1101: Which of the following metals is extracted from the Monazite sand found in plenty in India ?
(a) Gold
(b) Uranium
(c) Thorium
(d) Copper
1102: Consider the following
1. India does not have any deposits of Thorium.
2. Kerala's monazite sands contain Uranium.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 & 2
(d) Neither 1 nor 2
1103: In the Union Budget 2011-12, a full exemption from the basic customs duty was extended to the bio-based asphalt (bioasphalt). What is the importance of this material?
1. Unlike traditional asphalt, bio-asphalt is not based on fossil fuels.
2. Bioasphalt can be made from non- renewable resources.
3. Bioasphalt can be made from organic waste materials.
4. It is eco-friendly to use bioasphalt for surfacing of the roads.
Which of the statements given above are correct?
(a) 1, 2 and 3 only
(b) 1, 3 and 4 only
(c) 2 and 4 only
(d) 1, 2, 3 and 4
1104: Which of the following is / are the characteristic / characteristics of Indian coal?
1. High ash content
2. Low sulphur content
3. Low ash fusion temperature
Select the correct answer using the codes given below.
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
1105: In medieval India, the designations `Mahattara and `Pattakila were used for
(a) military officers
(b) village headmen
(c) specialists in vedic rituals
(d) chiefs of craft guilds