Explanation

The Global Positioning System (GPS) was developed by the U.S. Department of Defense in 1973.

It was originally designed for military navigation but later became widely used for civilian purposes.

Explanation

Animals cannot use atmospheric nitrogen directly; they obtain nitrogen by consuming proteins in food.

These proteins are broken down into amino acids, which are used for growth and repair of body tissues.

Explanation

Lest is used to express a negative purpose or warning, meaning to avoid the possibility of something happening.

The correct structure after lest is a verb in the subjunctive mood (without do, does, or will).

Explanation

In the sentence, "obey" is the main verb because it shows the action that "him" is made to do.

It follows the causative verb "make," which takes a bare infinitive (obey) without 'to' after it.

Explanation

Zakat is calculated based on the lunar year (Hijri calendar), which is about 354 days.

It becomes due after one full lunar year if a person's wealth meets the Nisab threshold.

Explanation

Aims of education define the purpose and goals of an education system.

They guide curriculum development, teaching methods, and assessment strategies.

Explanation

The shaded part in the Venn diagram represents Q - P, meaning elements that belong to set Q but not to P.

Explanation

Refuted means تردید

Supported means تائید

Explanation

The phrase "burst into tears" is a common expression meaning to suddenly start crying.

Burst into tears means آنسوؤں میں پھٹ گیا

Explanation

The value of cosec 30° is the reciprocal of sin 30°.

Since sin 30° = 1/2,

cosec 30° = 1 / (1/2) = 2