1901: Endoscopy, a technique used to explore the stomach or other inner parts of the body is based on the phenomenon of
(a) total internal reflection
(b) interference
(c) diffraction
(d) polarisation
1902: The Palk Bay lies between
(a) Gulf of Kachchh and Gulf of Khambhat
(b) Gulf of Mannar and Bay of Bengal
(c) Lakshadweep and Maldive Islands
(d) Andaman and Nicobar Islands
1903: Assertion (A):
The United States of America has threatened to ask the World Trade Organisation (WTO) to apply sanctions against the developing countries for the non-observance of I.L.O conventions.
Reason (R):
The United States of America itself has adopted and implemented those I.L.O conventions.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is NOT a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
1904: Consider the following statements:
A 4-wheel vehicle moving a sharp circular path at high speed will
1. Overturn about its outer wheels
2. Overturn about its inner wheels
3. Skid outwards
4. Skid inwards
Which of these statements are correct?
(a) 1 and 3
(b) 2 and 4
(c) 2 and 3
(d) 1 and 4
1905: On 21st June, the Sun
(a) does not set below the horizon at the Arctic Circle
(b) does not set below the horizon at Antarctic Circle
(c) shines vertically overhead at noon on the Equator
(d) shines vertically overhead at the Tropic of Capricorn