Explanation

سجاد حیدر یلدرم 1880ء میں ضلع بجنور میں پیدا ہوئے۔

اور ابتدائی تعلیم بنارس میں حاصل کی۔

یہاں ان کے والد سید جلال الدین سرکاری ملازم تھے۔

وہ 1943ء میں انتقال کرگئے۔

Explanation

The Shah of Iran, Mohammad Reza Pahlavi, visited Pakistan for the first time in March 1950.

This visit strengthened Pakistan-Iran diplomatic relations, leading to future alliances like RCD (1964) and ECO (1985).

Explanation

Silicon is a chemical element with the symbol Si and atomic number 14.

Silicon dioxide (SiO₂) is the primary component in glass, making it transparent and durable.

It is obtained from sand (quartz).

It is essential in glass manufacturing

Explanation

Explanation

Chlamydomonas moves using two flagella, which help in swimming.

Flagella are whip-like structures that enable movement in water.

Explanation

Oxyacetylene flame is used in welding and cutting metals due to its high temperature.

It provides a flame temperature of about 3200°C, making it suitable for industrial applications.

Explanation

Husky means مضبوط

Robust means طاقت ور

Explanation

Present Indefinite Tense

Active Voice Formula: Subject + Verb + Object.

Passive Voice Formula: Object + Is/Am/Are + Third form of a main verb + by + Subject

Explanation

Persuasive means قائل کرنا

Unconvincing means مانا نہ جا سَکنے والا

Explanation

My father told me that I might get late to catch the bus on time.

In indirect speech, "may" changes to "might" in the past tense.

"Said to" changes to "told" when reporting a statement.