Which of the following method is used for determining the rate of motion of oceanic plates?

1. Which of the following statement regarding protostar is correct?

Which of the following statements associated with chemical weathering process is/are correctly matched?

1. Oxidation: It is the reaction of carbonate and bicarbonate with minerals.

2. Hydration: It is the repeated cycles of freezing and melting through physical addition of water leading into fatigue & disintegration.

3. Reduction: It is the placement of mineral in absence of oxygen mainly below the water table.

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Mizoram is known as "Molasses basin". What is it made up of?

Which of the following statement is/are true?

1. Rotation of earth and its tilted axis is responsible for changes in season.

2. Cloudiness means more insolation for earth.

3. More the green house gases more will be the insolation.

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In the context of Himalayas, what do you mean by "Bugyals"?

Waterfalls and rapids landforms are formed in which of the stage?

Which of the following statements related to the salinity is/are correct?

1. North Sea records higher salinity due to more saline water brought by the North Atlantic Drift.

2. Red Sea records lower salinity due to enormous fresh water influx by rivers.

3. Mediterranean Sea records higher salinity due to high evaporation.

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Which of the following pair of rocks do not lead to formation of caves in Karst Topography

The Nilgiris along the west coast are relatively tectonically stable as compared to the Himalayas; but, still, debris avalanches and landslides occur though not as frequently as in the Himalayas, in these hills. Why?

1. Many slopes are steeper with almost vertical cliffs and escarpments in the Western Ghats and Nilgiris.

2. Mechanical weathering due to temperature changes and ranges is pronounced in this region.

3. They are mostly made up of sedimentary rocks and unconsolidated and semi-consolidated deposits.

4. They receive heavy amounts of rainfall over short periods.

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Which of the following statements correctly depicts the impact of El-Nino on the Peruvian coast?

1. Reduction in the amount of planktons.

2. Occurrence of drought.

3. The location of tropical storms shifts westward from coast.

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Which of the following is true regarding global isotherms?

1. Isotherms of southern hemisphere are more regular and straight as compared to that of northern hemisphere.

2. In January the isotherms deviate to the north over the ocean and to the south over the continent in the Northern Hemisphere.

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Doab is a term used in India and Pakistan for the "tongue" or "tract" of land lying between two converging, or confluent, rivers. Which of the following doabs are correct?

1. Sind Sagar Doab between River Indus and Satluj.

2. Rechna Doab between River Chenab and the Ravi.

3. Jech Doab between River Jhelum and the Beas.

4. Jullundur Doab between River Beas and the Sutlej.

5. Majha Doab between River Ravi and the Beas.

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Which of the following terminologies associated with Continental Drift Theory is/are correctly matched?

1. Tillite: Metamorphic Rock that consists of consolidated masses of unweathered blocks and glacial till in a rock flour.

2. Placer Deposits: It is an accumulation of valuable minerals caused by the effect of gravity on moving particles.

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Which of the following statements is/are true about action of running water?

1. Overland flow of water causes sheet erosion which leads to formation of rills and gullies, respectively.

2. Sheet erosion leads to formation of peneplain comprising several monad-nocks.

3. V-shaped valleys in youthful stage are formed due to lateral erosion of valley sides.

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17. Which of the following statement related to Bardoli Cheerha is correct?

Which of the following statements is/are true regarding Convectional Current Theory?

1. The forces responsible for formation of continents are generated due to the radioactive elements causing thermal differences in the core portion.

2. The convectional currents are present in the entire mantle and core portion.

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Which of the following statements defines the significance of the process of weathering?

1. Weathering provides regolith for the formation of soil.

2. Weathering produces concentrations of valuable mineral ores of iron, manganese, tin, etc.

3. Weathering aids mass wasting and reduction of relief.

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Which of the following is/are true about the heating & cooling of atmosphere?

1. Conduction takes place when the air in contact with the earth rises vertically on

heating in the form of currents and further transmits the heat.

2. Convection takes place when the air in contact with the land gets heated slowly and the upper layers in contact with the lower layers also get heated.

3. The transfer of heat through horizontal movement of air is called advection.

Which of the following are the breeding grounds for temperate cyclone?

1. South-east Caribbean region

1. Continental Margins: Deep oceanic trenches are found here.

2. Abyssal Plains: It is the zone of intense volcanic activity.

3. Mid-oceanic ridges: Mountain range present under the sea where the continental sediments get deposited.

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Which of the pair(s) is/are correctly matched?

1. Albedo: the percentage of the reflected amount of solar radiation from earth.

2. Inversion of Temperature: decrease of temperature with increase in height.

3. Terrestrial radiation: long wave radiation absorbed by the greenhouse gases.

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Which of the following pair(s) is/are correct?

1. Continental Margins: Deep oceanic trenches are found here.

2. Abyssal Plains: It is the zone of intense volcanic activity.

3. Mid-oceanic ridges: Mountain range present under the sea where the continental sediments get deposited.

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24. Which of the following is/are true in the context of 'rock cycle'?

1. Metamorphic rocks through continuous denudation changes into Igneous rocks.

2. Sedimentary rocks upon melting in the interior changes into metamorphic rocks.

3. Igneous rocks under high pressure and heat transformed into metamorphic rocks.

25. Which of the following statement is/are true about the ocean currents?

1. Pressure gradient, temperature and salinity differences lead to formation of Ocean currents.

2. Ocean currents help in navigation and influence the weather of the region.

3. Unlike winds they are not influenced by coriolis force.

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Consider the following statements:

1. These are a series of large ocean waves

generated by large undersea disturbances.

2. These are characterized by enormous wavelength and high velocity that are triggered by the sudden disturbances.

3. There occurrence are relatively rare in the Indian Ocean, and are most common in the Pacific Ocean.

The above features are of:

Consider the following statements regarding the forces acting on the landforms:

1. For endogenic process, the energy is generated by the rotational & tidal friction only.

2. The process of Diastrophism & gravity come under exogenic forces.

3. Temperature and precipitation control the various exogenic forces.

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4. Which of the following statements is/are true regarding the Himalayan Fold Mountains?

1. They are the oldest mountain ranges in the world.

2. They are located in the regions of high seismic activity and convergent plate boundary.

3. They are formed generally by the sedimentary rocks and contain fossils which are marine is nature.

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Which of the following are the favourable factors for the formation of tropical cyclones?

1. Small enclosed sea with surface temperature above 27 degree C.

2. Upper divergence above the sea level system.

3. Minimum level of vertical wind shear between the upper and lower layers of the troposphere.

4. Presence of coriolis force.

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Which of the following act as the requisite for the mass movement?

1. Increase in gradient and height of slopes.

2. Removal of material from over the original slope surfaces.

3. Saturation and lubrication of slope materials.

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