2916: Consider the following countries :
1. Brazil
2. Mexico
3. South Africa
According to UNCTAD, which of the above is/are categorized as "Emerging Economies"?
(a) 1 only
(b) 1 and 3 only
(c) 2 and 3 only
(d) 1, 2 and 3
2917: The main constituents of pearl are
(a) calcium carbonate and magnesium carbonate
(b) aragonite and conchiolin
(c) ammonium sulphate and sodium carbonate
(d) calcium oxide and ammonium chloride
2918: Consider the following statements:
1. Narasimha Saluva ended the Sangama dynasty and seized the throne for himself and started the Saluva dynasty.
2. Vira Narasimha deposed the last Saluva ruler and seized the throne for himself.
3. Vira Narasimha was succeeded by his younger brother, Krishnadeva Raya.
4. Krishnadeva Raya was succeeded by his half-brother, Achyuta Raya.
Which of the statements given above are correct?
(a) 1, 2 and 3
(b) 2, 3 and 4
(c) 1 and 4
(d) 1, 2, 3, and 4
2919: Amoebiasis, malaria and typhoid are diseases due to amoeba, malarial parasites and typhoid bacillus which are collectively called:
(a) Anthropods
(b) Protozoa
(c) Mollusca
(d) Pisces
2920: 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