Which of the following statements about tornadoes are correct?

Tornadoes usually spin

1. anticlockwise in the northern hemisphere.
2. clockwise in the southern hemisphere.
3. clockwise in the northern hemisphere.
4. anticlockwise in the southern hemisphere.

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What would be the date and local time of a place located at 88^o 30' E longitude when the local time at 0^o longitude is 19.00 hrs of 28th February 2013?

Jawahar tunnel on Jammu-Srinagar highway passes through

Match List I with List II and select the correct answer using the code given below the lists :

Consider the following layers of the atmosphere :

1. Troposphere
2. Stratosphere
3. Mesosphere
4. Thermosphere

Which one among the following is the correct sequence of the layers with increasing altitude from the Earth’s surface?

The rigid lithospheric slabs are known as ‘Plates’. What would be the result, if the oceanic plate collides with the continental plate?

1. Oceanic plate is forced below the continental plate.
2. Continental plate is forced below the oceanic plate.
3. Continental and oceanic plates never collide.

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