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- Physical Geography Important Questions
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- Question 1 of 50
Mist is caused by:
Mist is tiny droplets of water hanging in the air. These droplets form when warmer water in the air is rapidly cooled, causing it to change from invisible gas to tiny visible water droplets.
- Question 2 of 50
Land and sea-breezes occur due to:
The air above the land warms up and rises and the cool air over the sea moves in to take its place, resulting in the sea breeze in the daytime. At night, as the sea maintains its temperature better and is warmer than the land, the roles of land and sea reverse and convection of air results in the land breeze.
- Question 3 of 50
Hanging Valley is formed due, to the action of:
A former tributary glacier valley that is incised into the upper part of a U-shaped glacier valley, higher than the floor of the main valley. Hanging valley streams often enter the main valley as waterfalls. A hanging glacier connects the upper valley to the lower valley.
- Question 4 of 50
Which among the following coal contains 90 percent of carbon?
Anthracite is the highest rank of coal. It contains a high percentage of fixed carbon and a low percentage of volatile matter. It is the most metamorphosed type of coal (but still represents low-grade metamorphism), in which the carbon content is between 86% and 98%.
- Question 5 of 50
Tropical storm in Chinese Sea is known as:
Tropical storm in the Chinese Sea is known as Typhoon. It is the most intense typhoon in the South China Sea in the month of May. Tropical Cyclones also known as Hurricanes in the Atlantic.
- Question 6 of 50
The deepest trench of the world ‘The Mariana Trench’ is located in the:
The Mariana Trench is located in the western Pacific Ocean about 200 kilometres east of the Mariana Islands. It is the deepest oceanic trench on Earth.
- Question 7 of 50
Which of the following, is a landlocked sea?
A country is landlocked if it has no access to any oceans or seas. As an example, Austria is landlocked. France is not landlocked because it has access to the Mediterranean and the Atlantic Ocean. A sea is also landlocked if does not have access to an ocean. As an example, the Aral Sea is landlocked.
- Question 8 of 50
Trade winds blow from the:
The trade winds or easterlies are the permanent east-to-west prevailing winds that flow in the Earth’s equatorial region. It is defined as steady and persistent winds which blow on the Equatorial side of the subtropical high-pressure systems in both Hemispheres.
- Question 9 of 50
Convectional Rainfall occurs in:
Convectional Rainfall occurs in Equatorial region. It occurs when the energy of the sun heats the surface of the Earth, causing water to evaporate to form water vapour. When the land heats up, it warms the air above it. This causes the air to expand and rise. As the air rises, it cools and condenses.
- Question 10 of 50
Which of the following is a land-locked sea?
- Question 11 of 50
Equatorial regions experience:
Equatorial regions experience hot and humid climates because this region receives direct sunlight, water from the sea gets heated and is evaporated at a high rate. The moistures in the water vapours cause humidity.
- Question 12 of 50
When the barometer reading dips suddenly, it is an indication of:
Barometers are used to predict the weather. A barometer measures air pressure. Sudden fall in barometer reading indicates stormy weather. Storms are created when a center of low pressure develops with a system of high pressure surrounding it.
- Question 13 of 50
A place where there is constant intermingling of salt water and fresh water is:
An estuary is an area where a freshwater river or stream meets the ocean. In estuaries, the salty ocean mixes with a freshwater river.
- Question 14 of 50
Mushroom Rocks are the typical landforms seen in:
A mushroom rock or a pedestal rock is a naturally occurring rock whose shape, as its name implies, resembles a mushroom. It is Usually found in desert areas. These rocks form over thousands of years when wind erosion of an isolated rocky outcrop progresses at a different rate at its bottom than at its top.
- Question 15 of 50
The term ‘equinox’ means
An equinox is one of the two times of the year (21 March and 22 September) when the amount of daylight and nighttime hours are just about equal duration.
- Question 16 of 50
Isobars are lines joining places having equal:
Isobars are lines on a weather map that join places that have the same air pressure at a particular time.
- Question 17 of 50
The deepest ocean in the world is:
The Mariana Trench, in the Pacific Ocean, is the deepest location on Earth.
- Question 18 of 50
The presence of ozone in the stratosphere is responsible for:
Most ozone (about 90%) is found in the stratosphere, which begins about 10–16 kilometers above Earth’s surface and extends up to about 50 kilometers altitude. The stratospheric region with the highest ozone concentration is commonly known as the “ozone layer”. Ozone layer reduces the amount of harmful UV radiation reaching the Earth’s surface.
- Question 19 of 50
Tropical grassland of Brazil is called:
The Campos, grassland with few trees or shrubs except near streams, lies between 24°S and 35°S; it includes parts of Brazil, Paraguay and Argentina, and all of Uruguay.
- Question 20 of 50
Basaltic lava is found in the:
Basaltic lava flows erupt primarily from shield volcanoes, fissure systems, scoria cones, and spatter cones. Within the Deccan Traps, at least 95% of the lavas are tholeiitic basalts.
- Question 21 of 50
Mediterranean type of climate is characterized by:
Mediterranean climate is characterized by mild wet winters and warm to hot, dry summers.
- Question 22 of 50
Which one of the following types of erosion is responsible for the formation of Chambal Ravines?
Ravines are a result of formation of gullies within unconsolidated, relatively loosely bound material such as soft sediments.
- Question 23 of 50
Where in India can you normally spot the Siberian crane in winter?
Keoladeo National Park in Bharatpur, Rajasthan hosts thousands of migratory birds. It is famous for nesting its resident birds as well as for guest migratory birds including the rare Siberian Cranes.
- Question 24 of 50
Which of the following type of coal has the lowest proportion of volatile matter?
Volatile matter (VM) is the percentage loss in mass, adjusted for moisture, when coal is heated out of contact with air under standard conditions. Anthracite has the lowest proportion of volatile matter.
- Question 25 of 50
Which of the following winds is called anti-trade wind?
Westerlies are called anti-trade wind. The westerlies are prevailing winds from the west toward the east in the middle latitudes between 30 and 60 degrees latitude. They originate from the high-pressure areas in the horse latitudes and trend towards the poles and steer extratropical cyclones in this general manner.
- Question 26 of 50
At what height, geosynchronous orbit is located?
A geosynchronous orbit is located at 35,786 kilometers above Earth’s equator. This position is a valuable spot for monitoring weather, communications and surveillance. Geosynchronous orbit is an Earth-centered orbit with an orbital period that matches Earth’s rotation on its axis, 23 hours, 56 minutes, and 4 seconds.
- Question 27 of 50
The orbits of planets around the sun maybe:
The orbits of the planets are ellipses with the Sun at one focus, though all except Mercury are very nearly circular. The orbits of the planets are all more or less in the same plane (called the ecliptic and defined by the plane of the Earth’s orbit).
- Question 28 of 50
What is supernova?
A supernova is the biggest explosion that humans have ever seen. Each blast is the extremely bright, super-powerful explosion of a star.
- Question 29 of 50
The term ‘Isoneph’ indicates the lines of equal:
Isoneph is a line on a map connecting points that have the same average percentage of cloudiness.
- Question 30 of 50
Which is the world’s largest desert?
The Sahara is a desert on the African continent. It is the largest hot desert in the world and the third-largest desert overall, smaller only than the deserts of Antarctica and the northern Arctic.
- Question 31 of 50
“Climate is extreme, rainfall is scanty, and the people used to be nomadic hoarders”. For which region is this statement correct?
Tundra ecosystems are treeless regions found in the Arctic and on the tops of mountains, where the climate is cold and windy (extreme), and rainfall is scant. Tundra lands are covered with snow for much of the year, but summer brings bursts of wildflowers. Resident animals have to change what they are hunting and eating as the seasons change (nomadic hoarders).
- Question 32 of 50
The atmospheric layer reflecting radio waves is called:
The ionosphere is said to be responsible for lightning and propagation of radio waves. It is also responsible for ionizing the atmosphere by solar radiation. It is a 48 km to 965 km vertical stretch, which roughly overlaps the thermosphere and the exosphere.
- Question 33 of 50
The deepest surface depression on the earth is:
The deepest known depression on the earth is the Mariana Trench, which lies east of the Mariana Islands in the western North Pacific Ocean. It reaches 11,034 metres at its deepest point.
- Question 34 of 50
Shale is metamorphosed into which of the following rocks?
Slate is a fine-grained, foliated, homogeneous metamorphic rock derived from an original shale-type sedimentary rock composed of clay or volcanic ash through low-grade regional metamorphism.
- Question 35 of 50
Where are the hot deserts generally found?
Thus most of the tropical deserts like The Sahara Desert, the Kalahari Desert, West Australian desert, etc. are located on the western margin of the continent. Moreover, these deserts also lie on the leeward side of the mountains and hence the region is also hot and dry.
- Question 36 of 50
Why are winters more severe in Southern Hemisphere than in Northern Hemisphere?
Winters more severe in Southern Hemisphere than in Northern Hemisphere because of more iceberg activity in Southern Hemisphere. Northern Hemisphere is 39% land and 61% ocean while Southern Hemisphere is 19% land and 81% ocean. As absorbing rate of land is much higher then water, land heat up quickly but water(ocean) take time. That is the reason the average temp in northern hemisphere is 15.2 degree C while that of southern hemisphere is 13.3 degree C.
- Question 37 of 50
Duncan Passage is located between:
Duncan Passage is a strait in the Indian Ocean. It is located in between South Andaman and Little Andaman. It is about 48 km wide; it separates Rutland Island to the north, and Little Andaman to the south. West of Duncan Passage is the Bay of Bengal; east is the Andaman Sea.
- Question 38 of 50
Where does most of the weather phenomena take place?
The troposphere is the lowest layer of Earth’s atmosphere, and is also where nearly all weather conditions take place. It contains 75% of the atmosphere’s mass and 99% of the total mass of water vapour and aerosols.
- Question 39 of 50
Colorado in USA is famous for this landform:
Colorado, a western USA state, has a diverse landscape of arid desert, river canyons and snow-covered Rocky Mountains, which are partly protected by Rocky Mountain National Park. The Grand Canyon is a steep-sided canyon carved by the Colorado River.
- Question 40 of 50
Daily weather changes in the atmosphere are associated with:
Air masses, areas of high-pressure and low-pressure systems, are moved by winds in the troposphere. These weather systems lead to daily weather changes as well as seasonal weather patterns and climate systems, such as El Nino. Air in the troposphere thins as altitude increases.
- Question 41 of 50
Marble is the metamorphosed form of:
Marble is a metamorphic rock formed when limestone is exposed to high temperatures and pressures.
- Question 42 of 50
Which group of the industries maximise savings on transport costs by being located near the sources of materials?
Iron and Steel, Aluminum and Cement industries maximise savings on transport costs by being located near the sources of materials.
- Question 43 of 50
Which of the following processes is responsible for producing the sand dunes in western Rajasthan?
Sand dune covered eastern portion of the Great Indian (Thar) Desert in western Rajasthan. It the depositional features which are formed due to the deposition of sand particles carried by the wind.
- Question 44 of 50
The solar radiation coming to Earth is called:
Insolation is the amount of solar radiation that is received by a planet (Earth). Some of this energy is absorbed or reflected by the atmosphere.
- Question 45 of 50
Hailstorms are caused due to:
A hailstorm is an unusual weather phenomenon in which balls of ice, called hail, fall from the sky. It is formed when drops of water freeze together in the cold upper regions of thunderstorm clouds.
- Question 46 of 50
The surface temperature of the sun is estimated as:
The temperature at the surface of the Sun is about 5,600 °C. The temperature rises from the surface of the Sun inward towards the very hot center of the Sun where it reaches about 15,000,000 °C.
- Question 47 of 50
Which one of the following planets has no moon?
Only Mercury and Venus do not have any moons. By comparison, Earth has one moon and Mars has two. Jupiter has the most of any planet.
- Question 48 of 50
The Earth rotates on its axis at an inclination of:
The Earth rotates on its own axis and it is tilted at an angle of 23.5° with respect to its orbital plane; this causes the occurrence of seasons.
- Question 49 of 50
Dolomite is a/an:
Dolomite is a sedimentary carbonate rock that contains a high percentage of the mineral dolomite, CaMg(CO₃)₂. It is a type of limestone.
- Question 50 of 50
El Nino is:
El Nino is a warm ocean current. El Nino condition occurs when surface water in the equatorial Pacific becomes warmer than average and east winds blow weaker than normal. The opposite condition is called La Nino.