Climatic Change

Options:

1. Concentration of greenhouse gases
2. Concentration of radioactive elements
3. Concentration of carbon dioxide
4. Concentration of methane

Correct Answer

Options:

1. Areas with permanently frozen ice cover on the ground surface
2. Areas in permanently frozen condition without permanent ice cover on the ground surface
3. Areas with no climatic variations
4. Areas with no permafrost

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Options:

1. Wegener
2. J. Hansen
3. J. Tyndall
4. S. Arrhenius

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Options:

1. The continental drift theory
2. The plate tectonic theory
3. The sea level change theory
4. The sea floor spreading theory

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Options:

1. 1°C to 15°C
2. 10°C to 20°C
3. -1°C to -15°C
4. -10°C to -20°C

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Options:

1. Climatic fluctuations for the past 200 years
2. Environmental temperatures for the past 100 years
3. Concentration of greenhouse gases for the past 50 years
4. Levels of atmospheric pollution for the past 10 years

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Options:

1. Cenozoic era
2. Mesozoic era
3. Paleozoic era
4. Precambrian era

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Options:

1. Appalachian Mountains
2. Rocky Mountains
3. Alps
4. Himalayas and Tibetan plateau

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Options:

1. They have no relationship.
2. Horizontal plate movements lead to seafloor spreading along convergent plate boundaries.
3. Horizontal plate movements lead to orogenesis along convergent plate boundaries.
4. Horizontal plate movements lead to upliftment and subsidence.

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Options:

1. Duricrusts
2. Inslebergs
3. Floodplains
4. Glaciated valleys

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Options:

1. To determine the age of the landforms.
2. To reconstruct palaeoclimates.
3. To identify the locations of natural resources.
4. To study the formation of volcanic rocks.

Correct Answer

Options:

1. Landforms characterized by high-angle rock-cut surfaces surrounding mountains.
2. Landforms characterized by low-angle rock-cut surfaces surrounding mountains.
3. Landforms characterized by flat surfaces surrounding mountains.
4. Landforms characterized by piles of broken and exposed masses of hard rocks.

Correct Answer

Options:

1. Landforms characterized by high-angle rock-cut surfaces surrounding mountains.
2. Landforms characterized by low-angle rock-cut surfaces surrounding mountains.
3. Piles of broken and exposed masses of hard rocks.
4. Flat surfaces surrounding mountains.

Correct Answer

Options:

1. Fluvial origin
2. Periglacial origin
3. Universal processes of pediplanation in different climatic conditions
4. Tors are of tectonic origin

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Options:

1. The nature of geomorphological processes is not related to temperature and precipitation.
2. The nature of geomorphological processes depends only on temperature.
3. The nature of geomorphological processes depends only on precipitation.
4. The nature of geomorphological processes depends on the combinations of temperature and precipitation.

Correct Answer

Options:

1. The region was glaciated at the time of formation and deposition of these erratics.
2. The region is currently experiencing glacial climate.
3. The region is likely to experience glacial climate in the near future.
4. The presence of glacial boulders or erratics in a region presently having other than glacial climate has no significance.

Correct Answer

Options:

1. Glacial boulders and erratics
2. Frost-riven cliffs, tors, altiplanation terraces, patterned grounds, thermokarst lakes, nivation hollows, involutions, pingos, congelifluctate landforms, blockfields, boulderfields
3. Sea level fluctuations
4. None of the above

Correct Answer

Options:

1. Relatively warm periods separating two glacial periods
2. Relatively cold periods separating two warm periods
3. Periods with no temperature fluctuations
4. Periods with extreme temperature fluctuations

Correct Answer

Options:

1. A systematic description of climatic conditions and climatic changes in terms of geological history of the earth
2. A systematic description of geological events involving information of various zones of the earth
3. A systematic description of the formation and evolution of geomaterials
4. A systematic description of the formation and development of mountains and faults

Correct Answer

Options:

1. Regular weather conditions
2. Extremes of weather conditions, including freezing of rivers and lakes, floods, droughts, and famines
3. Geological events involving information of various zones of the earth
4. Formation and development of mountains and faults

Correct Answer