2436: 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
2437: The basic structure theory of the Constitution of India implies that
(a) certain features of the Constitution are so essential to it that they cannot be abrogated
(b) fundamental rights cannot be abridged or taken away
(c) the Constitution cannot be amended except in accordance with the procedure prescribed in Art, 368
(d) the Preamble of the Constitution cannot be amended for it is not a part of the Constitution and at the same time represents its real spirit
2438: Which one of the following is in the Concurrent List in the Constitution of India?
(a) Population control and family planning
(b) Public health and sanitation
(c) Capitation taxes
(d) Treasure trove
2439: Parliament can legislate matters in the State List:
(a) By wish of the President
(b) If Rajya Sabha passes a resolution by 2/3rd majority
(c) Under any circumstances
(d) By asking the legislature of the State concerned
2440: Assertion (A): To orbit around the Sun, the planet Mars takes lesser time than the time taken by the Earth.
Reason (R) : The diameter of the Planet Mars is less than that of the Earth.
(a) Both A and R are individually true and R is the correct explanation of A
(b) Both A and R are individually true but R is not the correct explanation of A
(c) A is true but R is false
(d) A is false but R is true