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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191. During the breathing process diaphragm play a key role, where does diaphragm move during inhalation?

سانس لینے کے عمل کے دوران ڈایافرام کلیدی کردار ادا کرتا ہے، سانس کے دوران ڈایافرام کہاں حرکت کرتا ہے؟

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Answer: Move downwards

Explanation Inhalation : The diaphragm contracts and moves downward , increasing the chest cavity’s volume and allowing air to enter the lungs. Exhalation : The diaphragm relaxes and moves upward , reducing chest cavity volume and pushing air out of the lungs.

192. He would mingle with the common people. The Synonym of Mingle is?

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Answer: Both A and B

Explanation " Mingle " means to mix socially , especially by talking and interacting with others. Mingle means معاشرتی طور پر مکس کرنے کے لیے To meet and talk means ملنے اور بات کرنے کے لئے Mix means ملانا

193. A huge crowd is waiting ______ the stadium.

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Answer: Outside

Explanation " Outside the stadium " clearly means the crowd is waiting just beyond or not inside the stadium. Outside means باہر

194. 10 pipes are required to fill a tank in 1 hour 40 minutes. If we use 8 such pipes, the time it will take to fill the tank is ______?

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Answer: 125 minutes

Explanation Given: 10 pipes fill the tank in 1 hour 40 minutes = 100 minutes Let's find the rate of 1 pipe: Rate of 10 pipes = 1 tank / 100 minutes Rate of 1 pipe = 1 tank / (10 × 100) minutes = 1 tank / 1000 minutes Rate of 8 pipes = 8 tanks / 1000 minutes = 1 tank / (1000 / 8) minutes = 1 tank / 125 minutes

195. An organism A provides food to organism B and, in return, receives shelter. Such an ecological relationship is classified as?

ایک جاندار اے دوسرے جاندار بی کو خوراک فراہم کرتا ہے اور بدلے میں پناہ حاصل کرتا ہے۔ اس ماحولیاتی تعلق کو کیا کہتے ہیں؟

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Answer: Mutualism

Explanation Mutualism is a relationship where both organisms benefit . Here, A gives food and B gives shelter, so both gain advantages . Example : ants and aphids, clownfish and sea anemone. Last verified on 12-04-2026

196. Lamarckism is best explained as?

لامارکزم کو بہترین طور پر کیسے بیان کیا جاتا ہے؟

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Answer: Inheritance is affected by the use and disuse of organs

Explanation Lamarckism is an early evolutionary theory proposed by Jean-Baptiste Lamarck . It states that organs become stronger if used and weaker if not used. These acquired characteristics were believed to be passed to offspring For example, stretching of giraffe neck over generations. Hence, it is based on use and disuse of organs . Last verified on 12-04-2026

197. Among the following options, which are the five main components of a communication system?

درج ذیل میں سے کمیونیکیشن سسٹم کے پانچ اہم اجزاء کون سے ہیں؟

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Answer: Message, sender, receiver, medium, protocol

Explanation A communication system transfers information from sender to receiver . It requires a message to be sent. A transmission medium carries the message. Protocol defines rules of communication. Additional information : Sender = person who sends message Receiver = person who receives message Message = information/data Medium = cable, wireless signals, etc. Protocol = rules (e.g., HTTP, FTP) Last verified on 11-04-2026

198. لفظ گزشتہ کی ضد کیا ہے؟

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Answer: آئندہ

Explanation گزشتہ کا مطلب ہے: جو گزر چکا ہو (ماضی سے متعلق) اس کی ضد (مخالف) ہے آئندہ ، یعنی جو آنے والا ہو (مستقبل سے متعلق)۔

199. There are 60 passengers in the first cabin of the train, 100 in the second and 140 in the third train cabin. Number of passengers in the 16th cabin is?

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Answer: 660

Explanation The pattern: 60, 100, 140... increases by 40 each cabin. That’s an arithmetic sequence: a₁ = 60, d = 40 16th term = 60 + (16-1)×40 = 60 + 600 = 660 Last verified on 12-04-2026

200. The sound and noise of loudspeakers, unnecessary loud horns, etc. cause deafening noise pollution. The Antonym of Deafening is?

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Answer: Quiet

Explanation Deafening means انتہائی اونچی آواز میں Quiet means بہت کم یا کوئی شور نہیں ہے

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