461: Assertion (A):
Chile continues to be an important producer of copper in the world.
Reason (R):
Chile is endowed with the world's largest deposit of porphyry copper.
(a) Both A and R are true, and R is the correct explanation of A
(b) Both A and R are true, but R is not a correct explanation of A
(c) A is true, but R is false
(d) A is false, but R is true
462: In the context of food and nutritional security of India, enhancing the 'Seed Replacement Rates' of various crops helps in achieving the food production targets of the future. But what is/are the constraint/ constraints in its wider/greater implementation?
1. There is no National Seeds Policy in place.
2. There is no participation of private sector seed companies in the supply of quality seeds of vegetables and planting materials of horticultural crops.
3. There is a demand-supply gap regarding quality seeds in case of low value and high volume crops.
Select the correct answer using the code given below.
(a) 1 and 2
(b) 3 only
(c) 2 and 3
(d) None
463: Consider the following pairs
Glacier : River
1. Bandarpunch : Yamuna
2. Bara Shigri : Chenab
3. Milam : Mandakini
4. Siachen : Nubra
5. Zemu : Manas
Which of the pairs correctly matched?
(a) 1, 2 and 4
(b) 1, 3 and 4
(c) 2 and 5
(d) 3 and 5
464: Isohyets are the lines drawn on a map connecting points having:
(a) Equal temperature
(b) Equal height
(c) Equal atmospheric pressure
(d) Equal rainfall
465: Under the Constitution of India, which one of the following is not a fundamental duty?
(a) To safeguard public property
(b) To abide by the Constitution and respect its ideals
(c) To vote in public elections
(d) To develop the scientific temper