1. The Tropic of Cancer does not pass through which of the following States?
Answer: (d) Explanation: The Tropic of Cancer is the circle marking the latitude 23.5 degrees north, where the sun is directly overhead at noon on June 21, the beginning of summer in the northern hemisphere. Tropic of cancer passes through the following Indian states (in order from east to west): 1. Mizoram 2. Tripura 3. West Bengal 4. Jharkhand 5. Chhattisgarh 6. Madhya Pradesh 7. Rajasthan 8. Gujarat
2. Consider the following national parks:
(1) Jim Corbett National Park
(2) Dudhwa National Park
(3) Keoladeo Ghana National Park
(4) Simlipal National Park
(5) Kanha National Park
Select the correct order (from north to south) of national parks using the code given below:
(a) 1, 2, 3, 4, 5
(b) 1, 2, 3, 5, 4
(c) 1, 3, 2, 4, 5
(d) 2, 3, 4, 5, 1
Answer: (b) Explanation: Jim Corbett National Park – Uttarakhand: Jim Corbett National Park is the oldest national park in India and was established in 1936 as Hailey National Park to protect the endangered Bengal tiger. It is a part of the larger Corbett Tiger Reserve. It lies in the Nainital district of Uttarakhand. Dudhwa National Park – Uttar Pradesh: The Dudhwa National Park in Lakhimpur-Kheri District of Uttar Pradesh, adjacent to Nepal border, is one of the major projects for wildlife preservation in India. Keoladeo Ghana National Park – Rajasthan: Keoladeo Ghana National Park formerly known as the Bharatpur Bird Sanctuary in Bharatpur, Rajasthan, India is a famous avifauna sanctuary that hosts thousands of birds, especially during the winter season. Over 230 species of birds are known to be resident. It was declared a protected sanctuary in 1971. It is also a World Heritage Site. Simlipal National Park – Odisha: Simlipal National Park is a tiger reserve in the Mayurbhanj district in the Indian state of Odisha. It is part of the Similipal- Kuldiha-Hadgarh Elephant Reserve popularly known as Mayurbhanj Elephant Reserve, which includes three protected areas — Similipal Tiger Reserve, Hadgarh Wildlife Sanctuary and Kuldiha Wildlife Sanctuary Kanha National Park – Madhya Pradesh: Kanha National Park is one of the tiger reserves of India and the largest national park of Madhya Pradesh. Its area is divided into two sanctuaries, Hallon and Banjar.
3. Coral reefs require certain specific conditions to survive in the best manner.
Which of the following is correct with regard to these conditions?
(a) Water temperature must be below 10°C.
(b) Shallow water is not favourable.
(c) They will not survive where there are cold currents.
(d) Clear, oxygenated water hamper their development.
Answer: (c) Explanation: A coral reef is an underwater ecosystem characterized by reef- building corals. Reefs are formed of colonies of coral polyps held together by calcium carbonate. Most coral reefs are built from stony corals, whose polyps cluster in groups. Option (a) is incorrect. Corals generally live in water temperatures of 20–32° C. Option (b) is incorrect. Shallow water is favourable as at greater depths sunlight is too faint for photosynthesis. Option (c) is correct. They do not survive where there are cold currents as there will be upwelling of the cold water from the depths.
Option (d) is incorrect. Clear, oxygenated water promote their development.
4. The terms ‘Titli’ and ‘Luban’ have been in the news recently. What are these?
(a) Titli is a genetically modified rice variety whereas Luban is a genetically modified cotton variety.
(b) Titli is a genetically modified cotton variety whereas Luban is a genetically modified rice variety.
(c) Titli is a cyclonic storm originating in the Bay of Bengal whereas Luban is a cyclonic storm originating in the Arabian Sea.
(d) Titli is a cyclonic storm originating in the Arabian Sea whereas Luban is a cyclonic storm originating in the Bay of Bengal.
Answer: (c) Explanation: The India Meteorological Department (IMD) called the formation of the two very severe cyclones—Titli (over the Bay of Bengal) and Luban (over the Arabian Sea)—on two sides of the Indian mainland as ‘rarest of rare’ occurrences. The IMD also said the movement of both these storms was unique. While Titli changed its direction and moved towards the northeast after making a landfall, Luban too kept going in different directions over the 9 days that it travelled through the south-eastern Arabian Sea towards Yemen and Oman on the Gulf coast and then made landfall on October 13.
5. Consider the following statements about ‘Iron ore’:
(1) China is the largest producer of iron ore in the world.
(2) Hematite, Magnetite, Limonite and Siderite are the four varieties of iron ore.
(3) Jharkhand is one of the major iron ore producing state in India.
Which of the statements given above is/are correct?
(a) 1 only
(b) 1 and 2 only
(c) 1 and 3 only
(d) 1, 2 and 3
Answer: (d) Explanation: Statement (a) is correct. China is the largest producer of iron ore in the world. Most of it is consumed within country only for domestic use. Statement (b) is correct. There are four varieties of iron ore - Hematite, Magnetite, Limonite and Siderite.