Practise All MCQs in JEST Past Papers. Attempt multiple-choice questions, check answers and revise related subtopics.
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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ویب پیج ڈیولپمنٹ کے لیے درج ذیل میں سے کون سی زبان استعمال ہوتی ہے؟
Answer: HTML
Explanation HTML (Hypertext Markup Language) is the standard markup language used for creating web pages . It is the backbone of webpage development . It providing the structure and content that appears on the web.
ای۔سی۔جی کا استعمال _____ کی بیماری کی تشخیص کے لیے کیا جاتا ہے؟
Answer: Heart
Explanation ECG (Electrocardiogram) is a test used to measure the electrical activity of the heart . It is commonly used for the diagnosis of heart-related ailments, such as: Arrhythmias (irregular heart rhythms) Coronary artery disease Cardiac arrests Heart failure
Answer: 3/4
Explanation Step 1: Convert 2.5 × 10^-1 to a fraction 2.5 × 10^-1 = 0.25 = 1/4. Step 2: Calculate 1/2 + 1/4 To add these fractions, find a common denominator, which is 4. 1/2 = 2/4. So, 2/4 + 1/4 = 3/4.
وہ لینس جو روشنی کی متوازی شعاعوں کی شہتیر کو کور کرتا ہے ____ کہلاتا ہے؟
Answer: Converging lens
Explanation A converging lens (usually convex ) bends parallel rays of light to meet at a single point (focus). It is commonly used in magnifying glasses and optical instruments.
اگر آواز کی لہر کسی سطح پر حملہ کرتی ہے اور پہلے میڈیم میں واپس آجاتی ہے تو ، اس رجحان کو ______ کہا جاتا ہے؟
Answer: Reflection of sound
Explanation When a sound wave strikes a surface and bounces back into the original medium, this is called reflection . It’s the same principle behind echoes .
Answer: 2a² + 2b²
Explanation Let's expand both expressions: (a + b)² = a² + 2ab + b² (a - b)² = a² - 2ab + b² Now, add them: (a + b)² + (a - b)² = a² + 2ab + b² + a² - 2ab + b² = 2a² + 2b²
Answer: 45 years
Explanation Let son's age = x, so father's age = 3x After 15 years: 3x + 15 = 2(x + 15) → 3x + 15 = 2x + 30 → x = 15 ⇒ father's age = 3 × 15 = 45 years.
Answer: 54 cm
Explanation The scale factor can be found by dividing the actual width by the width in the scale drawing. Actual width = 18 cm, scale width = 1.2 cm. Scale factor = Actual width / Scale width = 18 / 1.2 = 15. The length in the scale drawing is 3.6 cm. Actual length = Scale length * Scale factor = 3.6 * 15 = 54 cm .
دو دھاتی پٹی _____ میں استعمال ہوتی ہے؟
Answer: Electric iron
Explanation A bimetallic strip bends with heat due to different expansion rates of two metals. It is used in electric irons as a thermal switch to regulate temperature.
کون سا عضو ہوا لے جانے والی ٹیوبوں اور چھوٹی تھیلوں سے بنا ہے؟
Answer: Lungs
Explanation The lungs are the organs responsible for exchanging oxygen and carbon dioxide through the process of respiration . They consist of air-carrying tubes (bronchi and bronchioles) and tiny sacs (alveoli) where gas exchange occurs.
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