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.

Return to all JEST Past Papers topics to choose your next area of study. Read the MCQ study guide to plan your revision, or try a JEST Past Papers practice quiz.

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.

681. A formula that gives only the simplest relative number of each type of atoms present in a molecule?

ایک ایسا فارمولا جو صرف انو میں موجود ہر قسم کے ایٹموں کی آسان ترین رشتہ دار تعداد دیتا ہے؟

Check answer and explanation

Answer: Empirical formula

Explanation The empirical formula shows the simplest whole-number ratio of atoms in a compound (e.g., CH₂O for glucose ). It does not reflect the actual number of atoms like the molecular formula does , just their simplest ratio.

682. The Water Apportionment Accord of 1991 deals with the distribution of water resources among?

سن 1991 کا پانی کی تقسیم کا معاہدہ پانی کے وسائل کن کے درمیان تقسیم سے متعلق ہے؟

Check answer and explanation

Answer: The provinces of Pakistan

Explanation The Water Apportionment Accord (WAA) was signed by provinces on 16 March 1991 . It was signed to distribute river water among provinces . It was approved by the Council of Common Interests (CCI) on 21 March 1991 . Clause 13 of WAA recognized the need to establish the Indus River System Authority (IRSA). IRSA was created to implement the Accord. Last verified on 11-04-2026

683. Prices of Milk and Wheat were in the ratio 3:2. If the price of wheat increases by 50%, then the ratio will be?

Check answer and explanation

Answer: 1:1

Explanation Let Milk = 3k, Wheat = 2k Wheat increases by 50%: new Wheat = 2k × 1.5 = 3k New ratio Milk : Wheat = 3k : 3k = 1 : 1 Last verified on 12-04-2026

684. The property decides the order of elements in the modern periodic table is ____?

پراپرٹی فیصلہ کرتی ہے کہ جدید متواتر جدول میں عناصر کی ترتیب ____ ہے؟

Check answer and explanation

Answer: The number of protons (atomic number) in the nucleus

Explanation In the modern periodic table , elements are arranged in the order of increasing atomic number (number of protons). This arrangement explains the periodic repetition of chemical properties .

685. Look at this model. Which expression is shown by model?

Check answer and explanation

Answer: 3x + 2

Explanation "3x" usually represents 3 rectangles (each representing x). "+2" typically means 2 small unit squares (each representing 1). So, a model showing 3 long bars and 2 small squares matches 3x + 2 .

686. A computer is purchased at Rs. 120,000 and sold at Rs. 96,000, the loss percentage is ______?

Check answer and explanation

Answer: 20

Explanation To find the loss percentage: Cost Price (CP) = Rs. 120,000 Selling Price (SP) = Rs. 96,000 Loss = CP - SP = 120,000 - 96,000 = Rs. 24,000 Loss percentage = (Loss / CP) × 100 = (24,000 / 120,000) × 100 = 0.2 × 100 = 20%

687. 15 divided by −3 is equal to _____?

Check answer and explanation

Answer: -5

Explanation 15 divided by -3: 15 ÷ (-3) = -5

688. Salts are made by reacting acids with bases. For which combination of acids and bases is the combination of acids and bases in the titration method of preparation suitable?

نمکیات تیزاب اور اساس (بیس) کے ردعمل سے بنتے ہیں۔ تیاری کے ٹائٹریشن طریقہ کے لیے کون سا تیزاب اور اساس کا امتزاج موزوں ہے؟

Check answer and explanation

Answer: A soluble acid with a soluble base

Explanation Titration is a method used to prepare soluble salts. It works when both acid and base are in solution form. A soluble acid reacts completely with a soluble base . This allows accurate measurement and neutralization . Therefore, both must be soluble for titration method. Last verified on 11-04-2026

689. Tearing teeth present in human are _____?

انسان میں موجود دانت پھاڑنا _____ ہیں؟

Check answer and explanation

Answer: Canines

Explanation Canines are the pointed teeth used for tearing food , especially meat . Humans have 4 canines , two in each jaw.

690. Where was the FIFA World Cup 2022 held?

فیفا ورلڈ کپ 2022 کہاں منعقد ہوا؟

Check answer and explanation

Answer: Qatar

Explanation The FIFA World Cup 2022 was held in Qatar . Argentina won the tournament , defeating France in the final. The short list of FIFA World Cup hosts: 2010: South Africa 2014 : Brazil 2018 : Russia 2022: Qatar 2026 : Canada, Mexico, and the United States 2030: Spain, Portugal, and Morocco; Anniversary match hosts : Argentina, Paraguay, and Uruguay 2034 : Saudi Arabia (Asia) Last verified on 02-02-2026

Found a mistake? Use “Report correction” in the practice tool or contact us with the question and a supporting source.