Home > Class 9 Science > Quizzes > Class 9 Olympiad Science Mock Test 7
Class 9 Olympiad Science Mock Test 7
Fast practice, instant feedback. Timer auto-submits when time’s up.
Avg score: 0% • Most missed: “Calculate the number of moles present in 17 grams of AgNO3.”
Class 9 Olympiad Science Mock Test 7
Time left 00:00
25 Questions

1. A piece of rock is raised to a height of 5 m above the ground with a force of 100 N in 20 s.
What is the power required to raise the rock?
2. The isotopes of an element X are A A+1 A+2 Z Z Z X , X , X respectively. What is the ratio of number of nucleons in these respective isotopes?
3. A parachutist after bailing out, falls 50 m without friction. When parachute opens, it decelerates at 2 ms–2. He reaches the ground with a speed of 3 ms–1. At what height did he bail out?
4. In most of the Aschelminthes, the respiratory and circulatory systems are absent. Where do they get their oxygen needed for living from?
5. An unbalanced force acts on a body. What happens to the body?
6. Which of the following is added to LPG to detect its leakage?
7. Which part in the human ear helps to detect sound vibrations and convert them to nerve impulses?
8. A stone is dropped from a building and 2 seconds later another stone is dropped.
How far apart are these two stones by the time the first one has reached at a speed of 30 m/s?
(Take g = 10 m/s2)
9. Identify the correct increasing order of molecular weights.
10. The two ends of a train moving with uniform acceleration pass a certain point with velocities kmph and 8 kmph respectively. What is the velocity with which the middle point of the train passes the same point?which the middle point of the train passes the same point?
11. Identify the element having two electrons in the K shell of its atom.
12. An example of uniform circular motion is the movement of
13. A boy weighing 600 N takes 4 s to run up the stairs of 13 m length and 5 m height.
How much potential energy in J does he gain?
14. Which of these diseases are transmitted through body fluids?
15. Identify the factor that does not effect the rate of evaporation.
16. An electric fan is placed on a stationary boat and air is blown with it on the sail of the boat.
Which of the following statements is correct?
17. A diver is 20 m below the water surface. Given that the density of the water is 1000 kg m–3, what is the pressure exerted by the water on the diver? (Take g = 10 m s–2
18. Which of the following sequences is the correct order of naming the sub groups at various levels in the classification of animal kingdom?
19. Find the power of a pump which takes 10 s to draw 100 kg of water from a tank situated at a height of 20 m.
20. Calculate the number of moles present in 17 grams of AgNO3.
21. Which of the following statements is true about the process shown in the given box?
Food + Oxygen Carbon dioxide +
Water + Energy
22. Which of the following tissues supports, defends, and transports food in the body?
23. The water cycle in nature involves which of the following processes sequentially?
24. A ball of mass 2 kg and another of mass 4 kg are dropped together from a 60 feet tall building. After a fall of 30 feet, their respective kinetic energies will be in the ratio of:
25. The two ends of a train moving with uniform acceleration passes a certain point with velocities 6 kmph and 8 kmph respectively.
What is the velocity with which the middle point of the train passes the same point?

⚡ Recently practiced quizzes in this topic
Live quiz activity
MCQs on Force and Laws of Motion MCQs on The Fundamental Unit of Life MCQs on Improvement in Food Resources Class 9th Science MCQs MCQs on Work and Energy MCQs on Sound MCQs on Natural Resources Class 9 Olympiad Science Mock Test 2 MCQs on Why Do We Fall Ill MCQs on Matter in our Surroundings
 
❤ If you liked Fatskills, consider supporting us by checking out The Life Manuals You Never Got.

🌈  Our mission is to help improve your scores in any subject and exam withonline quizzes, practice tests, study guides, & advice for students. Since 2018.
About | Explore | User Guide | Topics | Subjects | Doubt Solver | Career Aptitude Test | Answers | Free Tools | OSHA Basics Quiz | What Should We Know?
Privacy | Terms |
Without work one finishes nothing. - Ralph Waldo Emerson
© 2026 Fatskills.com

All trademarks, logos and brand names are the property of their respective owners. All company, product and service names used in this website are for identification purposes only. Use of these names, trademarks and brands does not imply endorsement.