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1. Name the gas essential for us to breathe ?
ANS : Oxygen
2. Name the layer which protects our earth from harmful rays ?
ANS : Ozone
3. What is the nearest planet to the Sun ?
ANS : Mercury
4. In the list of planets, at what number our Earth is ?
ANS : Third
5. Name the three states of matter.
ANS : Solis, Liquid, Gas
6. Each day, how much a queen bee eats to produce eggs?
ANS : 80 times of her weight
7. How many bones are there in a human body ?
ANS : 206
8. How many teeth an adult human has ?
ANS : 32
9. Name the middle layer of planet earth?
ANS : Mantle
10. Name the inner layer of the planet earth ?
ANS : Core
11. How much is percent water present on the earth?
ANS : 71 percent
12. Name the largest planet in the solar system.
ANS : Jupiter
13. H2SO4 is the chemical formula of which acid?
ANS : Sulfuric Acid
14. Fill in the blank. CO is the chemical formula of Carbon ______ oxide.
ANS : (Mono)
15. What bees use to make honey?
ANS : Nectar
16. What element is liquid at the room temperature ?
ANS : Mercury
17. What is atomic symbol of Carbon ?
ANS : C
18. Fill in the blank. 100 degree Celsius equal to ______ Fahrenheit.
ANS : (212)
19. Name the species which can live on both water and land?
ANS : Amphibians
20. True or false. The sound has faster speed than light.
ANS : False, Light travels faster than sound
21. Name an insect which Does Not has red blood ?
Ans : Cockroach
22. Name the organ that pumps blood in the human body.
ANS : Heart
23. How many valves are in the heart of human body?
ANS : 4
24. What is not found in the shark ?
ANS : Bones
25. Name the most important element of the nuclear bomb?
ANS : Uranium
26. What is the freezing point of water?
ANS : 0-degree Centigrade
27. Clouds are made up of what ?
ANS : Water
28. How many years ago the Cretaceous period have ended?
ANS : Approximately 65 million years
29. Nucleons are made up of neutrons and ?
ANS : Protons
30. What is the other name Deuterium ?
ANS : Heavy Water
ANS : Oxygen
2. Name the layer which protects our earth from harmful rays ?
ANS : Ozone
3. What is the nearest planet to the Sun ?
ANS : Mercury
4. In the list of planets, at what number our Earth is ?
ANS : Third
5. Name the three states of matter.
ANS : Solis, Liquid, Gas
6. Each day, how much a queen bee eats to produce eggs?
ANS : 80 times of her weight
7. How many bones are there in a human body ?
ANS : 206
8. How many teeth an adult human has ?
ANS : 32
9. Name the middle layer of planet earth?
ANS : Mantle
10. Name the inner layer of the planet earth ?
ANS : Core
11. How much is percent water present on the earth?
ANS : 71 percent
12. Name the largest planet in the solar system.
ANS : Jupiter
13. H2SO4 is the chemical formula of which acid?
ANS : Sulfuric Acid
14. Fill in the blank. CO is the chemical formula of Carbon ______ oxide.
ANS : (Mono)
15. What bees use to make honey?
ANS : Nectar
16. What element is liquid at the room temperature ?
ANS : Mercury
17. What is atomic symbol of Carbon ?
ANS : C
18. Fill in the blank. 100 degree Celsius equal to ______ Fahrenheit.
ANS : (212)
19. Name the species which can live on both water and land?
ANS : Amphibians
20. True or false. The sound has faster speed than light.
ANS : False, Light travels faster than sound
21. Name an insect which Does Not has red blood ?
Ans : Cockroach
22. Name the organ that pumps blood in the human body.
ANS : Heart
23. How many valves are in the heart of human body?
ANS : 4
24. What is not found in the shark ?
ANS : Bones
25. Name the most important element of the nuclear bomb?
ANS : Uranium
26. What is the freezing point of water?
ANS : 0-degree Centigrade
27. Clouds are made up of what ?
ANS : Water
28. How many years ago the Cretaceous period have ended?
ANS : Approximately 65 million years
29. Nucleons are made up of neutrons and ?
ANS : Protons
30. What is the other name Deuterium ?
ANS : Heavy Water
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