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Science and technology Quiz 1

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  • The ‘Pascal’ is a unit measurement of what? a) Pressure b) Weight c) Temperature
    a) Pressure
  • The Austrian monk Gregor Mendel's observations of what organism formed the basis for the science of genetics? a) Pea plants b) Mice c) Fruit flies
    a) Pea plants
  • What is the scientific term for peeling skin? a) Desquamation b) Dermatitis c) Exfoliation
    a) Desquamation
  • What is the chemical symbol for the element mercury? a) Hg b) Mg c) Me
    a) Hg
  • True or False? It is the father’s gene that decides whether the baby is a boy or a girl.
    True
  • What connects bones to other bones? Select one: a) cartilage b) tendons c) ligaments
    c) ligaments
  • How many atoms are in a mole? a) 6.022 x 10^23 b) 6.022 x 10^24 c) 6.022 x 10^25
    a) 6.022 x 10^23
  • How many pairs of ribs does an adult human have? a) 10 b) 12 c) 8
    b) 12
  • What kind of animal is the platypus (Ornithorhynchus anatinus)? a) Mammal b) Reptile c) Amphibian
    a) Mammal
  • Which is considered to be the computers short-term memory? a) REM b) ROM c) RAM
    c) RAM
  • Organic chemistry is the study of compounds that contain what element? a) Nitrogen b) Potassium c) Carbon
    c) Carbon
  • What does nephrology study? a) The kidneys b) The liver c) The blood
    a) The kidneys
  • How many square metres are there in a hectare? a) Ten thousand b) One hundred c) One thousand
    a) Ten thousand
  • What percentage of animal species are invertebrates? a) About 50% b) About 95% c) About 90%
    b) About 95%
  • What is it called when light changes direction after leaving a lens? a) Reflection b) Refraction c) Diffraction
    b) Refraction
  • Which of these is the main way that ocean tides are created? a) The rotation of the Earth on its axis b) The gravitational pull of the moon c) The gravitational pull of the sun
    b) The gravitational pull of the moon
  • The green pigment in plants that is capable of absorbing the sun's energy is a) Porphyrin b) Beta carotene c) Chlorophyll
    c) Chlorophyll
  • What does a light-year measure? a) Brightness b) Time c) Distance
    c) Distance
  • The hardest substance available on earth is a) Diamond b) Platinum c) Rocks
    a) Diamond
  • What set of terms correctly represents an increasing order of complexity and size in living things? a) atom, molecule, organelle, organism, cell b) molecule, cell, tissue, organ, organism c) organelle, tissue, cell, organ, individual
    b) molecule, cell, tissue, organ, organism
  • Which of the following will increase in concentration in muscle cells during strenuous muscular activity? a) lactic acid b) carbon monoxide c) glucose
    a) lactic acid
  • What does 3 squared equal? a) 6 b) 12 c) 9
    c) 9
  • Which of these isn't an essential aminoacid? a) Lysine b) Thryptophan c) Riboflavin
    c) Riboflavin