Description : The formation of ‘Mushroom rock’ in desert region is an example of (1) Deflation (2) Attrition (3) Abrasion (4) Erosion
Last Answer : Abrasion
Description : Where in India can 'Mushroom' rock be found? (1) Eastern Ghats (2) Western Ghats (3) Thar Desert (4) Satpura Range
Last Answer : (3) Thar Desert Explanation: A mushroom rock, also called rock pedestal or a pedestal rock, is a naturally occurring rock whose shape, as its name implies, strikingly resembles a mushroom. Usually found in ... rate at its bottom to that at its top. Such rocks are found in Thar Desert of India.
Description : Which one of the following does not cause soil erosion? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping
Last Answer : (1) Deflation Explanation: Deflation is a decline in general price-levels, often caused by a reduction in the supply of money or credit. Deflation can also be brought about by direct contractions in ... in an economy, since the process often leads to a lower level of demand in the economy.
Description : In a desert region, soil erosion can be checked by – (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure
Last Answer : (1) Tree plantation/afforestation Explanation: Soil erosion in a desert region can be checked by tree plantation and afforestation.
Description : In a desert region, soil erosion can be checked by – (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation
Last Answer : (3) Tree plantation/Afforestaion Explanation: Afforestation holds the key for preventing soil erosion in desert regions and further desertification. Trees or even small plants bind soil to ... introduction of improved dry farming practices and animal husbandry and plantations for fuel and fodder.
Description : Los Angeles testing machine is used to conduct (A) Abrasion test (B) Impact test (C) Attrition test (D) Crushing strength test
Last Answer : Answer: Option A
Description : What is the process that tends to build up the land surface by deposition of solid material in its lower areas, known as? a. Abrasion b. Agglomeration c. Aggradation d. Attrition
Last Answer : c. Aggradation
Description : Where in India can ‘Mushroom’ rock be found ? (1) Eastern Ghats (2) Western Ghats (3) Thar Desert (4) Satpura Range
Last Answer : Thar Desert
Description : Wind erosion is common in (a) desert (b) cold areas (c) areas where there is thick vegetation (d) areas of heavy rainfall
Last Answer : Ans: (a)
Description : Generalised loss of tooth structure by chemical means called, A. Erosion B. Attrition
Last Answer : A. Erosion
Description : Which one of the following does not cause soil erosion ? (1) Deflation (2) Deforestation (3) Weathering (4) Overcropping
Last Answer : Deflation
Description : In a desert region, soil erosion can be checked by (1) Contour ploughing (2) Using farm manure (3) Tree plantation/Afforestaion (4) Crop rotation
Last Answer : Tree plantation/Afforestaion
Description : In a desert region, soil erosion can be checked by (1) Tree plantation/afforestation (2) Crop rotation (3) Contour ploughing (4) Using farm manure
Last Answer : Tree plantation/afforestation
Description : The deterioration of a metal by an electrochemical process is commonly termed as – (1) Erosion (2) Corrosion (3) Passivation (4) Abrasion
Last Answer : (2) Corrosion Explanation: Corrosion can be defined as the deterioration of materials by chemical processes.
Description : The size of the pulp chamber within the tooth is influenced by: A. Age B. Parafunctional C. History of the tooth /abrasion, erosion, caries/ D. All of the above
Last Answer : D. All of the above
Description : The deterioration of a metal by an electrochemical process is commonly termed as (1) Erosion (2) Corrosion (3) Passivation (4) Abrasion
Last Answer : Corrosion
Description : Breaking down of rock in situ is known as – (1) Erosion (2) Weathering (3) Mass wasting (4) Degradation
Last Answer : (2) Weathering Explanation: Weathering is the breaking clown of rocks, soils and minerals as well as artificial materials through contact with the Earth's atmosphere, biota and waters. Weathering occurs in situ, or "with no movement
Description : Which one of the following types of erosion is responsible for the formation of Chambal Ravines? (a) Splash (b) Sheet (c) Rill (d) Gully
Last Answer : Ans: (d)
Description : The formation of laterite soil is mainly due to: (a) weathering (b) erosion (c) leaching (d) deposition
Last Answer : Ans: (c)
Description : Which one of the following types of erosion is responsible for the formation of Chambal Ravines? (1) Splash (2) Sheet (3) Rill (4) Gully
Last Answer : (4) Gully Explanation: Chambal ravine formation significantly increases soil loss from agricultural lands and severely impacts agricultural productivity. A review of ephemeral gully erosion and spreading rates ... both the ravenous and the marginal lands have increased during the last 15 years.
Description : Vergreen type Forests are found in – (1) Mediterranean region (2) Monsoon climatic area (3) Desert region (4) Equatorial region
Last Answer : (4) Equatorial region Explanation: An evergreen forest is a forest consisting entirely or mainly of evergreen trees that retain green foliage all year round. Such forests reign in ... primarily as broadleaf evergreens, and in temperate and boreal latitudes primarily as coniferous evergreens.
Description : Which of the following regions in India is the richest in iron and coal deposits? (1) The Southern region (2) Chota Nagpur Plateau (3) Himalayan region (4) Thar desert
Last Answer : (2) Chota Nagpur Plateau Explanation: The Chhota Nagpur Plateau is a plateau in eastern India, which covers much of Jharkhand state as well as adjacent parts of Odisha, West Bengal, Bihar and Chhattisgarh. ... is rich in coal and it is considered as the prime centre of coking coal in the country.
Description : The opportunity cost of consumption is (a) Lack of capital formation for future ; (b) Greater investment ; (c) Full employment ; (d) Deflation
Last Answer : (a) Lack of capital formation for future ;
Description : The Himalayan region is poor in mineral resources because (a) it is made up of crystalline rocks (b) displacement of rock strata has disturbed the arrangement of rocks and made it ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties
Last Answer : Ans: (b)
Description : The Himalayan region is poor in mineral resources because: [IAS 2004] (a) it is made of crystalline rocks (b) the displacement of rock strata has disturbed the arrangement of rock and ... minerals (d) the terrain makes exploitation of minerals difficult and very costly due to transport difficulties
Description : Why is it that the Himalayan region is poor in mineral resources? (a) Displacement of rock strata has disturbed the arrangement of rocks and made it complex (b) It is made up of ... makes exploitation of minerals difficult (d) The climatic conditions are not suitable, for exploitation of minerals
Description : Which of the following is the most important factor in soil formation? (a) Relief (b) Climate (c) Natural vegetation (d) Rock cover
Description : Which of the following statements is correct? (1) Natural gas is found in Dharwar rock formation (2) Mica is found in Kodarma (3) Cuddapah series is famous for diamonds (4) Petroleum reserves are found in Aravali hills
Last Answer : (2) Mica is found in Kodarma Explanation: The British Geological Survey reported that as of 2005, Kodarma district in Jharkhand state in India had the largest deposits of mica in the world. China was ... with almost a third of the global share, closely followed by the US, South Korea and Canada.
Description : Mushroom Rocks are the typical land forms seen in – (1) River Valleys (2) Mountain tops (3) Coastal areas (4) Deserts
Last Answer : (4) Deserts Explanation: A mushroom rock, also called rock pedestal or a pedestal rock, is a naturally occurring rock whose shape, as its name implies, strikingly resembles a mushroom. Usually found in ... of an isolated rocky outcrop progresses at a different rate at its bottom to that at its top.
Description : Soil erosion in desert area can be prevented
Last Answer : Forestation
Description : The rock that results from solidification of molten lava from a volcano is an example of Which of the following? (1) Igneous rocks (2) Granite Rock (3) Basalt Rock (4) Magnetite
Last Answer : (1) Igneous rocks Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava).
Description : The rock that results from solidification of molten lava from a volcano is an example of which of the following? (1) Igneous Rock (2) Granite Rock (3) Basalt Rock (4) Magnetite
Last Answer : (1) Igneous Rock Explanation: Igneous rocks are formed through the cooling and solidification of magma (or lava). As hot, molten rock rises to the surface, it undergoes changes in temperature and ... Earth's crust. However, some are also formed on the surface as a result of volcanic activity.
Description : Which of the following is an example of Plutonic Igneous Rock? (1) Basalt (2) Granite (3) Slate (4) Dolomite
Last Answer : (2) Granite Explanation: When magma solidifies under the earth's surface, it forms plutonic rock bodies or plutons. The most common rock types in plutons are granite, granodiorite, tonalite, monzonite, and quartz diorite.
Description : Which of the following statements about the Himalayan rivers is not correct? (a) They have very large basins (b) Many of them pass through giant gorges (c) They perform very little erosion activity (d) Over the plain they display a strong meandering tendency and often shift their beds
Description : Which of the following States has the most critical problem of erosion of its coastal areas by the sea? (a) Kerala (b) Andhra Pradesh (c) West Bengal (d) Tamil Nadu
Description : The principal cause of soil damage in Punjab and Haryana is (a) Deforestation (b) Soil erosion (c) Excessive cultivation (d) Salinity and water logging
Description : "Mulching" is the term used for the process of (a) Covering the roots of plants with loose material, dung, etc. in order to protect them from soil erosion etc. (b) Breaking down big pieces ... into small ones (c) Transplanting of paddy seedlings (d) Nitrogen fixation of soil by use of fertilizers
Description : The wont affected state of India by the menace of sea erosion is (a) Kerala (b) Odisha (c) Gujarat (d) Andhra Pradesh
Description : Which of the following indicates the types of soil erosion in decreasing order of damage caused In India (a) Ravine erosion .and gullies, alkalinity and salinity weeds and water-logging (b) Alkalinity ... and weeds (c) Water-logging, weeds, salinity and ravine erosion (d) All are equally damaging
Description : Which of the following functions performed by a forest help most in controlling drought? (a) forests act as water sheds (b) forests bring rainfall in monsoon (c) forests lower the temperature of the environment (d) forests prevent soil erosion
Description : Which of the following is/are methods of checking soil erosion? 1. Strip cropping 2. Contour ploughing 3. Use of irrigation and fertilisers 4. Terrace farming (a) 1 and 2 (b) 3 and 4 (c) 2, 3 and 4 (d) 1, 2, 3 and 4
Description : Which of the following is true with regard to the, characteristics of the Himalayan rivers? 1. Many of them have their sources in the Inner Himalayas 2. They have a perennial flow 3. They have a great capacity for erosion 4. They ... gorges (a) I and II (b) I, II and III (c) III and IV (d) II and IV
Description : River Damodar is called 'Sorrow of Bengal' because it : [CPO SI 2003] (a) gets flooded often causing havoc (b) causes maximum soil erosion (c) forms number of dangerous waterfalls (d) is not a perennial river
Description : The main reason for deforestation in Asia is - (1) excessive fuel wood collection (2) excessive soil erosion (3) floods (4) construction of roads
Last Answer : (1) excessive fuel wood collection Explanation: The main causes of total clearance are agriculture and in drier areas, fuelwood collection. The main cause of forest degradation is logging. Mining, ... and heating are overcutting forests'. This problem is worst in drier regions of the tropics.
Description : Granite, quartzite areas have upstanding look because – (1) mechanically weathered faster (2) these rocks are resistant to all kinds of erosion (3) these rocks are not easily eroded (4) not easily worn down
Last Answer : (4) not easily worn down Explanation: Granite is high in quartz, a mineral very resistant to weathering. Similarly, quartzite is harder than steel. So, they are not easily worn down and ... and vice versa. So quartzite, though hard and chemically inert, can be fractured by physical weathering.
Description : Soil erosion on hill slopes can be checked by – (1) Afforestation (2) Terrace cultivation (3) Strip cropping (4) Contour ploughing
Last Answer : (2) Terrace cultivation Explanation: Terrace farming is a type of farming that was developed first by the Inca people. This method of farming uses "steps", called andenes that are built into the side of ... of water that would take plants with it and destroy the all of the crops on the hillside.
Description : Rift Valley is formed – (1) between two anticlines (2) between two faults (3) erosion of synclinal basin (4) due to volcanic eruption
Last Answer : (2) between two faults Explanation: A rift valley is a linear-shaped lowland between several highlands or mountain ranges created by the action of a geologic rift or fault. It is formed by the subsidence of a segment of the Earth's crust between dip-slip, or normal, faults.
Description : The land forms formed by wave erosion is : (1) Spit (2) Beach (3) Cave (4) Barrier island
Last Answer : (3) Cave Explanation: Cliffs, caves, arches, stacks are some of the landforms produced by wave erosion. Coves form where rock runs in bands horizontal to the direction of wave attack. ... and erodes using the processes of abrasion/corrosion and hydraulic action through to the soft rock behind.
Description : River erosion is at its greatest where river's – (1) depth is more (2) breadth is more (3) flow is fast (4) gradient is more
Last Answer : (3) flow is fast Explanation: The outer bank (called a cut bank) has the greatest erosion because the water is flowing faster along the outer bank than the inner bank. The slower water allows sediment to be deposited (called a point bar).