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Consider the following statements about doldrums :
1. they are a high pressure region
2. they are a zone of wind divergence
Which of the statements given above is/are correct ?

1 only
2 only
Both 1 and 2
Neither 1 nor 2
Explanation:
Doldrums are the region between 5 degree north and south of the equator. They are low pressure zones because of heating and trade winds from both hemisphere converges here. Doldrums, also called equatorial calms, equatorial regions of light ocean currents and winds within the intertropical convergence zone (ITCZ), a belt of converging winds and rising air encircling Earth near the Equator.The northeast and southeast trade winds meet there; this meeting causes air uplift and often produces clusters of convective thunderstorms.
Additional Questions

Which of the following conditions is/are conducive for the formation of tropical cyclones?
1. large and continuous supply of warm and moist air.
2. large value of coriolis force.
3. inflow of air at upper level of atmosphere.
Select the correct answer using the codes given below.

Answer

The atmospheric temperature significantly varies in its distribution pattern. The factors that are the reason for this variability include
1) Sign of latitude.
2) Land and water distribution.
3) Oceanic currents.
Choose the correct reason from the following codes.

Answer

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.

Answer

The Arabian Sea branch of the monsoon is much more powerful than the Bay of Bengal branch because

Answer

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?

Answer

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.

Answer

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.

Answer

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.

Answer

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 ?

Answer

The greatest damage to life and property from a hurricane is due to

Answer
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