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Science and technology Quiz 3

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  • What is the repeating cycle of precipitation, condensation and evaporation called? a) Water Cycle b) Earth Cycle c) Rain Cycle
    a) Water Cycle
  • Can frogs live in salt water? a) Yes b) No c) Only in tropical seas
    b) No
  • The compound CO2 represents a) Two atoms of carbon and two atoms of oxygen b) One molecule of carbon and two molecules of oxygen c) One atom of carbon and two atoms of oxygen
    c) One atom of carbon and two atoms of oxygen
  • The study of respiration shows: a) Green plants and animals always consume oxygen and release CO2 day and night. b) Green plants only breath at night. c) Green plants breathe during the day taking carbon dioxide and releasing CO2
    a) Green plants and animals always consume oxygen and release CO2 day and night.
  • Which famous scientist introduced the idea of natural selection? a) Charles Darwin b) Sigmund Freud c) Thomas Henry Huxley
    a) Charles Darwin
  • How many chambers does a human as well as a dog's heart have? a) 2 b) 3 c) 4
    c) 4
  • What is the base unit for temperature? a) Degree Kelvin b) Degree Fahrenheit c) Degree Celsius
    a) Degree Kelvin
  • What would happen if the earth's atmosphere vanished? The weight of things a) would decrease b) would be zero c) would increase d) wouldn’t change
    d) Wouldn’t change
  • Which bone is the longest bone in the human body? a) Femur b) Humerus c) Tibia
    a) Femur
  • Is an iguana an omnivorous, carnivorous or herbivorous reptile? a) carnivorous b) herbivorous c) omnivorous
    b) herbivorous
  • If we cut the tail of all mice and their offspring and we did this experiment for a lot of generations, a) mice would be born without tail b) the tail of the new generations would be shorter c) the shape of the tail wouldn’t change
    c) the shape of the tail won’t change
  • Stalagmites grow from a) the ground of a cave towards the ceiling b) the ceiling of a cave towards the ground c) both directions, depending on which hemisphere they are
    a) the floor of a cave towards the ceiling
  • This vitamin is excreted by humans in urine. What is it? a) B12 b) C c) D
    b) C
  • What is the largest organ of the human body? a) The skin b) The liver c) The brain
    a) The skin
  • Select one of the following to determine the proper procedure for shutting down your computer. a) It's best to never turn off your computer. b) Just unplug your computer. c) Go to the Start menu and click "Shut Down"
    c) Go to the Start menu and click "Shut Down"
  • What is the temperature at which a liquid turns into a gas? a) Matter point b) Condensation point c) Boiling point
    c) Boiling point
  • Which of the following is not a cause of erosion? a) Gravity b) Water c) Wind d) Plant roots
    d) Plant roots
  • In a solution of saltwater (a saline solution), salt is the: a) Solute b) Solvent c) Colloid
    a) Solute
  • Three of the most common states of matter are solids, liquids, and gases. A liquid has: a) defined volume, but not a defined shape b) definite shape, but no defined volume c) definite volume and shape
    a) defined volume, but not a defined shape
  • If we drop a ball of lead and another one of wool of the same dimensions and at same time from and 100 metre high building, the ball which hits the ground first is: a) The lead ball b) The wool ball c) Both at the same time
    c) Both at the same time
  • The center of a cell enclosed in a membrane is called ...? a) Ribosome b) Nucleus c) Cytoplasm
    b) Nucleus
  • What's this? a) a dropper b) a test tube c) a graduated cylinder
    a) a dropper
  • ICT is the acronym for: a) Internet and Computer Technology b) Internet and Constant Technology c) I Can't Think
    a) Internet and Computer Technology