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QUIZ

Test your knowledge about light, its properties, and its effects on plants, animals, and the environment. Explore topics such as optics, photosynthesis, bioluminescence, and more!

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QUIZ

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  1. QUIZ

  2. Light has a dual nature: • True • Not true • True and not true • None oftheabove

  3. 2. Spectrum is: • A swarmofparticles – photons • A swarm of electromagnetic waves • A non-dimensionalphysicalsize • A sizewhichcannotbemeasured

  4. 3. Science that deals with light is: • Lightology • Spectrology • Electricity • Optics

  5. 4. Bodies that emit light are called: • Lightsources • Batteries • Electricalsources • Lightmaterials

  6. 5. The line that represents the direction of propagation of light iscalled: • A vector • Light ray • Lightbeam • Wave front

  7. 6. An object gets its color from: • Reflecting a color • Absorbing a color • Absorbingallcolorsexcept for that one • None oftheabove

  8. 7. The spectrum consistsof: • 3 basic colors – red, yellow and blue – whichcombine in order to produce other colors b) 5 main colors and 2 supporting collors – black, indigo, cardinal, red and green; pinkandorange c) 7 colors – purple, indigo, blue, green, yellow, orangeand red

  9. 8. Sunlight: • Getslostmostlywhilepassingthroughtheatmosphere • Mostlyreflectsintospace • MostlyreachesthesurfaceoftheEarth

  10. 9. Photosynthesis is: • A processofplantnutrition • A processofbreathingvialight • One ofthewaysofexcretion

  11. 10. Light causes periodical changes in plants, such as: • Changesofseasons • Changebetweenlightandday • Photoperiodism

  12. 11. Photomorphogenesisis: • Thewaylightimpactsparticles • Breachingofsunlight to earth • Thewaylightimpactsplants

  13. 12. Plants that favour light are: • Pine, yew, beech, fir, ivy • Pine, larch, rosemary, wheat, sunflower, lavender • Birch, fir, yew, willow, wheat

  14. 13.Long-day plants bloom: • Onlyduringthemorning • Duringtheentireday • Always at twilight

  15. 14. Animals active at night are called: • Nocturnal • Diural • Indifferent

  16. 15. Animals active during the day are: • Cheetahs, lions, does, birds, snakes, insects • Bats, lizards, owls, foxes, frogs • Lions, does, birds, frogs, lizards

  17. 16. Bioluminescence is: • Theabilityofanimals to seeduringthenight • Emittingoflightdue to luminizer • Emittingoflightdue to luciferin

  18. 17. Melanin is: • A growth hormone • Skin pigment • Causeofdisease

  19. 18. Beings that use stars for orientation are: • Insects, butterflies, bats, turtles, birds • Lions, leopards, elephants, fish, insects • Bats, frogs, lizards, snakes, does

  20. 19. Artificallight during night causes: • Betterexcretionofmelatonin • Sleepdisordersanddepression • Harmonyoftheecosystem

  21. 20. Sunlight makes: a) Woundshealandrehabilitatefaster b) Vitamin A synthesizebetter c) Metabolism becomes slower

  22. 21. Artifical light is beneficial at night because: • You canseethestarsbetter • Itissafer to movearound • It improves your eyesight

  23. ADIO !

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