Geography GK Questions with Answers – Page 8

Assam touches Bhutan and Bangladesh abroad and all the other six north-eastern states plus West Bengal at home. Assam's international borders are with Bhutan in the north and Bangladesh in the south-west, along the Barak valley and Dhubri side.

Agricultural density measures how many farm people depend on each unit of land that can actually be farmed. Geographers use three densities.

Plantation agriculture means growing a single cash crop such as tea, coffee, rubber or spices on large estates, with heavy capital, hired labour and processing on the spot.

Isobars are lines on a weather map joining places that have the same atmospheric pressure, reduced to sea level. The pressure gradient is the rate at which pressure changes over a horizontal distance.

The Soo Locks, or Sault Ste. Marie canals, carry ships around the rapids of the St. Marys River, which drains Lake Superior into Lake Huron.

Mangaluru lies on the Karnataka coast, on the western, windward side of the Western Ghats. The south-west monsoon winds coming off the Arabian Sea strike the Ghats there, rise and shed heavy rain, so the coastal belt gets well over 3,000 mm a year.

A blizzard is a severe snowstorm with strong winds, blowing snow and very low visibility, so it occurs only where there is heavy snowfall in winter.

Loktak Lake lies south of Imphal in Manipur and is the largest freshwater lake in North-East India. Loktak is famous for its phumdis, floating masses of soil, vegetation and decaying organic matter that drift on the water.

Tors are piles of rounded, weathered blocks standing on hilltops, and they form typically in granite. Granite cools deep underground and develops a network of joints, or cracks.

Jamshedpur stands at the meeting point of the Subarnarekha and Kharkai rivers, not the Damodar and Barakar. Jamsetji Tata chose Sakchi, later named Jamshedpur, and the Tata Iron and Steel Company began production there in 1912.

The Alaska Current and the Agulhas Current carry warm water, while the Falkland and West Australian currents are cold. A useful rule is that currents flowing from the tropics towards the poles are warm and those flowing from high latitudes towards the equator are cold.

Granite is far harder than soapstone, and foliation is a feature of metamorphic rocks, not sedimentary ones, so these two statements are wrong.

Kamarajar Port, earlier called Ennore Port, lies on the Coromandel Coast about 24 km north of Chennai. The port was built to take the load of coal imports off Chennai Port and to feed the thermal power stations of the Tamil Nadu electricity board.

The word monsoon comes from the Arabic 'mausim', meaning season, and the climate is defined by winds that reverse their direction between summer and winter.

Ocean currents are set off by solar heating and wind, while gravity and the Coriolis force shape how the water moves.

Madhya Pradesh touches five states, and only these three of them have no coastline. Madhya Pradesh, itself landlocked, sits in the heart of India and borders Rajasthan to the north-west, Uttar Pradesh to the north-east, Chhattisgarh to the south-east, Maharashtra to the south and Gujarat to the west.

The Luhri Hydro-Electric Project is a run-of-the-river scheme on the Satluj (Sutlej) in Himachal Pradesh, on the stretch between the Shimla and Kullu districts.

The Kutch region of Gujarat is one of the driest parts of India, with low and highly uncertain rainfall, often below 40 cm a year, and failures of the monsoon in many years.

The Great Indian Desert, or Marusthali, lies to the north-west of the Aravalli hills in western Rajasthan. It is believed that during the Mesozoic era, the age of the dinosaurs some 250 to 66 million years ago, this region lay under the sea.

The surface circulation of the oceans is organised into huge, roughly circular loops called gyres, one in each major ocean basin.