General Science : General Knowledge Questions and Answers

Q61. Which one of the following types of laser is used in laser printers?

[A] Gas laser

[B] Semiconductor laser

[C] Excimer laser

[D] Dye laser

Q62. Which of the following is not a sedimentary structure?

[A] Ripple marks

[B] Cross beds

[C] Magma emplacement

[D] Mud cracks

Q63. Which of the following is an example of the most explosive type of volcano?

[A] Flood basalt volcanoes

[B] Shield volcanoes

[C] Calderas volcanoes

[D] Cinder cones volcanoes

Q64. Of the following, which element is common to all acids

[A] sulphur

[B] hydrogen

[C] oxygen

[D] carbon

Q65. Speed of laser printer is measured in

[A] LPM

[B] DPI

[C] PPM

[D] CPM

Q66. A chain of islands closely scattered in a body of water is called:

[A] Archipelago

[B] Canyon

[C] Reef

[D] Strait

Q67. The uranium fuel used worldwide is mainly in the form of 

[A] U metal

[B] UF6

[C] U3O8

[D] UO2

Q68. Which of the following parts of the sun is easily visible only during a total solar eclipse? 

[A] sunspots

[B] photosphere

[C] corona

[D] core

Q69. What is scientific name of “Tulsi”?

[A] Cojonus Cgjan

[B] Zea Mays

[C] Gossypium Herbaceum

[D] Ocimum Sanctum

Q70. Enceladus is the moon of which planet?

[A] Neptune

[B] Saturn

[C] Venus

[D] Jupiter