All MCQs - JEST Past Papers Practice | PakExamPoint
Practise All MCQs in JEST Past Papers. Attempt multiple-choice questions, check answers and revise related subtopics.
All MCQs and revision practice
Study All through multiple-choice questions in JEST Past Papers. This subtopic contains 992 practice questions. Read the wording carefully, compare the options and attempt an answer before checking the solution in learning mode.
Use these All MCQs to identify the facts, rules or methods you need to revise. Where an explanation is available, work through it and write down why your chosen option was correct or incorrect. Revisit difficult questions after reviewing your notes, then use exam mode for timed practice.
درج ذیل میں سے کون سا عمل اینڈوتھرمک (حرارت جذب کرنے والا) ہے؟
A. 2H₂(g) + O₂(g) → 2H₂O(l)
B. H(g) + Cl(g) → HCl(g)
C. H₂O(g) → 2H(g) + O₂(g)
D. H₂O(l) → H₂O(s)
Check answer and explanation
Answer: H₂O(g) → 2H(g) + O₂(g)
Explanation H₂O(g) → 2H(g) + O₂(g) Endothermic reactions absorb heat from the surroundings. Breaking bonds requires energy input. Water vapour (H₂O) is broken into atoms, which needs energy. Therefore, this process is endothermic . Last verified on 11-04-2026
Explanation Given that the radius of a circle is increased to twice its original length We have to find the increase in the area of the circle Area of circle = πr² Where r is the radius of the circle Now, r = 2r Area of circle = π(2r)² = 4πr² Last updated by NA on 27 April 2026
Explanation Vasco da Gama was a famous explorer and navigator from Portugal . Additional information : Born: 1460, Sines , Portugal Died: 1524, Cochin , India Famous Achievement: First European to reach India by sea in 1498 Significance: Opened direct maritime trade between Europe and Asia Last verified on 15-01-2026
ایک سیل میں ڈھانچہ جو پروکاریوٹس اور یوکرائٹس کے مابین فرق کرتا ہے؟
A. None of these
B. Nucleus
C. Ribosome
D. Cell membrane
Check answer and explanation
Answer: Nucleus
Explanation Eukaryotic cells have a well-defined nucleus enclosed by a nuclear membrane. Prokaryotic cells lack a nucleus — their DNA floats freely in the cytoplasm. This is the main difference between the two.
Explanation " Around the chair " correctly describes the toy car moving in a circular path near the chair. It shows direction and movement without implying contact on top of the chair.
ہارڈ کاپی آؤٹ پٹ ڈیوائس کے لئے مندرجہ ذیل میں سے کون سا استعمال نہیں کیا جاسکتا؟
A. Printer
B. Plotter
C. Impact printer
D. Speaker
Check answer and explanation
Answer: Speaker
Explanation A Speaker is an audio output device and cannot produce hard copies (physical prints). Devices like printers, impact printers, and plotters are used to generate hard copy outputs.
Explanation شاعری : دہن پر ہیں ان کے گماں کیسے کیسے کلام آتے ہیں درمیاں کیسے کیسے زمین چمن گل کھلاتی ہے کیا کیا بدلتا ہے رنگ آسماں کیسے کیسے نہ گور سکندر نہ ہے قبر دارا مٹے نامیوں کے نشاں کیسے کیسے غم و غصہ و رنج و اندوہ و حرماں ہمارے بھی ہیں مہرباں کیسے کیسے پہلے شعر میں کیسے کیسے کے معنی کیا ہیں؟ مختلف آسماں کی رنگت کہہ کر شاعر نے شاعری کی کس صنف کی طرف اشارہ کیا ہے؟ کنایہ آخری شعر میں مستعمل لفظ اندوہ کے معنی کیا ہیں؟ غم مہربان کہہ کر شاعر نے کیا اشارہ کیا ہے؟ دُکھوں کی طرف تیسرے شعر کے مصرعے اولیٰ میں صنعت مستعمل کیا ہے؟ تلمیح
مندرجہ ذیل میں سے کون سا ہارمونکس بنیادی سے پچ میں دو آکٹیو زیادہ ہے؟
A. Fourth
B. Fifth
C. Second
D. Third
Check answer and explanation
Answer: Fourth
Explanation To find the harmonic that is two octaves higher in pitch than the fundamental, we need to consider the frequency multiplication. One octave higher = 2 × fundamental frequency Two octaves higher = 2 × 2 × fundamental frequency = 4 × fundamental frequency The fourth harmonic has a frequency four times the fundamental frequency, which corresponds to two octaves higher.
Explanation Teachers play a key role in facilitating and guiding the learning process by delivering lessons, encouraging critical thinking, and helping students understand concepts. Learning is the central focus of education, and teachers are directly involved in shaping how and what students learn.
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