1246: Atmospheric temperature increases at the higher altitudes due to:
(a) Convection
(b) Radiation
(c) Conduction
(d) Inversion
1247: Which one of the following Venn diagrams correctly illustrates the relationship among the classes: Carrot, Food, Vegetable ?
1248: The time taken by the sun to revolve around the centre of our galaxy is
(a) 25 million years
(b) 100 million years
(c) 250 million years
(d) 500 million years
1249: Write the correct chronological order of the following events
A. Shifting of capital from Delhi to Daulatabad
B. First Battle of Panipat
C. Second Battle of Tarain
(a) A, B, C
(b) C, A, B
(c) C, B, A
(d) A, C, B
1250: The conclusion that Asia and Africa had a single landmass is provided by:
(a) The deserts in Asia and Africa
(b) The similarity in climate of certain regions of Asia and Africa
(c) The finding of same type of fossil in both the regions
(d) All of these