Practise All MCQs in BPSC Past Papers. Attempt multiple-choice questions, check answers and revise related subtopics.
Study All through multiple-choice questions in BPSC Past Papers. This subtopic contains 1624 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
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Answer: All of them
Explanation An equivalence relation must be reflexive, symmetric, and transitive. These three properties together define equivalence among elements in a set .
اگر فیکٹریوں میں پیداوار تیزی سے بڑھ جائے تو سب سے زیادہ دباؤ کس توانائی استعمال کرنے والے شعبے پر پڑتا ہے؟
Answer: Industrial sector
Explanation Industrial production requires large amounts of energy. Factories use electricity, fuel, and raw energy for machines and processes. When production increases , energy demand in industries also rises. This directly increases pressure on the industrial energy sector . Last verified on 08-05-2026
مندرجہ ذیل میں سے کون سا وٹامن انسانی جسم میں سورج کی روشنی کی مدد سے تیار ہوتا ہے؟
Answer: D
Explanation During exposure to sunlight 7-dehydrocholesterol in the skin absorbs UV B radiation and is converted to previtamin D3 which in turn isomerizes into vitamin D3. agm 15.3.2023
راکھ اور دھول کے چھوٹے چھوٹے ذرات ہوا سے اڑا سکتے ہیں اور بڑے علاقوں میں پرتوں میں پھیل سکتے ہیں وہ چٹانوں میں سخت ہوجاتے ہیں جسے ______ کہتے ہیں؟
Answer: Tuffs
Explanation Tuffs are consolidated volcanic ash and fine particles blown by wind and deposited over areas . Over time, they harden into rock, forming a distinct type of volcanic rock .
پاکستان میں شدید درجہ حرارت کی سب سے بڑی وجہ کون سا عنصر ہے؟
Answer: Continental location
Explanation Pakistan experiences temperature extremes mainly due to its continental location . Being far from large oceans reduces the moderating effect of sea breezes. This causes very hot summers and cold winters . Interior land areas heat up and cool down more quickly than coastal areas. Last verified on 13-05-2026
Answer: They reduce transmission losses and improve efficiency.
Explanation HVDC systems transmit power with lower resistive losses over long distances compared to AC systems. They also allow better control of power flow and can connect asynchronous grids efficiently .
قبل از پیدائش کلاسوں کے دوران ، ایک دائی کی وضاحت کرتی ہے کہ لوچیا _____ پر مشتمل ہے؟
Answer: Blood, mucus, and uterine tissue
Explanation Lochia is the postpartum vaginal discharge composed of blood, mucus, and uterine tissue . It indicates the normal involution of the uterus after childbirth.
ڈیجیٹل سگنل پروسیسنگ میں سگنل کا تجزیہ کرنے کے لئے عام طور پر کون سا ریاضی کا آلہ استعمال کیا جاتا ہے؟
Answer: Fourier transform
Explanation The Fourier transform converts a signal from the time domain to the frequency domain. It helps analyze signal components like frequency, amplitude, and phase .
Answer: 2
Explanation • Diameter = 2 × radius • So, diameter is twice (2 times) the radius. • It passes through the center of the circle . Last verified on 09-05-2026
سن 2017 کی مردم شماری کے مطابق پاکستان میں مردوں کی تعداد کتنی تھی؟
Answer: 106.4 million
Explanation Total population (2017): approx 207.8 million Males : approx 106.4 million Females : approx 101.3 million 2017 census was the 6th national census of Pakistan. Census conducted after 19 years gap (last in 1998 ) Last verified on 08-05-2026
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