516: Major difference between Varna and Jati, is that:
(a) Jatis are limited whereas Varnas are unlimited
(b) Jatis are only four whereas Varnas are many
(c) Varnas are only four whereas Jatis are many
(d) Jati is decided by birth but not Varna
517: Recently, the manuscripts of which one of the following have been included in the UNESCO's Memory of World Register?
(a) Abhidhamma Pitaka
(b) Ramayana
(c) Rig-Veda
(d) Mahabharta
518: Consider the following kinds of organisms :
1. Bat
2. Bee
3. Bird
Which of the above is/are pollinating agent/agents?
(a) 1 and 2 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
519: Gypsum is added to the soil?
(a) To increase the alkalinity
(b) To decrease the acidity
(c) To decrease the alkalinity
(d) As an insecticide
520: 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