The chloroplasts within the leaves of green plants

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6.The chloroplasts within the leaves of green plants contain the pigment chlorophyl. This pigment provides energy for photosynthesis by absorbing the energy contained in the photons of A.green lightB.red lightC.violet lightD.red light and violet lightAnswer:(1 mark)7.What kind of electromagnetic radiation is responsible for sunburns?
Science 30: Unit C4Assignment Booklet C2(1 mark) 8.High-energy electrons collide against a metal surface to produce what kind of electromagnetic radiation? Answer:(1 mark) 9.What form of electromagnetic radiation can most effectively penetrate human tissue? (1 mark) 10.Which form of electromagnetic radiation is most destructive to chemical bonds in living tissue? A.gamma raysB.UV raysC.visible lightD. X-raysAnswer:(3 marks)11.Decide whether each statement is true (T) or false (F). Place your answer in the blank space given.
Science 30: Unit C5Assignment Booklet C2(2 marks) 12. Match each description with the appropriate term listed. Place your answer in the blank space given.i.centimetreii.frequencyiii.hertziv.wavelengthiiia.a unit for frequencyib.a unit for wavelengthivc.the distance required for one complete cycleiid.the number of cycles per second(2 marks) 13.A student was wondering why electromagnetic radiation can travel through the vacuum of outer space. The student had learned that sound cannot travel through thisregion. Explain why electromagnetic radiation can travel in outer space. 14.In the investigation “Electromagnetic Radiation Transfers Energy,” the intensity of EMR in a spectrum of light was measured by a photovoltaic cell.(1 mark)a.Indicate which membrane of the eye serves a function similar to the photovoltaiccell used in the investigation. Explain your answer.

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