61. 

Which of the following is concerned with the description and mapping of the main features of the universe?

A. Cosmography
B.

ब्रह्मांड विज्ञान

C.

भू-आकृति विज्ञान

D.

इनमे से कोई नहीं


62. 

The points in the ecliptic farthest north and south of the celestial equator are called

A. summer and winter solstices
B.

शरत्काल और वसंत विषुव

C.

उत्तर खगोलीय ध्रुव और दक्षिण आकाशीय ध्रुव

D.

इनमे से कोई भी नहीं


63. 

The process that creates the deep oceanic trenches is called

A. plate tectonics
B. sea floor spreading
C. continental drift
D. isostasy

64. 

The rainfall in the peninsular interior averages about

A. 650 mm a year
B.

750 mm a year

C.

850 mm a year

D.

550 mm a year


65. 

The Palaeozoic era contains ____ time periods.

A. six
B.

C.

D.