4226: Which of the following pairs are correctly matched?

Institute : Location

1. National Centers for Cell Sciences : Mysore
2. Center for DNA Fingerprinting and Diagnostics : Hyderabad
3. National Brain Research Center : Gurgaon

(a) 1 and 2 Only
(b) 1 and 3 Only
(c) 2 and 3 Only
(d) 1, 2 and 3
4227: Alam Khan, one of those who invited Babar to invade India was

(a) An uncle of Ibrahim Lodhi and a pretender to the throne of Delhi

(b) A cousin of Ibrahim Lodhi who was ill-treated and expelled form the country

(c) The father of Dilawar Khan to whom cruel treatment was meted out by Ibrahim Lodi

(d) A high official in Punjab province who was very much discontented with Ibrahim Lodhi's treatment to his tribe.

4228: 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
4229: Age of tree can be estimated by:

(a) Counting the number of concentric rings

(b) Counting the nodes and internodes of the trunk

(c) Measuring the girth of the tree trunk

(d) Counting the number of branches
4230: The common ore of aluminium is:

(a) Bauxite

(b) Chromite

(c) Cryolite

(d) Monazite