1026: Three Dice (each having six faces with each face having one number from 1 to 6) are rolled. What is the number of possible outcomes such that at least one dice shows the number 2 ?
(A) 36
(B) 81
(C) 91
(D) 116
1027: Lichens, which are capable of initiating ecological succession even on a bare rock, are actually a symbiotic association of
(a) algae and bacteria
(b) algae and fungi
(c) bacteria and fungi
(d) fungi and mosses
1028: Barium in a suitable form is administered to patients before an X-ray examination of the stomach, because
(a) barium allows X-rays to pass through the stomach on account of its transparency to X-rays
(b) barium compound, like magnesium sulphate helps in cleaning the stomach before X-ray examination
(c) barium is a good absorber of X-rays and this helps the stomach to appear clearly in contrast with the other regions in the picture
(d) barium salts are white in colour and this helps the stomach to appear clearly in contrast with other regions in the picture
1029: What is Bisphenol A (BPA) ?
(a) A medical test for detecting cancer
(b) A test for testing the use of drugs to improve performance by athletes
(c) A chemical used for the development of food-packaging materials
(d) A special type of alloy steel
1030: The power of the Supreme Court of India to decide disputes between the Centre and the States falls under its
(a) advisory jurisdiction
(b) appellate jurisdiction
(c) original jurisdiction
(d) writ jurisdiction