Science Quiz

August 17, 2018 | Author: faridashakir | Category: Carbon, Sky, Sulfur, Chemistry, Nature
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Science Quiz 1. What is another name for twister ? a) earthquake b) tornado c)wind d) flood 2. Which of the following is a bird born out of the largest egg in d world ?` a)sparrow b) hen c) turkey d)ostrich 3. Why do many plants and animal species become extinct ? a) they cannot adapt to their changing environment b) they choose a bad adaptation c)giant meteors hit the earth, killing an entire specie d) they develop behavioral adaptation but not physical adaptation. 4. Read this sentence, A salmon swims upstream by instinct to lay its egg. What does the word instinct mean in this sentence. a) no longer in existence b) behavior learnt from watching others c) behavior inherited from his parents d) common sense 5. Albatross is a) a sea bird b) a beetle c) a fruit d) a city 6. Charles Darwin was a naturalist famous for which rule of nature? a) every living thing adapts b) only the strong shall survive c) life will find a way d) survival of the fittest 7. H2O is the scientific formula for a) water b) hydrogen c) ammonia d) ozone

8. The nucleus of an atom consists of  a) neutrons b) protons c) protons and neutrons d) protons, neutrons, and electrons 9. Entomology is the scientific study of: a) internal organs b) meanings of words c) trees d) insects 10. The green pigment found in plants that performs photosynthesis is: a) melanine b) chloroplast c) chlorophyll d) chromoplore 11. An android is a robot : a) is made to resemble a human in some way b) was built by a machine or other robots c)can make decisions or think for itself to some extent d)has been built to perform multiple tasks 12. A proton has what electric charge? a) negative b) positive c) negative n positive d) none 13. How many legs does and insect have a) 8 b)6 c) 4 d) some have 6, some have 4 14. The ozone layer protects us from ? a) carbon dioxide b) gamma radiation c) ultraviolet radiation d) temperature fluctuation 15. Sharks and rays are different from other fish in that : a) the have live young one other than laying eggs b) they have eyelids so they can blink their eyes c) they are warm-blooded d) they have cartilages but no bones

16. Gunpowder is made up off “ a) sulfur, charcoal and salt b)sulfur charcoal potassium nitrates c)saltpeter sugar sodium hydrate d) sulfur saltpeter and talc 17. An igneous rock is one: a) that formed as a result of temperature and pressure b) that formed from deposition of sediments c) which formed from cooled magma d) that fell from space as a meteoroid 18. Bacteria cells are different from that of plants and animals cells in that they: a) have no cell walls b) do not move c) do not have a DNA d) do not have organelles 19. The primary function of xylem in plants is to: a) exchange oxygen and carbon dioxide b) exchange water and minerals c) perform photosynthesis d) store glucose 20. The most abundant element in the universe is : a) helium b) carbon c) hydrogen d) silicon 21. A mineral is a natural crystalline solid that formed from geological processes. Which of the following is not an example of a mineral? a) diamond b) wood c) gold d) salt

22. Where in your body is your patella? Knee (it's the kneecap) 23. Who invented the television? John Logie Bair 24. Who was the first man in space? Yuri Gagarin 25. What are bactrians and dromedaries? Camels (one hump or two) 26. If you has caries who would you consult? Dentist - its tooth decay 27. What did Alfred Nobel invent? He invented Dynamite 28. If you had pogonophobia what would you be afraid of? Beards 29. Ictheologists study what? Fish 30. Who or what lives in a formicarium? Ants 31. What type of acid is used in car batteries? Sulphuric 32. What is classified by the A B O system? Blood Group 33. Christopher Cockerel invented what? Hovercraft 34. What did mathematician John Napier invent in 1614? Logarithms 35. What was the world’s first high level programming language 1957? IBM FORTRAN 36. Processed Galena produces which metal? Lead 37. Who discovered blood circulation? William Harvey 38. What was invented by Dr Edward Land in 1947? Polaroid 39. What is mainly extracted from pitchblende? Uranium 40. Linus Torwalds invented and wrote what? Linux computer operating system

41. Which medical tool was developed by Sanctorius in 1612? Thermometer 42. What was invented by James Dewer in 1872? Vacuum or thermosflask  43. Grouping or organizing objects into categories based on their characteristics is called: classifying them 44. Recycling refers to? reusing a resource to make something new. 45. What is it that makes diseases caused by viruses and bacteria hard to treat? Answer: Influenza viruses and others continually change over time, usually by mutation. This change enables the virus to evade the immune system of its host so that people are susceptible to influenza virus infection throughout their lives. Bacteria mutate in the same way and can also become resistant if overtreated with antibiotics. 46. What causes a rainbow? Answer: Rainbows can be seen when there are water droplets in the air and the sun is shining. Sunlight, which contains all colors, is refracted, or bent, off the droplets at different angles, splitting into its different colors of red, orange, yellow, green, blue, indigo and violet. 47. Why is the sky blue? Answer: Solar radiation sunlight is scattered across the atmosphere by a process called diffused sky radiation. The sky is blue because much more short-wave radiation--blue light--is scattered across the sky than long-wave radiation--red light. 48. What substance is added to city water to kill microorganisms? chlorine

49. A person who studies the substances in living things is best called a? biochemist 50. Who invented the lift ? Elisha Otis 1852

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