STEM Olympiad Exam Instructions: Exam Format: Multiple-Choice Duration: 1 hours General Instructions: Materials: You are allowed to have with you during the exam, as specified by your instructor. Communication: You are not allowed to communicate with any other person during the exam. This includes talking, texting, or using any messaging apps. Technology: Ensure a stable internet connection and use a compatible browser. Make sure your device's battery is fully charged or plugged in. Plagiarism: Any form of plagiarism or cheating is strictly prohibited. This includes copying from external sources or using unauthorized aids. Browser Tabs: Please close all unnecessary browser tabs or windows, as the exam may be monitored. Exam Specifics: Question Format: This exam consists of multiple-choice questions. Number of Questions: There are a total of 36 questions in this exam. Scoring: Basic Section question is worth 2 points and Performer Section is worth 4 Points. The total exam score is 80. Submission: Once you answer all questions, click the "Submit" button to finalize your answers. Navigation: You can navigate between questions using the provided navigation buttons Please follow these instructions carefully during the online exam. If you have any concerns or technical issues, contact the designated support person or email address provided for assistance. Good luck! 1. Secction-A Basic Section None 2. Which base is found in window cleaner? Sodium hydroxide Ammonium hydroxide Magnesium hydroxide Calcium hydroxide None 3. Which substance is used to treat indigestion ? Baking soda Lime water Milk of magnesia Common salt None 4. What is the purpose of the kink in a clinical thermometer? To prevent mercury from rising too high To keep the thermometer straight To prevent mercury from falling back To increase the accuracy of the reading None 5. Why do people living in coastal areas experience sea breezes? The sea absorbs heat more quickly than the land The land heats up and cools down more quickly than the sea The sea is always cooler than the land The land is hotter during the night None 6. Which of the following trees provides medicine for treating malaria? Eucalyptus tree Cinchona tree Bamboo tree None of the above None 7. Which of the following is used to make paint? Resin Latex Both a and b None of the above None 8. What does ISI mark on an electrical appliance indicate? High price Safe and energy-efficient Imported product Low quality None 9. A plotting compass is placed near the south pole of a bar magnet. The pointer of the plotting compass will: Point away from the south pole Point parallel to the south pole Point towards the south pole Point at right angles to the south pole None 10. A student learns that magnetic field strength around a bar magnet is different at every point. Which diagram shows the correct magnetic field lines around a bar magnet? None 11. An electric iron draws a current of 5A when connected to a 240V power supply. What is the power rating of the iron? 48W 500W 1200W 2400W None 12. In a block-based programming language, what is the purpose of the "Wait" block? To stop the program execution To repeat a sequence of actions To pause the program for a specified amount of time To change the color of the blocks None 13. A rhombus has one of its diagonal 60% of the other. A square is drawn using the longer diagonal as side. What will be ratio of area of square to that of the rhombus? 3:10 2:03 10:03 3:02 None 14. If an object is placed symmetrically between two plane mirrors, inclined at an angle of 72 degrees, then the total no. of images formed is: 5 4 2 infinite None 15. Which glasses or lens are used to correct the short sighted eye defect? Concave Lens Convex Lens Bipolar Lens None of the above None 16. Dental mirror is what type of a mirror? Convex mirror Concave mirror Plane mirror Both a and b None 17. Which of the following is synthesized and stored in the liver cells? Galactose Lactose Glycogen Arabinose None 18. Which of the following is a chronic respiratory disorder caused by smoking? Asthma Emphysema Respiratory alkalosis None 19. What is the opening between the right auricle and the right ventricle called? Aortic valve Bicuspid valve Tricuspid valve Pulmonary valve None 20. Which programming paradigm emphasizes on writing code that is easy to read and maintain? Procedural programming Object-oriented programming Functional programming Structured programming None 21. Assuming int is of 4bytes, what is the size of int arr[15];? 15 19 11 60 None 22. Block codes are generated using Generator polynomial Generator matrix Generator Polynomial & matrix None of the mentioned None 23. Why does virtual reality enhance instruction? It allows teachers to communicate with parents It tally's rewards to help with classroom management It provides a deeper understanding with realistic 3D imager All of the above None 24. A hall is 15 m long and 12 m broad. If the sum of these areas of the floor and the ceiling is equal to the sum of the areas of four walls, the volume of the hall is: 720 m^3 900 m^3 1200 m^3 1800 m^3 None 25. Two numbers are in ratio P : Q . When 1 is added to both the numerator and the denominator, the ratio gets changed to R/s. again, when 1 is added to both the numerator and denominator, it becomes 1/2 .Find the sum of P and Q 3 4 5 6 None 26. . A person sold a horse at a gain of 15 %. Had he bought it for 25 %less and sold it for Rs 600 less, he would have made a profit of 32 %. The cost price of the horse was: Rs 3750 Rs 3250 Rs 2750 Rs 2250 None 27. If x = 3 + 2v2 , then the value of (vx - 1/vxn ) is ? 1 2 2v2 3v3 None 28. Two right angles triangles are congruent if : I. The hypotenuse of one triangle is equal to the hypotenuse of the other II. A side for one triangle is equal to the corresponding side of the other. III. Sides of the triangles are equal. IV. An angle of the triangle are equal. Of these statements, the correct onesare combination of : I and II II and III I and III IV Only None 29. What is the difference between the simple interest on a principal of Rs 500 being calculated at 5 % per annum for 3 years and 4 % per annum for 4 years ? Rs 5 Rs 10 Rs 20 Rs 40 None 30. If the letters GBOQX stand for HAPPY, for which word the letters CROSS stand for ? BSPTR BSNTR BNSTR BSNRT None 31. The difference between a two-digit number and the number obtained by interchanging the digits is 36. What is the difference between the sum and the difference of the digits of the number if the ratio between the digits of the number is 1 : 2 ? 4 8 16 None of the above None 32. The price of commodity X increases by 40 paise every year, while the price of commodity Y increases by 15 paise every year. If in 2001, the price of commodity X was Rs 4.20 and that of Y was Rs 6.30, in which year commodity X will cost 40 paise more than the commodity Y ? 2010 2011 2012 2013 None 33. A car covers 40 km in the first hour, 115 km in the next two hours, and 45 km in the last hour. What is its average speed? 100 km/h 66.6 km/h 50km/h none of these None 34. SECTION-BPERFORMERS SECTION None 35. The following bar chart gives the growth percentage in the number of households in middle, upper-middle and high-income categories in the four regions for the period between 1987-88 and 1994-95. Rs 50 lakh Rs 500 million Rs 300 million cannot be determined None 36. Count the number of cubes in the given figure. 130 132 138 140 None 37. What will come at the place of question mark ? 2276 2516 2356 2456 None 38. If A + B means A is the sister of B; A x B means A is the wife of B, A % B means A is the father of B and A – B means A is the brother of B. Which of the following means T is the daughter of P ? P x Q % R + S – T P x Q % R – T + S P x Q % R + T – S P x Q % R + S + T None You cannot switch tabs while taking this quiz!You are not allowed to switch tabs violation has been recorded.You cannot minimize full screen mode!You are not allowed to minimize full screen while taking this quiz, violation has been recorded.Access denied! To begin the quiz, please grant this quiz access to your camera.
