CMAT Physics questions

Given below are two statements:

Statement I : Food is cooked in pressure cooker quickly because it retains heat for a longer period.
Statement II : Food is cooked in pressure cooker quickly because boiling point of water increases.

In the light of the above statements, choose the correct answer from the options given below

Consider the following statements regarding ocean currents.
1. The heat fishing grounds of the world exit mainly in the mixing zones of warm and cold ocean current
2. Gravity is one of factor influencing ocean currents Identify the correct statements :

Consider the following statements regarding HEATING AND COOLING OF ATMOSPIILIU:
1. Convention is important in heating the lower layers of the atmosphere.
2. The convention transfer of energy is confined only to the troposphere.
3. 'Ioo' is the outcome of advection process.
Identify the correct statements :

_________________ varies directly with vibrating body's amplitude.

UIDAI comes under:-

Which of the following is true for wires of the same material and diameter?