Explanation

POC stand for Pakistan Original Card.

POC is an identity card which is issued to those Pakistani origin individuals who have renounced their Pakistani nationality.

POC holder is not a Pakistani citizen but he/she may travel and stay in Pakistan without visa as long as POC card is valid.

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Explanation

Physics is the study of matter, energy and the interactions between them.

It includes the study of mechanics, heat, light and other radiation, sound, electricity, magnetism, and the structure of atoms.

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It deals with the study of the Interaction between matter and energy

Physics is the scientific study of physical phenomena like the motion of matter and energy and force.

It helps us to understand the world around us.

Physics is the most fundamental part of science.

Explanation

Options B and C both are correct because 

 the singular noun "cat" with the singular verb "sleeping"

the plural noun cat" with the plural verb "sleeping"

Note:

Subjects and verbs always have to agree with each other.

A singular subject must take a singular verb.

Explanation

Nusrat Fateh Ali Khan born October 1948.

King of Qawwali, Nusrat Fateh Ali Khan died on August 16, 1997 of a sudden cardiac arrest in London at the age of 48.

Explanation

Studies have shown that the shape and size of the foundation pit have a significant influence on deformation and stability.

Explanation

The admixtures slow down the initial rate of hydration of cement or prolong the setting of cement paste in concrete.

Retarding admixtures are frequently required in hot weather conditions to facilitate delaying the setting time

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Explanation

The finite element method (FEM) is a popular method for numerically solving differential equations arising in engineering and mathematical modeling.

Explanation

Water reuse is the method of recycling treated wastewater for beneficial purposes, such as agricultural and landscape irrigation, industrial processes, toilet flushing, and groundwater replenishing

Explanation

Many practical and proprietary methods exist to avoid plastic shrinkage cracking, including various curing methods, power floating, the use of cold water, shrinkage reducing admixtures, and fibres.

Covering concrete with plastic sheets or wet burlap is the most common practical concrete curing method.

Explanation

Ground water recharge includes recharge as a natural part of the hydrologic cycle and human-induced recharge, either directly through spreading basins or injection wells, or as a consequence of human activities such as irrigation and waste disposal.