JKBOSE Class 8th Science Paper 2021 (WZ)

JKBOSE Class 8th Science Paper 2021 (WZ)

CLASS-VIII

ENGLISH – T2

Time Allowed: 1:00 Hrs.   Maximum Marks: 40

JKBOSE Class 8th Science Paper 2021

Note: The students shall be required to attempt 70% of their choice, which is equivalent to 28 marks and the same shall be raised to 100 (40 marks) on a proportionate basis.

Do as directed:

1. The size of the pupil becomes………when you see in dim light.
2. Non-metals are poor conductors of heat and electricity. (True/False)
3. Kharif crops are sown during the months of………..
4. Which of the following is not a greenhouse gas?

(a) Carbon dioxide

(b) Methane

(c) Nitrogen

(d) Sulphur dioxide

5. The shape of the aeroplane is like

(a) Dog

(b) Bird

(c) Car

(d) all of these

6. Force of friction depends on

(a) Roughness of surface

(b) Smoothness of surface

(c) Inclination of surface

(d) All of these

7. The distance travelled by light in one year is called 

(a) Pole star

(b) Light year

(c) Meteor

(d) Comets

8. Our galaxy is known as

(a) Earth galaxy

(b) Sun galaxy

(c) Milky way

(d) Constellation

9. Splitting of light into its colours is known as………..

(a) Refraction

(b) Reflection

(c) Dispersion

(d) Diffusion

10. The phenomenon of marble cancer is due to

(a) Soil particles

(b) CFCs

(c) Fog

(d) Acid rain

11. Smog is made up of smoke and fog. (True/False)
12. Band of seven colours is called……………….

(a) VIBGYOR

(b) Spectrum

(c) Dispersion

(d) Reflection

13. ………….is the sudden shaking of the Earth.
14. Which is not a natural phenomenon?

(a) Earthquakes

(b) Cyclones

(c) Lightning

(d) Earthing

15. All living organisms are made of cells. (True/False)
16. Cell wall is found in

(a) Plant cells only

(b) Animal cells only

(c) Both (a) and (b)

(d) None of them

17. Children gain height during

(a) Adolescence

(b) Endocrine

(c) Balanced food

(d) Menarche

18. Adolescence period cover 30-35 years of age. (True/False)
19. The business of dairy is called

(a) Winnowing

(b) Dairying

(c) Irrigation

(d) Transplanting

20. The process of separation of grain from the chaff after harvesting is known as

(a) Tilling

(b) Threshing

(c) Spraying

(d) Weeding

21. Metals are

(a) Soft and brittle

(b) Hard and solid

(c) Liquid

(d) Generally liquid

22. Generally, non-metals react with acids. (True/False)
23. Which metal reacts readily with cold water?

(a) Gold

(b) Silver

(c) Magnesium

(d) Calcium

24. Lightning always follows

(a) A thunder

(b) Rain pour

(c) The easiest path

(d) A straight path

25. ……….types of charges are gained by rubbing objects. (Two/ Three/ Four)
26. Nucleus is separated from the cytoplasm by………… 
27. ………….is the process of making food in plants.
28. Which star is nearest to Earth?

(a) Pole star

(b) Orion

(c) Cassiopeia

(d) Sun

29. ………….are the celestial bodies revolving around a planet.
30. Friction can be reduced by using

(a) Oil

(b) Grease

(c) Powder

(d) All of these

31. Friction is very useful as it helps in ……………..of the bodies.
32. ……………..is a commonly used chemical method for purifying water.

(a) Brominization

(b) Fluorination

(c) Filtration

(d) Chlorination

33. Carbon monoxide is a poisonous gas. (True/False)
34. Coal can be drawn into wires. (True/False)
35. Which of the following can be beaten into thin sheets?

(a) Zinc

(b) Phosphorus

(c) Sulphur

(d) Oxygen

36. Iron is ………………… reactive than copper.
37. The term ‘cell’ was coined by …….
38. The instrument used to see tiny objects is called a………
39. Earthquakes can be predicted in advance. (True/False) 
40. The branch of science that deals with the study of ………………… is called astronomy.