981: Which one of the the following usages was a post-Vedic development ?

(a) Dharma -- Artha -- Kama -- Moksha

(b) Brahmana -- Kshatriya -- Vaishya -- Shudra

(c) Brahmacharya -- Grihastashrama -- Vanaprastha -- Sanyasa

(d) Indra -- Surya -- Rudra -- Marut
982: Which one of the following is also called Stranger Gas?

(a) Argon
(b) Nitrous oxide
(c) Xenon
(d) Neon
983: What is the likely impact of decrease of population on economy?

(a) Increase in per capita income

(b) Decrease in per capita income

(c) Increase in investment

(d) Decrease in savings
984: Which one of the following is the characteristic climate of the Tropical Savannah Region?

(a) Rainfall throughout the year

(b) Rainfall in winter only

(c) An extremely short dry season

(d) A definite dry and wet season
985: Who among the following Indians mostly encouraged the remarriage of the widows?

(a) jaisingh

(b) Ahilya Bai

(c) Sarfoji

(d) Raja Ram Mohan Roy