Questions

The absence of a landmass within these latitudes in the southern hemisphere eliminate friction and lends force to these winds and hence derives the name

The first indicator of an approaching thunderstorm is a buildup of dark clouds.

A thunderstorm is a storm with lightning and thunder; it is usually produced by heavy rain, gusty wind, and the cumulonimbus cloud. The thunderstorm is made up of moisture, unstable air and lift.

All the above will stay where they are when they goes off. Basically anything that can swithch on or off will come under this.

DNA replication is the biological process of producing two identical replicas of DNA from one original DNA molecule. DNA replication occurs in all living organisms acting as the basis for biological inheritance. Complementary base pairing helps prevent errors in DNA replication.

In the first figure, number of triangles are 5.

In the second, the figure becomes double then the number of triangles also doubles.

i.e, 10. 

Given 8, 9, 1, 11 letters indicates HOME which is residence

7, 2, 9, 5 indicates POOL where we can swim

1, 4, 5, 11 indicates MILE which is unit of distance

10, 9, 3, 6, 5 is NOBEL which is an International Prize

6, 11 are 'e' and 2, 9 are 'o' are same

With all the above hints the word is MOBILEPHONE.