31. The shape of earth is

sphere
oblate spheroid
circular
spheroid

Detailed SolutionThe shape of earth is

32. The right ascension is the equivalent of longitude on the celestial sphere, and it is given in the units of

degrees
time-hours, minutes and seconds
only hours
only seconds

Detailed SolutionThe right ascension is the equivalent of longitude on the celestial sphere, and it is given in the units of

33. The largest dune files are found in

Middle East
North Africa
both (a) and (b)
None of the above

Detailed SolutionThe largest dune files are found in

34. The main period of Mesozoic era include

Triassic period and Cretaceous period
Jurassic period and Triassic period
Triassic period, Jurassic period and cretaceous period
cretaceous period and Jurassic period

Detailed SolutionThe main period of Mesozoic era include

35. The transport of warm air toward the poles and cold air toward the equator is due to

the temperature gradient
the development of waves
the latitude difference
the longitude difference

Detailed SolutionThe transport of warm air toward the poles and cold air toward the equator is due to

36. The highest average salinity amongst the following seas is reported from

Dead Sea
Red Sea
Black Sea
Mediterranean Sea

Detailed SolutionThe highest average salinity amongst the following seas is reported from

37. The religion of Afghanistan is

Islam
Buddhism
Hinduism
Christianity

Detailed SolutionThe religion of Afghanistan is

38. The rate of infiltration normally declines rapidly during the early part of rainstorm event and reaches a constant value after several hours of rainfall. The factors responsible for this phenomenon are I. the filling of fine soil pores with water, which reduces capillary forces II. moistened soil, clay particles to swell and reduce the size of pores III. raindrop impact breaking up with soil clumps, splashing fine particles into pores

I, II
I, III
II, III
All of the above

Detailed SolutionThe rate of infiltration normally declines rapidly during the early part of rainstorm event and reaches a constant value after several hours of rainfall. The factors responsible for this phenomenon are I. the filling of fine soil pores with water, which reduces capillary forces II. moistened soil, clay particles to swell and reduce the size of pores III. raindrop impact breaking up with soil clumps, splashing fine particles into pores

39. The magnetic field of earth, Magnetosphere expands to about

9600 km above the earth's surface
8000 km above the earth's surface
64,000 km above the earth's surface
None of the above

Detailed SolutionThe magnetic field of earth, Magnetosphere expands to about

40. The layer of the earth, immediately below the crust, is called

outer core
inner core
inner mantle
outer mantle

Detailed SolutionThe layer of the earth, immediately below the crust, is called