Q44. Why are dewdrops not formed on a cloudy night?
(a) Clouds absorb the radiation released from the Earth’s surface.
(b) Clouds reflect back
Category:
UPSC Prelims
Q43. In the context of proposals to the use of hydrogen-enriched CNG (H-CNG) as fuel for buses in public transport, consider the following statements:
Q42. What is common to the places known as Aliyar, Isapur and Kangsabati?
(a) Recently discovered uranium deposits
(b) Tropical rainforests
Q41. Consider the following statements:
Agricultural soils release nitrogen oxides into the environment.
Cattle release ammonia into the environment.
Q40. Consider the following statements:
Under the Ramsar Convention, it is mandatory on the part of the Government of India to protect and conserve
Q39. In India, the use of carbofuran, methyl parathion, phorate and triazophos is viewed with apprehension. These chemicals are used as
(a) pesticides
Q38. Consider the following pairs:
Glacier River
Bandarpunch: Yamuna
Bara Shigri: Chenab
Q37. Among the following, which one is the largest exporter of rice in the world in the last five years?
(a) China
(b) India
(c) Myanmar
(d) Vietnam
Q36. Consider the following pairs:
Sea Bordering country
Adriatic Sea: Albania
Black Sea: Croatia
Caspian Sea: Kazakhstan
UPSC Prelims 2019 Q35. Consider the following:
Carbon monoxide
Methane
Ozone
Sulfur dioxide