681: Most-Favoured-Nations (MFN) clause under GATT implies
(a) most favour to some countries
(b) most favour to all countries
(c) no favour to any country
(d) no favour to some countries
682: Why are dewdrops not formed on a cloudy night?
(a) Clouds absorb the radiation released from the Earths surface.
(b) Clouds reflect back the Earths radiation.
(c) The Earths surface would have low temperature on cloudy nights.
(d) Clouds deflect the blowing wind to ground level.
683: Among the following, which were frequently mentioned in the news for the outbreak of Ebola virus recently?
(a) Syria and Jordan
(b) Guinea, Sierra Leone and Liberia
(c) Philippines and Papua New Guinea
(d) Jamaica, Haiti and Surinam
684: Sound waves travel at 300 m/s. Sound produced at a point is heard by a person after 5 seconds while the same sound is heard by another person after 6 seconds. What could be the maximum and minimum distances between the two persons?
(a) 1.8 km, 0.15 km
(b) 2.2 km, 0.20 km
(c) 2.8 km, 0.25 km
(d) 3.3 km 0.3 km
685: Dakshin Gangotri is a/an:
(a) River-valley project in Andhra Pradesh
(b) Unmanned station located in Antarctica for continuous weather and scientific recordings
(c) Second source of the river Ganga
(d) Island in the Indian Ocean near Antarctica