16. The production of iron during this period was primarily concentrated in which region?
a) Deccan Plateau
b) Gangetic Plain
c) Western Ghats
d) Himalayan foothills
17. The rise of the “Nagaram” system was related to the growth of:
a) Urban centers
b) Village settlements
c) Fortified cities
d) Monastic complexes
18. The establishment of “shrenis” (guilds) led to the development of specialized occupations such as:
a) Weaving and textile production
b) Agriculture and farming
c) Metalworking and jewelry making
d) Construction and architecture
19. The introduction of the “tank irrigation system” was a significant development in enhancing agricultural productivity in which region?
a) Rajasthan
b) Gujarat
c) Tamil Nadu
d) Bihar
20. The Arab traders had a significant influence on the Indian economy during this period, particularly in the trade of:
a) Spices and textiles
b) Precious metals and gemstones
c) Perfumes and incense
d) Horses and camels