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Class 9 Olympiad Science Mock Test 2
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Class 9 Olympiad Science Mock Test 2
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25 Questions

1. Which of the following graphs represent an object moving with a non-uniform accelerated motion?
2. Which of the following microorganisms causes peptic ulcers?
3. If the formula of a chloride of a metal M is MCl3, then the formula of the phosphate of metal M will be
4. Which of the following applications illustrates that evaporation leads to cooling?
5. Calculate the weight of 0.885 moles of Mg(NO3)2.
6. Identify an organ.
7. What type of mixture is steel?
8. Which of the following statements is NOT correct about a planet rotating around the sun in an elliptical orbit?
9. The letters X, Y and Z represent different atoms.

What can be deduced from the proton numbers and nucleon numbers of X, Y and Z?
10. An engine of 4.9 kW power is used to pump water from a well 20 m deep. What quantity of water in kiloliters which it can pump out in 30 minutes?
11. The process of preparing manure with the help of earthworms is called
12. In which part of the ear are sound waves amplified?
13. How long will it take to perform 440 J of work at the rate of 11 W?
14. Shaving cream produces foam. What kind of colloid is shaving cream?
15. Which of these statements is/are correct to show that humans are complex organisms?
16. What happens to the inter-particle attractive forces with an increase in the distance between the particles?
17. On what principle does a jet engine work?
18. Which of the following sequences of taxa and the animal kingdom is correct?
19. A man with a box on his head is climbing up a ladder. What work is said to be done by the man on the box?
20. What does an atom and an ion of the isotope of sodium 22 11Na both contain?
21. Identify the tissue that is present in the bone.
22. The figure given below shows a planet in elliptical orbit around the sun S.

At what position will the kinetic energy of the planet be maximum?
23. Which of the following is a chemical change?
24. The positions of a particle moving along a straight line are x1 = 50 m at 10.30 a.m. and x2 = 55 m at 10.35 a.m. respectively. What is the displacement of the particle between 10.30 a.m. and 10.35 a.m.?
25. An insect moves along a circular path of radius 0 cm with a constant speed. If it takes 1 minute to move from a point on the path to the diametrically opposite point, then what is the distance it travels and average velocity of the insect respectively?

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