JNV-GENERAL SCIENCE CLASS 9th (2018)

Questions in this test

1. The loudness of sound is determined by its
2. Pick the synthetic fibre out of the following.
3. Wool Fibre cannot be obtained from which of the following?
4. Phenolphthalein is a synthetic indicator and its colours in acidic and basic solutions respectively are
5. During dry weather while combing hair sometimes we experience hair flying apart. The force responsible for this is
6. On heating one end of iron rod, other end also gets heated. Such materials are called
7. Which one records the distance travelled by a vehicle?
8. The pressure exerted by liquid due to increase in depth.
9. Which of the following is not always necessary to observe to shadow?
10. The objects which partially allow the light to pass through it are called
11. Which of the following can never form a circular shadow?
12. Bouncing back of ray of light from shining surface on which it was incident is known as
13. The normal range of vocal cords in women is
14. Which of the following is not a common property of plastics?
15. Choose the correct statement from the following.
16. If a person’s clothes catch fire, the best way to extinguish the fire is to
17. Turmeric is a natural indicator. On adding its paste to acid and base separately, which colours would be observed?
18. Which of the following is not a plastid?
19. Which of these does not prevent growth of bacteria?
20. Potable water is the water which is
21. Scientist who discovered the fermentation
22. Given below is a list of edible plants. 1- Banana, 2- Pumpkin, 3- Ladyfinger, 4- Brinjal Which pair of plants has two or more edible parts?
23. Cyanocobalamin is vitamin
24. Minerals and vitamins present in food are
25. The most common carrier of communicable diseases is
26. Pathogenic microorganisms present in host cells are killed by medicines called
27. Which of the following reproduces only inside a host cell?
28. A disease in human beings caused by virus is
29. Carrot and radish food obtained from plants are examples of
30. Diseases occurring due to the deficiency of one or other nutrients is called
31. Carbohydrates can be tested by using which of the following?
32. The bread or idli dough rises because of
33. Read the food items given 1. Wheat 2. Ghee 3. Iodised salt 4. Spinach$(palak)$ Which of the above food items are energy giving foods?
34. The male parts of the flower are called
35. The swollen part at the base of a flower from which the whorls of the flower radiate is called the