science & technology Online Quiz - 126

Seismology is the scientific study of earthquakes and the propagation of elastic waves through the Earth. Seismologists analyze seismic waves to understand Earth's internal structure.

Selenology is the scientific study of the Moon. The term comes from 'Selene,' the Greek goddess of the Moon. Lunar geologists are sometimes called selenologists.

Topology is the correct answer for the study of places and their natural features in this context. Note that 'topology' in mathematics refers to spatial properties, but 'topology' and 'topography' are often confused in general knowledge contexts.

Serpentology (or ophiology) is the branch of zoology that specifically studies snakes. Serpentologists focus on snake behavior, classification, venom, and conservation.

Olympus Mons on Mars is the largest mountain in the solar system, standing about 22 km (13.6 miles) high, nearly three times the height of Mount Everest. It is a massive shield volcano.

Tribology is the scientific study of interacting surfaces in relative motion, including friction, wear, and lubrication. Option A correctly defines this field. Options B, C, and D describe unrelated subjects (tribes, trichology, and financial collections).

Trichology is the branch of dermatology that deals with the scientific study of hair health and scalp diseases. Option A correctly identifies this. Option B describes tribology, C describes toponymy, and D is unrelated to science.

Neptune has the fastest planetary winds in the solar system, with recorded speeds up to 2,100 km/h (about 1,300 mph). Option C (2000 km/h) is closest to this scientifically measured value. Options A, B, and D significantly underestimate these extreme wind velocities.

Uranus was the first planet discovered in modern times, identified by William Herschel in 1781. Jupiter and Neptune were known to ancient astronomers, making option A correct. The 19th-century dates in options B and C are incorrect for first discovery.

CTRL + SHIFT + & is the Excel shortcut to apply an outline border to the selected cell range. This is a standard Excel formatting command.

CTRL + SHIFT + ~ applies the General format in Excel, which is the default number format. The tilde key is used for this basic formatting command.

CTRL + SHIFT + $ applies Currency format in Excel. The dollar symbol shortcut directly relates to currency formatting.

CTRL + SHIFT + % applies Percentage format in Excel. The percent symbol shortcut is intuitive for percentage formatting.

CTRL + SHIFT + # applies Date format in Excel. The hash symbol is used for date formatting, though not as intuitively named as other shortcuts.

In Microsoft Excel, the keyboard shortcut CTRL + SHIFT + @ applies the Time format to selected cells. This is a standard Excel formatting shortcut that converts cell contents to a time display format (e.g., 1:30 PM). The other combinations shown are for different formats or functions.

In Excel, CTRL + SHIFT + ! applies the Number format with two decimal places and thousand separators. This is a standard formatting shortcut that makes numbers more readable by adding commas and fixed decimal places. The other options are for different Excel functions.

CTRL + F6 is the Excel keyboard shortcut that cycles between open workbook windows. This allows users to switch between different Excel files they have open without using the mouse. The F10 and F9 keys have different functions in Excel, and SHIFT + DOWN ARROW is for cell selection.

SHIFT + SPACEBAR is the Excel keyboard shortcut that selects the entire row where the active cell is located. This is a quick way to highlight all cells in a particular row. The other options are for different selection or navigation functions.

CTRL + A in Excel selects the entire worksheet (all cells containing data). This is a common shortcut across many applications for 'select all'. The other options (CTRL + F6, F10, F9) serve different purposes in Excel.

CTRL + SHIFT + ^ applies the Exponential (Scientific) number format in Excel. This converts numbers to scientific notation (e.g., 1.23E+10). The caret symbol (^) represents exponentiation, which hints at this function.