Which zone lies between 66 ¹/₂ ⁰ and 90 ⁰ North and South of the equator?

The climatic zones are also called :

Which one among the following is known as Standard Meridian of India?

It is an imaginary plane that passes through the center of the earth.

The zone lies between 23 1/2^o and 66 1/2^o north and south of the equator is:

Which one among the following is based on World Standard Time?

Time zone follows a :

Which zone lies between 0⁰ and 23 ¹/₂ ⁰ North and South of the equator?

In which zones the heat is concentrated over smaller area?

The Prime Meridian which passes through