146: Department of Border Management is a Department of which one of the following Union Ministries?
(a) Ministry of Home Affairs
(b) Ministry of Defence
(c) Ministry of Shipping, Road Transport and Highways
(d) Ministry of Environment and Forests
147: In the above map, the black marks show the distribution of
(a) Asbestos
(b) Gypsum
(c) Limestone
(d) Mica
148: How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336
149: There is some concern regarding the nanoparticles of some chemical elements that are used by the industry in the manufacture of various products. Why?
1. They can accumulate in the environment, and contaminate water and soil.
2. They can enter the food chains.
3. They can trigger the production of free radicals.
Select the correct answer using the code given below.
(a) 1 and 2 only
(b) 3 only
(c) 1 and 3 only
(d) 1, 2 and 3
150: Which one of the following has the highest fuel value ?
(a) Hydrogen
(b) Charcoal
(c) Natural Gas
(d) Gasoline