SPSC 25 years Past Papers 2001 to 2025

Q1641: In software engineering, what is an API is used for?

سافٹ ویئر انجینئرنگ میں، اے پی آئی کس چیز کے لئے استعمال ہوتا ہے؟

To secure applications

To store data

To enable communication between different software applications

None of these

Q1642: The recorder records sound in the form of ______?

ریکارڈر ریکارڈ ______ کی شکل میں ہے؟

Sound waves held on the tape

Magnetic field on the tape

Electric voltage on the tape

None of these

Q1643: Newton is known for his researches on ______?

نیوٹن ______ پر اپنی تحقیق کے لئے جانا جاتا ہے؟

Theory of population

Atomic structure

Laws of gravitation

None of these

Q1644: Proteins are detected by ______?

پروٹینوں کا پتہ ______ کے ذریعہ پایا جاتا ہے؟

Molisch’s test

Benedict’s test

Biuret test

None of these

Q1645: Foam is an example of _____?

جھاگ _____ کی مثال ہے؟

A liquid dispersed in a gas

A solid dispersed in a liquid

A gas dispersed in a liquid

None of these

Q1646: The geometry and type of hybrid orbital present about the central atom in BF₃ is ______?

Trigonal planner, sp^2

Tetrahedral, sp^3

Linear, sp

None of these

Q1647: Which device is used as a particle accelerator?

کون سا آلہ ذرہ ایکسلریٹر کے طور پر استعمال ہوتا ہے؟

Compound microscope

Cyclotron

Electroscope

None of these

Q1648: There is a region which is not simply connected is called?

Connected curve

Multi-connected

Multiple curves

None of these

Q1649: Chionophobia stands for the fear of _____?

چیونوفوبیا _____ کے خوف سے کھڑا ہے؟

Thunder

Snakes

Snow

None of these

Q1650: Binding energy of Helium is ______?

ہیلیم کی پابند توانائی ______ ہے؟

31 MeV

20 MeV

28.2 MeV

None of these