraction
(c) scattering
(d) interference
4232: Who had founded the Asiatic Society of Bengal in 1784?
(a) Lord Clive
(b) Lord Warren Hastings
(c) Queen Victoria
(d) William Jones
4233: Ice cubes are floating in a glass of water. When the ice cubes melt, the water level in the glass:
(a) Will first increase and then start decreasing
(b) Will first decrease and then start increasing
(c) Will remain unchanged
(d) Will increase
4234: With what purpose is the Government of India promoting the concept of "Mega Food Parks" ?
1. To provide good infrastructure facilities for the food processing processing industry.
2. To increase the processing of perishable items and reduce wastage.
3. To provide emerging and eco-friendly food processing technologies to entrepreneurs.
Select the correct answer using the codes given below:
(a) 1 only
(b) 1 and 2 only
(c) 2 and 3 only
(d) 1, 2 and 3
4235: Which of the following Parties were not a part of the United Front which was in power during 1996-97 ?
I. Bahujan Samaj Party
II. Samata Party
III. Haryana Vikas Party
IV. Asom Gana Parishad
Select the correct answer using the codes given below:
Codes :
(a) I, II, III and IV
(b) I, II and III
(c) III and IV
(d) I and II