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Consider the statements regarding salinization which is a one of the major problem, reducing Indian agricultural productivity.
1. In drier regions, capillary action can lead to salt accumulation on the surface of the land which is brought from the deep saline ground water tables.
2. Irrigation can result in salinization of soils.
3. It can occur both naturally as well as artificially.
Choose the correct statements from the codes given below.
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The Arabian Sea branch of the monsoon is much more powerful than the Bay of Bengal branch because
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Paleomagnetism is the past magnetism of Earth stored in a rock.
Which among the following type of rocks provides most reliable readings of magnetism at a particular time?
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Troposphere being the weather layer is the most important layer.
Consider the statements regarding this weather layer.
1) The height of the troposphere increases from Equator to the Poles.
2) The height of the troposphere is comparatively more during the summer season than in the winter season.
3) The height of the troposphere doesn’t get affected by the change in seasons.
Choose the correct statement/s from the following code.
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Himalayan yew is a plant found in Himachal Pradesh and Arunachal Pradesh was in news recently.
Consider the following statements regarding the plant.
1) It is a medicinal plant.
2) A chemical compound called ‘Taxol ‘obtained from the plant is used as an effective anti-TB drug.
Choose the incorrect statements from code below.
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Earth experiences seasons in a rhythmic fashion.
What are the causative factors?
1) Rotation of the Earth on its own axis.
2) Revolution of the Earth in its orbit around the Sun.
3) Spherical shape of the Earth.
4) Earth’s tilted axis.
5) Axial parallelism.
Choose the correct code from the following.
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Some parts of India has littoral and swamp forests. With reference to these forests ,consider the following statements :
1. they can survive in both fresh as well as brackish water
2. important species of such forests are teak, sal, mahua etc
Which of the statements given above is/are correct ?
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The greatest damage to life and property from a hurricane is due to
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Which of the following areas is/are best suited for formation of air masses?
1. an extensive area with broadly uniform surface of earth.
2. areas having cyclones.
3. hot deserts in tropical regions.
Select the correct answer using the codes given below.
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Which one of the following is correct descending order (% composition) of permanent gases of Atmosphere?
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