2681: Mycorrhizal biotechnology has been used in rehabilitating degraded sites because mycorrhiza enables the plants to
1. resist drought and increase absorptive area
2. tolerate extremes of pH
3. resist disease infestation
Select the correct answer using the codes given below.
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
2682: India maintained its early cultural contacts and trade links with Southeast Asia across the Bay of Bengal. For this pre-eminence of early maritime history of Bay of Bengal, which of the following could be the most convincing explanation/explanations?
(a) As compared to other countries, India had a better ship building technology in ancient and medieval times
(b) The rulers of southern India always patronized traders, brahmin priests and buddhist monks in this context
(c) Monsoon winds across the Bay of Bengal facilitated sea voyages
(d) Both (a) and (b) are convincing explanations in this context
2683: Which one of the following pairs is not correctly matched?
(a) Japan : Nikkei
(b) UK : FTSE
(c) USA : Nasdaq
(d) Singapore : Shcomp
2684: One of the reasons for India's occupational structure remaining more or less the same over the years has been that
(a) Investment pattern has been directed towards capital intensive industries
(b) Productivity in agriculture has been high enough to induce people to stay with agriculture
(c) Ceiling on land holdings have enabled more people to own land and hence their preference to stay with agriculture
(d) People are largely unaware of the significance of transition from agriculture to industry for economic development
2685: Consider the following countries:
1. Australia
2. Namibia
3. Brazil
4. Chile
Through which of the above does the Tropic of Capricorn pass?
(a) 1 only
(b) 1, 2, 3
(c) 2, 3, 4
(d) 1, 2, 3, 4