Q1. Which part is 33% of the total weight of the earth?
ⓐ external core
ⓑ internal core
ⓒ core
ⓓ crust
Q2. The distance of the earth from the sun is _______.
ⓐ 12800km
ⓑ 128000km
ⓒ 150000000km
ⓓ 15000000km
Q3. Which is the outermost shell of the earth?
ⓐ mantle
ⓑ core
ⓒ crust
ⓓ none of these
Q4. The yolk of the egg is the example of the _______.
ⓐ crust
ⓑ mantle
ⓒ core
ⓓ none of these
Q5. The thickness of the crust beneath the ocean is about ________.
ⓐ 5km
ⓑ 7km
ⓒ 2900km
ⓓ 290km
Q6. The Hottest part of the earth is__________.
ⓐ crust
ⓑ mantel
ⓒ core
ⓓ none of these
Q7. The thickness of mental is about _________.
ⓐ 5km
ⓑ 70km
ⓒ2900km
ⓓ 1200km
Q8. Iron and nickel elements are found in _______.
ⓐ external core
ⓑ internal core
ⓒ Mental
ⓓ crust
Q9. the 5cm thick layer of soil is formed in about ______ years.
ⓐ 100
ⓑ 1000
ⓒ 10000
ⓓ 5000
Q10. About ______ part of the earth is covered by the water.
ⓐ 21%
ⓑ 29%
ⓒ 71%
ⓓ 79%
Q11. The process in which rock converts into small particle causing the formation of soil is called_________.
ⓐ freezing
ⓑ feathering
ⓒ weathering
ⓓ featuring
Q12. Frozen water on the earth in the form of glaciers is about__________.
ⓐ 29%
ⓑ 2%
ⓒ 71%
ⓓ 97%
Q13. What are the main types of soil?
ⓐ sand
ⓑ silt
ⓒ clay
ⓓ All
Q14. Which of the following types is good for cultivation?
ⓐ clay
ⓑ sand
ⓒ silt
ⓓ none of these
Q15. Ocean contains ________ salted water
ⓐ 71%
ⓑ 21%
ⓒ 1%
ⓓ 97%
Q16. The water on the earth is found _______ states.
ⓐ solid
ⓑ liquid
ⓒ gas
ⓓ All
Q17. The layer of the earth under the crust is called _______.
ⓐ core
ⓑ external core
ⓒ internal core
ⓓ mental
Q18. Sand is useful for _______
ⓐ cultivation
Ⓑ glass
ⓒ pottery
ⓓ fertilizer
Q19. ___________ makes the soil fertile
ⓐ clay
ⓑ humus
ⓒ pottery
ⓓ silt
Q20. What is the importance of natural manure?
ⓐ minerals
ⓑ decaying matters
ⓒ salt
ⓓ sand
ANSWER KEY
Q1. ⓐ 2. ⓒ 3. ⓒ 4. ⓒ 5. ⓐ 6. ⓒ 7. ⓒ
8.ⓐ 9.ⓑ 10.ⓒ 11. ⓒ 12. ⓑ 13.ⓓ 14.ⓒ 15. ⓓ 16. ⓓ 17. ⓓ 18. ⓑ 19. ⓑ 20. ⓑ
