Explanation

BCNF is a stronger version of the 3rd Normal Form; it handles certain anomalies that 3NF does not.

It ensures that every determinant is a candidate key, improving data integrity.

Explanation

خیبر کے دن نبی کریم ﷺ نے فرمایا: کل جھنڈا اُس کو دوں گا جو اللہ اور اس کے رسول سے محبت کرتا ہے، اور اللہ و رسول اس سے محبت کرتے ہیں۔

اگلے دن جھنڈا حضرت علی رضی اللہ عنہ کو دیا گیا، اور انہی کی قیادت میں قلعہ خیبر فتح ہوا۔

Explanation

"Did not play" is the correct past simple negative form for the verb "play."

Subject (He) + auxiliary verb (did) + not + base verb (play).

Explanation

A fraction of the form P(x)/Q(x), where both P(x) and Q(x) are polynomials and Q(x) ≠ 0, is called a rational function.

This is because it represents the ratio of two polynomials, which defines a rational expression.

Explanation

Possessive pronoun "Her" comes first.

Followed by adjectives in this order:

Opinion (comfortable)

Age (old)

Material (wooden)

This is the correct sequence for multiple adjectives before a noun.

Explanation

"Than" is used to introduce the second element in a comparison.

In the sentence, it connects "this" and "that," making it a conjunction.

Explanation

Peptidoglycan (also known as murein) is a mesh-like polymer that makes up the cell wall of most prokaryotes, especially bacteria.

It provides rigidity and structural support, protecting the cell from osmotic pressure.

Explanation

A Peer-to-Peer (P2P) network is cheap and simple to set up, as it doesn’t require a dedicated server.

It's ideal for small networks within a building where each computer shares resources equally.

Explanation

Operant conditioning, developed by B.F. Skinner, is learning based on the consequences of behavior (rewards or punishments).

Behavior is strengthened or weakened depending on whether it is followed by reinforcement or punishment.

Explanation

Need analysis in curriculum development identifies the gap between what is taught (theory) and what is required in real-world application (practice).

It ensures the curriculum is relevant and meets learners' practical needs.