621: Where is Bundala Bioshpere Reserve which has been recently added to the UNESCO's Man and Biosphere (MAB) network, located?
(a) Russia
(b) Bangladesh
(c) India
(d) Sri Lanka
622: Consider the following statements :
1. Natural gas occurs in the Gondwana beds.
2. Mica occurs in abundance in Kodarma.
3. Dharwars are famous for petroleum.
Which of the statements given above is / are correct?
(a) 1 and 2
(b) 2 and 3
(c) 2 only
(d) None
Explanation:
90 per cent of coal in india is found in Gondwana rocks. Dharwar system of rocks carries minerals like gold, iron ore, granite, marbles etc.
623: It takes 11 seconds for the light to reach the earth from moon and 8 minutes from the sun. How much time will it take from the nearest bright star to reach the earth?
(a) 4.5 minutes
(b) 45 minutes
(c) 45 months
(d) 4.3 light years
624: Consider the following statements :
1. Balaghat is known for its diamond mines.
2. Majhgawan is known for its manganese deposits.
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
625: Where are the Balearic Islands located?
(a) Baltic Sea
(b) Black Sea
(c) Mediterranean Sea
(d) North Sea
Explanation:
Balearic Islands are located in Mediterranean Sea. These islands are divided into Gimnesias (Malloria, Menoria and Cabrera) in the North and Pitiuass (Ibiza Formentera) in the South west.