Hello Readers Students and tutors this is a complete bilingual (English + Roman Urdu) solution of the three Applied Sciences Section-A papers (HSSC-I) with detailed answers and explanations for each MCQ. The content is highly optimized for Students. It is Essay Short And To The Point. I hope every Student can understand this because it is based upon full concepts
🧪 Applied Sciences HSSC-I | Section-A Solved MCQs with Explanations (FBISE/PMF)
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Applied Sciences HSSC-I Section-A Solved MCQs 2025 (FBISE & PMF) | Bilingual with Explanations
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Get fully solved Applied Sciences HSSC-I Section-A MCQs with answers and detailed explanations in Urdu and English. Perfect for students of Dispenser, MLT, OTT under PMF and FBISE. Best SEO-optimized guess paper 2025!
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🔥 Why This Blog Post Matters?
This post provides complete solutions of Section-A MCQs (FBISE & PMF) for Dispenser, MLT, OTT students preparing for HSSC-I Applied Sciences. All MCQs are answered with brief explanations in English + Roman Urdu so students can easily understand and memorize.
📘 Paper 1: Applied Sciences HSSC-I (Section-A)
Total MCQs: 10 | Time: 10 Minutes | Marks: 10
Q1. Value of G is:
Correct Option: C. 6.63 × 10⁻¹¹
Explanation (Eng):
G is the gravitational constant used in Newton’s law of universal gravitation.
Explanation (Urdu):
G aik constant hai jo Newton ke universal gravitation law mein use hota hai. Iski value 6.63 × 10⁻¹¹ m³/kg.s² hoti hai.
Q2. Unit of acceleration is:
Correct Option: B. m/(sec)²
Explanation (Eng):
Acceleration = change in velocity/time; its unit is meter per second squared.
Explanation (Urdu):
Acceleration ka matlab hota hai velocity mein tabdeeli. Iska unit meter per second square (m/s²) hota hai.
Q3. Unit of power is:
Correct Option: A. Watt
Explanation (Eng):
Power is the rate of doing work; its SI unit is Watt (W).
Explanation (Urdu):
Power ka matlab hai kaam ki raftar. Iska SI unit Watt hai.
Q4. When the change in velocity is decreasing then it is called:
Correct Option: B. Retardation
Explanation (Eng):
Negative acceleration or slowing down is called retardation.
Explanation (Urdu):
Jab speed kam ho rahi ho to isay retardation ya negative acceleration kehtay hain.
Q5. Equation of Newton’s third law:
Correct Option: B. F = –F
Explanation (Eng):
For every action, there is an equal and opposite reaction.
Explanation (Urdu):
Har action ka aik equal aur opposite reaction hota hai. F = –F.
Q6. Equation of power:
Correct Option: A. P = VI
Explanation (Eng):
Power = Voltage × Current. Formula: P = V × I.
Explanation (Urdu):
Power ka formula hai P = V × I. Jahan V voltage hai aur I current.
Q7. Name of group 5 in periodic table:
Correct Option: C. Nitrogen family
Explanation (Eng):
Group 5A elements include nitrogen, phosphorus, etc.
Explanation (Urdu):
Group 5A mein Nitrogen family hoti hai jismein nitrogen aur phosphorus shamil hotay hain.
Q8. Valency of group 6 in periodic table:
Correct Option: B. +4
Explanation (Eng):
Group 6 elements usually have +4 or +6 valency.
Explanation (Urdu):
Group 6 ke elements aksar +4 ya +6 valency show karte hain.
Q9. Reaction of acid + base = salt + water is called:
Correct Option: C. Neutralization
Explanation (Eng):
When acid reacts with base, it forms salt and water.
Explanation (Urdu):
Jab acid aur base react karte hain to salt aur water banta hai. Isay neutralization kehtay hain.
Q10. Dot product of force and displacement is:
Correct Option: A. Work done
Explanation (Eng):
Work done = Force × Displacement × cos(θ)
Explanation (Urdu):
Work done ka formula hai: Force × Displacement × cosθ.
📘 Paper 2: Applied Sciences HSSC-I (Section-A)
Q1. What is the second name of sugar?
Correct Option: B. Sucrose
Explanation:
Sucrose is the scientific name of table sugar.
Q2. Which organ converts chemical energy into mechanical?
Correct Option: C. Muscle
Explanation:
Muscles convert chemical energy from food into movement.
Q3. Which of the following is equal to 200 N?
Correct Option: D. 20 Joule
Explanation:
Force = mass × acceleration; if 200N is used with 10m/s², energy is 20J (simplified).
Q4. Most reactive oxidizing agent:
Correct Option: D. Florine
Explanation:
Fluorine is highly reactive and the strongest oxidizer.
Q5. Newton’s 3rd law equation:
Correct Option: C. F = –F
(Already explained in Paper 1)
Q6. Valency of group 7:
Correct Option: C. –1
Explanation:
Group 7 elements like Cl and F need one electron = –1 valency.
Q7. Atomic mass is defined as:
Correct Option: A. Protons + Neutrons
Explanation:
Atomic mass = Protons + Neutrons in an atom.
Q8. Average value of ‘g’ on moon:
Correct Option: A. 1.8 m/s²
Q9. Intensity threshold of hearing:
Correct Option: C. 0 dB
Explanation:
Human ear can detect sound from 0 dB and above.
Q10. Group 6 in periodic table:
Correct Option: D. Oxygen family
📘 Paper 3: Applied Sciences HSSC-I (Section-A)
Q1. Which of the following is equal to micro (μ)?
Correct Option: D. 10⁻⁶
Q2. Vector quantity?
Correct Option: A. Velocity
Explanation:
Velocity has both magnitude and direction, so it is a vector.
Q3. Transfer of heat from Sun?
Correct Option: C. Radiation
Explanation:
Heat from sun reaches earth through radiation.
Q4. Density is:
Correct Option: B. Mass to volume
Q5. Force per area:
Correct Option: C. Pressure
Q6. Hydrogen + Oxygen forms water:
Correct Option: A. Synthesis
Q7. Lesser quantity in a solution:
Correct Option: A. Solute
Q8. Mass number of atom:
Correct Option: B. Neutron and Proton
Q9. Causes Ionization:
Correct Option: D. X-Rays
Q10. Bitter taste:
Correct Option: B. Bases
✅ Conclusion (خلاصہ)
یہ مکمل solved MCQs کے سوالات آپ کے 2025 کے PMF یا FBISE امتحان کے لیے نہایت مفید ہیں۔ ہر سوال کو آسان زبان میں سمجھایا گیا ہے تاکہ طلباء کو رٹا نہ لگانا پڑے بلکہ وہ سمجھ کر یاد رکھ سکیں۔
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