3416: Consider the following statements :
I. Most magmas are a combination of liquid, solid and gas.
II. Water vapour and carbon dioxide are the principal gases dissolved in a magma.
III. Basaltic magma is hotter than the silicic magma.
IV. The magma solidified between sedimentary rocks in a horizontal position is known as dike.
Which of these statements are correct ?
(a) I, II and III
(b) II, III and IV
(c) I and IV
(d) I, II and IV
3417: Which tax is not levied by the Central Government?
(a) Wealth tax
(b) Profession tax
(c) Income tax
(d) Excise duty
3418: Strips of two metals A and B are firmly joined together as shown in the figure.
3419: The provisions in Fifth Schedule and Sixth Schedule in the Constitution of India are made in order to
(a) protect the interests of Scheduled Tribes
(b) determine the boundaries between States
(c) determine the powers, authority and responsibilities of Panchayats
(d) protect the interests of all the border States
3420: What explains the eastward flow of the equatorial counter-current?
(a) The Earth's rotation on its axis
(b) Convergence of the two equatorial currents
(c) Difference in salinity of water
(d) Occurrence of the belt of calm near the equator