JNV-GENERAL SCIENCE CLASS 9th (2021)

Questions in this test

1. Dolly the sheep was born on 5th July 1996 and was the first mammal to be
2. Is external fertilization very common?
3. Friction is increased by _______.
4. Which of the following is correctly matched?
5. Which one is a contact force?
6. Which one is not a unit of pressure?
7. The property of metals by which they be beaten into thin sheets sheets is called
8. Which amongst the following is not fossil fuel?
9. Rayon is obtained from__________.
10. When a copper vessel is exposed to moist air for a long time, it acquires a dull green coating on its surface. The material of this green coating is a mixture of
11. The most abundant non-metal found in the earth's crust is
12. Dead plants slowly get converted into coal under ________.
13. The process of fermentation was discovered by _______.
14. Which one is a non-metal which conducts electricity?
15. Which of the following microorganisms is a protozoan
16. Which one of the following does not add nutrients to the soil?
17. Which of the following is a group of Kharif crops?
18. Select a group of bacterial diseases from the following
19. If we completely burn the same amount of the following fuels, the maximum amount of heat will be obtained on burning
20. National parks protect whole sets of ecosystems while wild-life sanctuaries provide protection to _________.
21. Which component of the cell is called the powerhouse of the cell ?
22. Which of the following is a non-polluting fuel for vehicles?
23. Which one of the following is found in plant cells but not found in the animal cells?
24. The power of which one of the following is expressed in terms of magnitude on a scale called the Richter Scale?
25. Which one of the following air pollutants produced due to incomplete combustion of petrol and diesel reduces the oxygen carrying capacity of blood?
26. Which two planets of our solar system rotate from east to west?
27. Which of the following gases are responsible for acid rain?
28. In terms of increasing distance from the Sun, the correct sequence of the first three inner planets of the solar system is
29. Images are formed by _______.
30. Which of the following characteristics of sound depends on the amplitude of vibration?
31. Through which of the following does electric current not flow?
32. An Electric current can produce:-
33. A star is 20 light-years from the Earth. How much time does it take for the light from the star to reach the earth?
34. If the angle between incident ray and reflected ray is 120°, what is the angle of incidence?
35. The process of depositing a layer of any desired metal on another material by means of electricity is called