1661: Which of the following practices can help in water conservation in agriculture?
1. Reduced or zero tillage of the land
2. Applying gypsum before irrigating the field
3. Allowing crop residue to remain in the field
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
1662: Assertion (A) :
The origin of feudal system in ancient India can be traced to military campaigns.
Reason (R) :
There was considerable expansion of the feudal system during the Gupta period.
(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
1663: Which one of the following countries recently upgraded its defence agency to a full defence ministry?
(a) Switzerland
(b) Japan
(c) Italy
(d) Thierry Henry
1664: Assertion (A):
During the year 2001 - 02, the value of India's total exports declined, registering a negative growth of 2.17%.
Reason (R):
During the year 2001 - 02, negative growth in exports was witnessed in respect of iron and steel, coffee, textiles and marine products.
(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
1665: Which of the following are the key features of 'National Ganga River Basin Authority (NGRBA)'?
1. River basin is the unit of planning and management.
2. It spearheads the river conservation efforts at the national level.
3. One of the Chief Ministers of the States through which the Ganga flows becomes the Chairman of NGRBA on rotation basis.
Select the correct answer using the code given Below.
(a) 1 and 2 only
(b) 2 and 3 only
(c) 1 and 3 only
(d) 1, 2 and 3