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.

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All: questions and answer review

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71. From the following options, which computing device belongs to to the first generation of computers?

درج ذیل میں سے کون سا کمپیوٹنگ ڈیوائس پہلی نسل کے کمپیوٹروں میں شامل ہے؟

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Answer: Electronic Numerical Integrator and Calculator (ENIAC)

Explanation First generation : 1940–1956 Technology : Vacuum tubes Example: ENIAC, UNIVAC I Very large size and high power consumption Slow processing speed compared to modern computers Last verified on 11-04-2026

72. ھيٺين مان اھڙي جملي جي چونڊ ڪريو جنھن ۾ ڪا غلطي موجود آھي: ڪجو ڪين ڪڏهين شڪايت وطن جي، سڌاري ڪبو سھڻي حالت وطن جي، ڪريو دل سچيءَ ساڻ خدمت وطن جي، انھن مان ڪو بہ نہ

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Answer: سڌاري ڪبو سھڻي حالت وطن جي

Explanation ھيٺين مان اھڙي جملي جي چونڊ ڪريو جنھن ۾ ڪا غلطي موجود آھي: سڌاري ڪبو سھڻي حالت وطن جي

73. The study of the behaviour and applications of compressed air is called?

کمپریسڈ ہوا کے رویے اور استعمال کا مطالعہ _____ کہا جاتا ہے؟

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Answer: Pneumatic Technology

Explanation Pneumatic Technology deals with the use of compressed air to transmit power, control machines . It perform various tasks, such as powering tools, actuators, and pneumatic conveyance systems .

74. The value of x in x/2 + x/3 + x/6 = 10 is _____?

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Answer: 10

Explanation Let's solve for x: x/2 + x/3 + x/6 = 10 To add these fractions, find a common denominator (6): 3x/6 + 2x/6 + x/6 = 10 6x/6 = 10 x = 10

75. A unicellular organism having a true nucleus that makes its own food is most likely a?

ایک واحد خلوی جاندار جس کے پاس حقیقی نیوکلیس ہو اور جو اپنا خوراک خود بناتا ہو، زیادہ امکان ہے کہ وہ کیا ہوگا؟

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Answer: Protist

Explanation Protists are unicellular eukaryotic organisms (have true nucleus). Some protists like Euglena can make their own food using chlorophyll . They show both plant-like (autotrophic) and animal-like (heterotrophic) behavior. Last verified on 12-04-2026

76. (3a - 2b)² = 9a² - ______ +4b².

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Answer: 12ab

Explanation (3a - 2b)² = (3a)² - 2(3a)(2b) + (2b)² = 9a² - 12ab + 4b²

77. A circle is shown (see in detail). What statement about the circle is true?

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Answer: The diameter is 36 cm

Explanation The diameter is the full distance across the circle through the center. If the circle is labeled or measured and shows a span of 36 cm across, then the diameter = 36 cm is correct.

78. You may pay _____ cheque.

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Answer: By

Explanation The correct preposition used with " pay " when referring to cheque is " by ". So the correct sentence is: "You may pay by cheque".

79. The two elements that can be separated by physical technique are known as?

وہ دو اجزاء جنہیں طبعی طریقوں سے الگ کیا جا سکتا ہو، انہیں کیا کہتے ہیں؟

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Answer: Mixture

Explanation When two or more substances are physically combined, they form a mixture . In a mixture , components retain their properties. They can be separated by physical methods like filtration or evaporation . No chemical bonding is involved. Therefore, such elements form a mixture . Last verified on 12-04-2026

80. World War-I was fought between:

پہلی جنگ عظیم کن کے درمیان لڑی گئی تھی

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Answer: 1914-1918

Explanation World War I was a global war originating in Europe This war lasted from 28 July 1914 to 11 November 1918. Chlorine was First used during World War I at Ypres in April 1915 After World War 1 influenza disease occurred in 1918 During the First World War, Russia signed the Peace Treaty (1917) with Germany . *** World War II or the Second World Wa r, was a global war This war started in 1939 and ended in 1945

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