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Earth’s magnetosphere is the area around the Earth where the geomagnetic field stretches out into space. Consider the following statements regarding magnetosphere.
1) It is uneven in shape as it stretches largely towards the Sun because of Sun’s magnetic field.
2) Solar winds can have influence on the Earth’s magnetosphere.
3) This sphere deflects the charged particles that approach the Earth’s surface.
Choose the correct statement/s from the following codes.
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Although green revolution brought a great success for our country during later 1960’s it also brought in few negatives. What are those negatives?
1) Inter crop disparity.
2) Inter personal inequalities.
3) Environmental pollution.
4) Regional economic disparity.
5) Unemployment.
6) Self sufficiency in all types of agricultural crop production.
Choose the correct code from the following.
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Migration is an unavoidable worldwide phenomenon.
Which among the following is/are the not the push factors for rural to urban migration especially in India.
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Which of the following region/s will have most of its rainfall in the months of December-January?
1. areas in the borderlands of the Mediterranean sea.
2. central and southern California coast in USA
3. central Chile
Select the correct answer using the codes given below.
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Consider the statements regarding our Solar System.
1) Pluto is the largest dwarf planet revolving around the Sun.
2) Every planet except Venus rotates from West to East just like Earth on its own axis.
3) It is nuclear fusion which takes place within the Sun which releases huge heat energy.
Choose the correct statements from the following code.
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Earth although has an average density of 5.5 g/cm cube, its core has a density of more than 11 g/cm cube.
What are the possible reasons?
1) Core is formed of materials like iron, nickel etc which has higher density.
2) Incumbent pressure from the overlaying rocks.
3) High temperature prevalent in the core region [more than 5000 degree Celsius].
Choose the correct code from the following.
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There are different discontinuities within the Earth’s internal structure. Which are the discontinuities that have been incorrectly matched with its/their respective locations?
1) Mohorvic discontinuity -- boundary between Core and Mantle.
2) Wiechert-Gutenberg discontinuity -- boundary between Crust and Mantle.
3) Conrad discontinuity – located at a depth of 15-20kms from the Earth’s surface.
Choose the correct code from the following.
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Consider the statements regarding Earth’s interior and seismic waves.
1) Primary waves totally disappear in the core region revealing that outer core is made up of liquid.
2) Secondary waves show changes in its speed as it travels from magma chamber to lithosphere region indicating difference in density.
3) The speed of secondary waves is highest inside the Earth’s Core region indicating highest density in the Core region.
Choose the correct statement/s from the code below.
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Winter solstice for Northern Hemisphere generally is on 22nd or 21st December every year.
Consider the statements regarding winter solstice in Northern Hemisphere.
1) The circle of illumination excludes the North Pole region from Sunlight.
2) From 66.5 degree South to 90 degree South, the Sun remains below the horizon the entire day.
3) Arctic Circle is the Southernmost parallel in the Northern Hemisphere that experiences a 24 hour period of darkness on this day.
Choose the correct statements from the codes below.
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Atacama desert is one of the driest deserts of the world. Apart from other reasons there is a particular current which has made it a driest desert. Which is that current?
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