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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901. In Piaget theory of development, mental processing is considered to happen by two process _____?

پیئاگیٹ تھیوری آف ڈویلپمنٹ میں، ذہنی پروسیسنگ کو _____ دو عمل سے سمجھا جاتا ہے؟

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Answer: Assimilation and accommodation

Explanation According to Jean Piaget , children learn and adapt through two key mental processes: Assimilation – integrating new information into existing cognitive schemas. Accommodation – adjusting existing schemas to fit new information.

902. The efficiency of a heat engine increases when?

ہیٹ انجن کی کارکردگی کب بڑھتی ہے؟

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Answer: The temperature difference increases

Explanation A heat engine works between a hot source and a cold sink . Efficiency depends on the temperature difference between them. Greater the difference , higher the efficiency. Maximum efficiency is given by Carnot engine. Last verified on 14-04-2026

903. In binary representation, what is the decimal equivalent of 1011?

بائنری نمائندگی میں ، 1011 کے اعشاریہ کے برابر کیا ہے؟

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Answer: 11

Explanation To find the decimal equivalent of the binary number 1011: (1 × 2³) + (0 × 2²) + (1 × 2¹) + (1 × 2⁰) = (1 × 8) + (0 × 4) + (1 × 2) + (1 × 1) = 8 + 0 + 2 + 1 = 11 Last verified on 12-04-2026

904. In human and higher animals the exchange of gases is carried put by _____?

انسانی اور اعلیٰ جانوروں میں گیسوں کا تبادلہ _____ کے ذریعے کیا جاتا ہے؟

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Answer: Respiratory processes

Explanation In humans and higher animals, the exchange of gases (oxygen and carbon dioxide) is carried out by the respiratory processes , which include: Breathing (inhalation and exhalation) Transport of gases through the blood Exchange of gases in the lungs (oxygen in, carbon dioxide out)

905. What is the process of splitting the nucleus of an atom into smaller units?

ایٹم کے نیوکلئس کو چھوٹے یونٹوں میں تقسیم کرنے کا عمل کیا ہے؟

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Answer: Fission

Explanation Fission is the process of splitting an atomic nucleus into smaller nuclei , releasing a large amount of energy. It is used in nuclear power plants and atomic bombs. Last verified on 12-04-2026

906. Which of the following best defines a hotkey in the context of office automation?

آفس آٹومیشن کے تناظر میں ہاٹ کی کی بہترین تعریف کیا ہے؟

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Answer: A combination of keys is pressed to perform a specific function quickly

Explanation A hotkey is a shortcut key combination used in office automation. It allows users to perform tasks quickly without using menus. Hotkeys improve speed and productivity in software applications. Common examples include Ctrl + C (Copy) and Ctrl + V (Paste). They are widely used in programs like MS Word and Excel . Last verified on 12-04-2026

907. Shahid said, "I am going to the store today." Change the Narration?

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Answer: Shahid told that he was going to the store that day.

Explanation Change from direct to indirect speech requires tense change. Present continuous → past continuous. “ Today ” changes to “ that day ”. “ Said ” changes to “ told that ”. Correct sentence: he was going to the store that day . Last verified on 13-04-2026

908. An expression which has at least one term involving a radical sign is called ______?

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Answer: Surd

Explanation A surd is an irrational number or expression containing a square root, cube root, etc. , that can't be simplified to a rational number. Example: √2, ³√5 are surds because they involve radical signs.

909. Which one of the following is not a unit of magnetic induction?

مندرجہ ذیل میں سے کون سا مقناطیسی شامل کرنے کی اکائی نہیں ہے؟

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Answer: Weber/Ampere meter

Explanation Gauss → Unit of magnetic induction (CGS system) Tesla → SI unit of magnetic induction Weber/Ampere·meter → This is a unit of magnetic permeability, not magnetic induction

910. Among the following, which one is the purpose of using frames in HTML?

ایچ ٹی ایم ایل میں فریمس استعمال کرنے کا مقصد کیا ہے؟

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Answer: Divides a web page into sections, each displaying content of different HTML documents

Explanation In HTML , frames are used to divide a web page into multiple sections. Each section (frame) can display a different HTML document. This allows multiple pages to be shown in one browser window . Frames help in organizing content like menus, headers, and main pages separately . Last verified on 12-04-2026

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