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.

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All: questions and answer review

Try each question before opening its answer. Record the concept behind each mistake and revisit it during your next practice session.

491. The speed of sound in air at room temperature is approximately?

کمرہ درجہ حرارت پر ہوا میں آواز کی رفتار تقریباً کتنی ہوتی ہے؟

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Answer: 340 m/s

Explanation Sound travels in air at a moderate speed. At room temperature (about 20°C), it is around 340 m/s . This value can slightly change with temperature . Last verified on 11-04-2026

492. Two perpendicular vectors have magnitudes 3 N and 4 N. The resultant is?

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Answer: 5 N

Explanation Perpendicular vectors → R = √(3² + 4²) = √(9 + 16) = √25 = 5 N Last verified on 12-04-2026

493. The atomic property defined as the minimum energy required to remove an electron from a gaseous atom in its ground state is called _______?

ایٹم پراپرٹی کو کم سے کم توانائی کے طور پر بیان کیا گیا ہے جس کو اس کی زمینی حالت میں کسی گیس ایٹم سے الیکٹران کو ہٹانے کے لئے درکار ہے اسے _______ کہا جاتا ہے؟

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Answer: Ionization Energy

Explanation Ionization energy is the minimum energy needed to remove one electron from a gaseous atom in its ground state. It reflects how tightly an electron is held — higher ionization energy means stronger attraction to the nucleus.

494. درست جملے کی نشاندہی کریں: سوال کو پڑھ کر درست جواب لکھیے۔، سوال پڑھ درست جواب لکھیے۔، سوال پڑھ کہ درست جواب لکھیے۔، ان میں سے کوئی نہیں

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Answer: سوال پڑھ کر درست جواب لکھیے۔

Explanation سوال کو پڑھ کر درست جواب لکھیے۔ یہ جملہ قواعد کے لحاظ سے درست ہے کیونکہ " پڑھ کر " ایک فعلِ مصدر + کر کا درست استعمال ہے۔ اس میں رابطہ اور ترتیب دونوں واضح ہیں: پہلے سوال پڑھنا، پھر جواب لکھنا ۔

495. The power of combining of an atom with other atoms to form molecules or compounds is called?

ایک ایٹم کو دوسرے ایٹموں کے ساتھ ملا کر مالیکیول یا مرکبات بنانے کی طاقت کو _____ کہتے ہیں؟

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Answer: Valency

Explanation Valency is the combining capacity of an atom to form molecules or compounds. It depends on the number of electrons an atom can lose, gain, or share to complete its outer shell. Last verified on 15-03-2026

496. The line segment whose endpoints are on the circle is called ______?

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Answer: Chord

Explanation A chord is a line segment with both endpoints on the circle. Unlike a secant , it does not extend outside the circle.

497. The sum of the measures of all angles in a pie graph is _____?

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Answer: 360°

Explanation A pie chart represents data in a circular form, and the sum of all the angles in the chart always equals 360° . Each slice of the pie chart corresponds to a portion of the total, and their angles add up to 360° .

498. Two middle school students respond differently to academic challenges: one confident, the other fearful of failure. This reflects?

دو مڈل اسکول کے طلبہ تعلیمی چیلنجز پر مختلف ردعمل دیتے ہیں: ایک پُراعتماد ہے اور دوسرا ناکامی سے ڈرتا ہے۔ یہ کس مرحلے کی عکاسی کرتا ہے؟

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Answer: Success vs. difficulty in "Industry vs. Inferiority"

Explanation This situation reflects Erik Erikson stage of Industry vs. Inferiority . In this stage ( school age ), children develop confidence through success or inferiority through failure. Confidence = sense of achievement, Fear of failure = sense of inferiority. It is typical in middle school years. Additional information : Erikson’s psychosocial stages (relevant ones) : Autonomy vs. Shame & Doubt (1–3 years) Initiative vs. Guilt (3–6 years) Industry vs. Inferiority (6–12 years) ← school age Identity vs. Role Confusion (12–18 years) Intimacy vs. Isolation (young adulthood) Last verified on 13-04-2026

499. The use of technology to enhance learning process in education is called _____?

تعلیم میں سیکھنے کے عمل کو بڑھانے کے لئے ٹکنالوجی کے استعمال کو _____ کہا جاتا ہے؟

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Answer: ICT

Explanation ICT stands for Information and Communication Technology. It refers to the use of digital tools and resources (like computers, internet, smartboards) to enhance teaching and learning.

500. The roots of the equation [s² - 8s + 16 = 0] are?

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Answer: Real and Equal

Explanation s² - 8s + 16 = 0 Discriminant = b² - 4ac = (-8)² - 4(1)(16) = 64 - 64 = 0 When D = 0, roots are Real and Equal . Here: (s - 4)² = 0 → s = 4, 4 Last verified on 12-04-2026

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