81: 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
82: With reference to Dhrupad, one of the major traditions of India that has been kept alive for centuries, which of the following statements are correct?
1. Dhrupad originated and developed in the Rajput kingdoms during the Mughal period.
2. Dhrupad is primarily a devotional and spiritual music.
3. Dhrupad Alap uses Sanskrit syllables from Mantras.
Select the correct answer using the codes given below :
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1, 2 and 3
(d) None of the above is correct
83: The next pair of letters in the series AZ, CX, FU, ...... is
(a) JQ
(b) KP
(c) IR
(d) IV
84: The first bird is believed to have appeared on the surface of the earth
(a) 300 million years ago
(b) 200 million years ago
(c) 150 million years ago
(d) 100 million years ago
85: What is the Universal Product Code (UPC) adopted for?
(a) Fire safety code in buildings
(b) Earthquake-resistance building code
(c) Bar code
(d) Against adulteration in eatables