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Question
The filament of an electric bulb is made of
Options
A. tungsten
B. nichrome
C. graphite
D. iron
Correct Answer
tungsten
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General Science problems
Search Results
1. What happens when some charge is placed on a soap bubble?
Options
A. Its radius decreases
B. Its radius increases
C. The bubble Collapses
D. The bubble expands
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Correct Answer: Its radius increases
2. Which one of the following types of laser is used in laser printers?
Options
A. Semiconductor laser
B. Dye laser
C. Gas laser
D. Excimer laser
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Correct Answer: Semiconductor laser
3. Which of the following plants is not capable of manufacturing own food?
Options
A. Algae
B. Mushroom
C. Carrot
D. Cabbage
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Correct Answer: Mushroom
4. Which is the largest satellite in the solar system?
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Correct Answer: Ganymede , satellite of Jupiter
5. When a gas is turned into a liquid, the process is called
Options
A. condensation
B. evaporation
C. deposition
D. sublimation
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Correct Answer: condensation
6. What is the scientific name for washing soda?
Options
A. Sodium carbonate
B. Sodium bicarbonate
C. Calcium carbonate
D. Calcium bicarbonate
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Correct Answer: Sodium carbonate
7. If a tropical rain forest is removed, it does not regenerate quickly as compared to a tropical deciduous forest. This is because
Options
A. The soil of rain forest is deficient in nutrients
B. Propagules of the trees in a rain forest have poor viability
C. The rain forest species are slow growing
D. Exotic species invade the fertile soil of rain forest
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Correct Answer: The soil of rain forest is deficient in nutrients
8. The uranium fuel used worldwide is mainly in the form of
Options
A. U3O8
B. UO2
C. UF6
D. U metal
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Correct Answer: UO2
9. The theory which advocates that living beings can arise only from other living beings is termed
Options
A. Bio-genesis
B. Abiogenesis
C. Catastrophism
D. Cosmozoic
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Correct Answer: Bio-genesis
10. What is scientific name of " Tulsi " ?
Options
A. Gossypium Herbaceum
B. Ocimum Sanctum
C. Zea Mays
D. Cojonus Cgjan
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Correct Answer: Ocimum Sanctum
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