Science trivia

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• Where in an adult's body are red blood cells and the other blood cells made?The human body
• Which structure inside the ear senses the turning of the body?The human body
• Which part of the brain holds the centres that control the heartbeat and breathing?The human body
• Which vitamin is made in the skin when it is exposed to sunlight?The human body
• About how many times a minute does the heart of a healthy adult beat at rest?The human body
• Where in the body is the longest human bone found?The human body
• Which organ is reckoned the largest in the human body by both area and weight?The human body
• Which nutrient is the main building material of the body, including muscle, hair and nails?The human body
• Which part of the eye focuses by growing thicker for near objects and thinner for distant ones?The human body
• Which nutrient does the digestive enzyme in saliva break down?The human body
• An adult's small intestine is shorter than the large intestine.The human body
• Each taste has its own zone on the tongue, with sweetness sensed at the tip and bitterness at the back.The human body
• There is no oxygen left in the air a person breathes out.The human body
• The left half of the cerebrum mainly controls movement on the right side of the body.The human body
• The pupil of the eye gets bigger when you step into a bright place.The human body
• The human heart is divided into four chambers.The human body
• A human bone cannot knit itself back together once it has broken.The human body
• Sweating helps to bring body temperature down.The human body
• The tongue is an organ made of muscle, with no bone inside it.The human body
• If part of the liver is cut away, what remains can grow back to nearly its original size.The human body
• When observing mitosis in a plant, which part is usually taken as the material?Cells and life processes
• Which process has a cell break down nutrients to get the energy it needs to live?Cells and life processes
• Which organism has a body made of a single cell?Cells and life processes
• Which cell is counted as the largest in diameter in the human body?Cells and life processes
• Which nutrient do cells draw on first for energy, earning it the label of the body's main energy source?Cells and life processes
• In an animal body, which level is formed by cells of similar shape and function grouped together?Cells and life processes
• Which cell is the longest in the human body?Cells and life processes
• Which process has the cells descended from a fertilized egg take on different shapes and functions, as in muscle and nerve?Cells and life processes
• Which substance builds up when glucose is broken down in muscle cells that are short of oxygen?Cells and life processes
• When cabbage is packed in salt, water moves out of the cabbage cells.Cells and life processes
• A person's muscle cells and nerve cells differ in shape and function because they carry different genetic information.Cells and life processes
• Which type of cell has no fixed role yet and can turn into many different kinds of cells?Cells and life processes
• An adult human body is made up of a few thousand cells in total.Cells and life processes
• Cell division happens only while the body is growing and stops once a person becomes an adult.Cells and life processes
• Cancer is a disease in which cells keep dividing without stopping and multiply out of control.Cells and life processes
• Water is the substance that makes up the largest share of a living cell.Cells and life processes
• The visible part of a fingernail or a hair is made of dead cells that have hardened.Cells and life processes
• A mature human red blood cell has no nucleus.Cells and life processes
• Plant cells have chloroplasts, so they contain no mitochondria.Cells and life processes
• Once an enzyme has acted a single time, it is used up and cannot work again.Cells and life processes
• Which development approach writes down what the software should do as Given–When–Then scenarios so that planners, developers, and QA can all read them?QA and testing
• Which test checks whether a product is easy to use by watching real users try to complete tasks?QA and testing
• Which test checks whether a server holds up when many people connect at once?QA and testing
• After a defect is fixed, which test runs the same steps again to check that the defect is really gone?QA and testing
• What do we usually call plausible-looking fake data made up for testing?QA and testing
• What caused the Y2K problem, also called the millennium bug?QA and testing
• When a defect that was closed as fixed shows up again, what status is it moved to?QA and testing
• What caused the software defect that lost NASA's Mars Climate Orbiter in 1999?QA and testing
• Which is the best-known unit testing framework for Java?QA and testing
• A headless browser runs without showing a window, which makes it a good fit for running browser tests on a CI server with no monitor.QA and testing
• Snapshot testing compares the current output with output saved earlier and flags whatever has changed.QA and testing
• Which test lets ordinary users try a product before its official release to find defects?QA and testing
• The later a defect is found, the more it costs to fix.QA and testing
• An app that passes its tests on one phone model can be assumed to behave the same way on other models.QA and testing
• Once testing is automated, manual testing by people is no longer needed.QA and testing
• When the same defect is reported several times, the usual practice is to keep one report and close the rest as duplicates.QA and testing
• A problem that does not get in the way of any feature, such as a typo in on-screen text, can still be reported as a defect.QA and testing
• Exploratory testing designs and runs tests on the spot while learning the product, without a scenario written in advance.QA and testing
• Static testing finds defects from the results of actually running the program.QA and testing
• Defects tend to spread evenly across all modules, so it is efficient to give every module the same amount of testing.QA and testing