661: Two important rivers - one with its source in Jharkhand (and known by a different name in Odisha), and another with its source in Odisha - merge at a place only a short distance from the coast of Bay of Bengal before flowing into the sea. This is an important site of wildlife and biodiversity and a protected area.
Which one of the following could be this?
(a) Chandipur-on-sea
(b) Gopalpur-on-sea
(c) Bhitarkanika
(d) Simlipal
Explanation:
The Bhitarkanika Mangroves are a mangorve wetland in India's Odisha state. The Bhitarkanika Mangroves cover an area of 650 km2 in the river delta of the Brahmani and Baitarani rivers. The Brahmani originates in the Santhal Parganas in Jharkhand and then flows through Birbhum district, bisecting Rampurhat subdivision. It them flows through Murshidabad district, where it joins the Dwarka River. The Brahmani is a major seasonal river in the Odisha state of Eastern India. The Brahmani is formed by the confluence of the Sankh and South Koel rivers, and flows through the districts of Sundargarh, Kendujar, Dhenkanal, Cuttack and Jajapur. Together with the rivers Mahandi and Baitarani, it forms a large delta before entering into the Bay of Bengal at Dhamra.
The Baitarani originates from the Guptaganga hills in Gonasika on keonjhar district in Odisha state of India at an elecationof 900 m above sea level. The uppermost part of the river about 80 km in length, flows in a northerly direction; then it changes its path suddenly by 90 degree and flows eastward. The beginning portion of Baitarani acts as the boundary between Odisha and Jharkhand.
663: With reference to Indian transport systems, consider the following statements:
1. Indian railways system is the largest in the world.
2. National Highways cater to 45 per cent of the total road transport demand.
3. Among the states, Kerala has the highest density of surface road.
4. National Highway No. 7 is the longest in the country.
Which of these statements are correct?
(a) 1 and 2
(b) 1 and 3
(c) 2 and 3
(d) 2 and 4
665: Consider the following statements:
As per 2001 Census
1. The two States with the lowest sex ratio are Haryana and Punjab.
2. The two States with the lowest population per sq km of area are Meghalaya and Mizoram.
3. Kerala has both the highest literacy rate and sex ratio.
Which of the statements given above is/are correct?
(a) 3 only
(b) 2 and 3
(c) 1 and 2
(d) 1 and 3