306: Consider the following pairs :
Regions sometimes mentioned in news Country
1. Catalonia - Spain
2. Crimea - Hungary
3. Mindanao - Philippines
4. Oromia - Nigeria
Which of the pairs given above are correctly matched ?
(a) 1, 2 and 3
(b)) 3 and 4 only
(c) 1 and 3 only
(d) 2 and 4 only
307: Which one of the following is the appropriate reason for considering the Gondwana rocks as most important of rock systems of India?
(a) More than 90% of limestone reserves of India are found in them
(b) More than 90% of India's coal reserves are found in them
(c) More than 90% of fertile black cotton soils are spread over them
(d) None of the reasons given above is appropriate in this context
Explanation:
Around 98% of coal reserves of India are found in Gondwana rock system. That's why they are considered as most important rock systems of India. They also have rich deposits of iron ore, copper, uranium and antimony.
308: Which of the following iron & steel plants is closer to coal deposits than iron ore deposits ?
(a) Bhilai & Bokaro
(b) Jamshedpur & Bhadrawati
(c) Burnpur & Hirapur
(d) Durgapur & Rourkela
309: Match List-I (Sea) with List- II (Country) and select the correct answer using the codes given below the Lists :
List-I List-II
(Sea) (Country)
A. Black Sea 1. Bulgaria
B. Red Sea 2. China
C. Yellow Sea 3. Eritrea
D. Caspian Sea 4. Kazakhstan
Codes:
A B C D
(a) 1 4 2 3
(b) 2 3 1 4
(c) 1 3 2 4
(d) 2 4 1 3
Explanation:
Black sea shares its borders with Bulgaria in the west. Red sea shares its borders with Eritrea (Africa) in south west.
Yellow sea is located in the east of China, and Caspian sea is located in the south west region of Kazakhstan.
310: The high density of population in Nile Valley and Island of Java is primarily due to
(a) intensive agriculture
(b) industrialisation
(c) urbanisation
(d) topographic constraints
Explanation:
Fertile alluvial soil beds in these region lead to intensive agriculture, due to which the high density of population is seen in those areas.