1761: Which one of the following laser types is used in a laser printer ?
(a) Dye laser
(b) Gas laser
(c) Excimer laser
(d) Semiconductor laser
1762: The Chinese traveler Yuan Chwang (Hiuen Tsang) who visited India recorded the general conditions and culture of India at that time. In this context, which of the following statements is/are correct?
1. The roads and river-routes were completely immune from robbery.
2. As regards punishment for offences, ordeals by fire, water and poison were the instruments for determining the innocence or guilt of a person.
3. The tradesmen had to pay duties at ferries and barrier stations.
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
1763: The term Base Erosion and Profit Shifting is sometimes seen in the news in the context of
(a) mining operation by multinational companies in resource-rich but backward areas
(b) curbing of the tax evasion by multinational companies
(c) exploitation of genetic resources of a country by multinational companies
(d) lack of consideration of environmental costs in the planning and implementation of developmental projects
1764: The surface area of a cube is 216 sq.m. What is its volume ?
(a) 100 cu m
(b) 216 cu m
(c) 480 cu m
(d) 512 cu m
1765: Consider the following agricultural practices :
1. Contour bunding
2. Relay cropping
3. Zero tillage
In the context of global climate change, which of the above helps/help in carbon sequestration / storage in the soil?
(a) 1 and 2 only
(b) 3 only
(c) 1, 2 and 3
(d) None of them