Detailed SolutionThe mean surface temperature of the sun is estimated to be of the order of
World geography
5500°C
4000°C
2000°C
1000°C
Answer is Wrong!
Answer is Right!
22. The initial increase of magnetic field in magnetic storms is caused
when the shock wave, associated with the gusty solar wind, compresses the magnetosphere
when there is a large decrease in field intensity
when the gust wind itself engulfs the magnetosphere
None of the above
Answer is Wrong!
Answer is Right!
Detailed SolutionThe initial increase of magnetic field in magnetic storms is caused
23. The import of crude oil and petroleum done from national oil companies of producer countries, which have a net exportable surplus of oil is by
term contracts
term tenders
monthly tenders
All the above
Answer is Wrong!
Answer is Right!
24. The main objective of centrally sponsored Command Area Development programme is
improving the utilisation of irrigation potential
optimizing agricultural productivity and production from the irrigated area
both (a) and (b)
None of the above
Answer is Wrong!
Answer is Right!
Detailed SolutionThe main objective of centrally sponsored Command Area Development programme is
25. The sulphites are a mineral group that contain one or more metallic elements in combination with the sulphate compound ____
SO3
SO2
SO4
SO
Answer is Wrong!
Answer is Right!
26. The Rhine river of northern Europe empties into
the Baltic sea
the North sea
the Bay of Biscay
the Adriatic sea
Answer is Wrong!
Answer is Right!
Detailed SolutionThe Rhine river of northern Europe empties into
27. The process of soil development is called
leaching
illuviation
eluviations
pedogenesis
Answer is Wrong!
Answer is Right!
28. The model that describes how various geological processes create, modify and influence rock is called
water cycle
energy cycle
rock cycle
None of the above
Answer is Wrong!
Answer is Right!
29. Which of the following is most useful for measuring the shortest distance between two places on the earth and path between them?
Atlas map
Thematic maps
Wall maps
Globe
Answer is Wrong!
Answer is Right!
30. The highest mountains on earth namely Mount Everest, K2, Kanchenjanga are located in
the greater Himalayas
the Lesser Himalayas
the outer Himalayas
None of the above
Answer is Wrong!
Answer is Right!