General Science problems
- 1. 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 Discuss
Correct Answer: Semiconductor laser
- 2. 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 Discuss
Correct Answer: Its radius increases
- 3. The filament of an electric bulb is made of
Options- A. tungsten
- B. nichrome
- C. graphite
- D. iron Also asked in: AIEEE, Bank Exams, CAT, GATE, Analyst, Bank Clerk, Bank PO
Correct Answer: tungsten
- 4. What is the scientific name for washing soda?
Options- A. Sodium carbonate
- B. Sodium bicarbonate
- C. Calcium carbonate
- D. Calcium bicarbonate Discuss
Correct Answer: Sodium carbonate
- 5. 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 Discuss
Correct Answer: The soil of rain forest is deficient in nutrients
- 6. The uranium fuel used worldwide is mainly in the form of
Options- A. U3O8
- B. UO2
- C. UF6
- D. U metal Discuss
Correct Answer: UO2
- 7. 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 Discuss
Correct Answer: Bio-genesis
- 8. What is scientific name of " Tulsi " ?
Options- A. Gossypium Herbaceum
- B. Ocimum Sanctum
- C. Zea Mays
- D. Cojonus Cgjan Also asked in: AIEEE, Bank Exams, CAT
Correct Answer: Ocimum Sanctum
- 9. Suppose if we measure the time lapse between the two Sunsets by sitting in the beach , from this we can estimate
Options- A. The distance between the sun and earth
- B. The depth of the ocean
- C. The radius of the earth
- D. The radius of the sun Discuss
Correct Answer: The radius of the earth
- 10. Name the mineral used to produce artificial diamonds. Discuss
Correct Answer: Graphite
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