1841: Consider the following organisms:
1. Agaricus
2. Nostoc
3. spirogyra
Which of the above is/are used as biofertilizer/biofertilizers?
(a) 1 and 2
(b) 2 only
(c) 2 and 3
(d) 3 only
1842: Assertion (A) :
The frequency of floods in North Indian plains has increased during the last couple of decades.
Reason (R) :
There has been reduction in the depth of river valleys due to deposition of silt.
(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
1843: Consider the following statements:
With reference to the Constitution of India, the Directive Principles of State Policy constitute limitations upon
1. legislative function.
2. executive function.
Which of the above statements is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
1844: Which soil is best suited for paddy crop?
(a) Black soil
(b) Loamy soil
(c) Hard soil
(d) Red soil
1845: Recommended daily intake of proteins for a moderately active woman is
(a) 30 g
(b) 37 g
(c) 40 g
(d) 46 g