IBA STS MDCAT Past Paper 08-12-2024

Q101: For an inelastic collision, which of the following is correct?

غیر لچکدار ٹکراؤ کے لیے، درج ذیل میں سے کون سا درست ہے؟

Kinetic energy is conserved

Momentum is conserved

Kinetic energy is not conserved

None of these

Q102: The skin cancer can be caused by ______?

جلد کا کینسر ______ کی وجہ سے ہو سکتا ہے؟

Alpha radiation

Beta radiation

Ultraviolet radiation

None of these

Q103: Scientist Friedel and Crafts performed which type of reaction?

سائنسدان فریڈیل اور کرافٹس نے کس قسم کا رد عمل کیا؟

Alkylation

Hydrogenation

Oxidation

None of these

Q104: A bone that lies in between the skull & postcranial skeleton is _____?

ایک ہڈی جو کھوپڑی اور پوسٹ کرینیئل کنکال کے درمیان ہوتی ہے _____ ہے؟

Malleus bone

Stapes bone

Hyoid bone

None of these

Q105: What are the true characteristics of class anthozoa?

کلاس انتھوزوا کی حقیقی خصوصیات کیا ہیں؟

Mesoglea fibrous, polpoida forms only

Mesoglea fibrous, predominantly medusoid

Mesoglea cellular, both polyp & medusa

None of these

Q106: A coil of 600 turns is threaded by magnetic flux of 8 webers. If this flux is reduced to 5 webers in 3 seconds the induced EMF in the coil will be _____?

600V

800V

700V

None of these

Q107: Which reagent can differentiate alcohol and phenol?

کون سا ری ایجنٹ الکحل اور فینول میں فرق کر سکتا ہے؟

Neutral FeCl₃

NaOH

Br₂ water

None of these

Q108: Standing waves undergo ______?

کھڑی لہریں ______ سے گزرتی ہیں؟

Interference

Reflection

Refraction

None of these

Q109: A generator supplies 100 V to the primary coil of a transformer. The primary has 150 turns and the secondary has 500 turns. The secondary voltage is ______?

1000V

700V

800V

None of these

Q110: How many active sets of electrons are present in the central atom of H₂O?

پانی کے مرکزی ایٹم میں الیکٹران کے کتنے فعال سیٹ موجود ہیں؟

2

4

6

None of these