496: Selence-1, the lunar orbiter mission belongs to which one of the following?
(a) China
(b) USA
(c) European Union
(d) Japan
497: The acidification of oceans is increasing. Why is this phenomenon a cause of concern?
1. The growth and survival of calcareous phytoplankton will be adversely affected.
2. The growth and survival of coral reefs will be adversely affected.
3. The survival of some animals that have phytoplanktonic larvae will be adversely affected.
4. The cloud seeding and formation of clouds will be adversely affected.
Which of the statements given above is /are correct?
(a) 1, 2 and 3 only
(b) 2 only
(c) 1 and 3 only
(d) 1, 2, 3 and 4
498: With reference to Lok Adalats, consider the following statements:
1. An award made by a Lok Adalat is deemed to be a decree of a civil court and no appeal lies against thereto before any court.
2. Matrimonial/Family disputes are not covered under Lok Adalat.
Which of the statements given above is/are correct?
(a) 1 only
(b) 2 only
(c) Both 1 and 2
(d) Neither 1 nor 2
499: Which one of the following pairs of primitive tribes and places of their in-habitation is not correctly matched ?
(a) Buksa : Pauri-Garhwal
(b) Kol : Jabalpur
(c) Munda : Chhotanagpur
(d) Korba : Kodagu
500: A "closed economy" is an economy in which
(a) Only exports take place
(b) Neither exports nor imports take place
(c) Deficit financing takes place
(d) The money supply is fully controlled