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WorksheetsEffects of EM Radiation- Evaluation
Total questions: 10
Worksheet time: 6mins
Directions: Read each of the following statements or questions. Choose the best answer from the given options.
What type of electromagnetic waves cause sunburns?
Microwave
Infrared
Visible Light
Ultraviolet
Which electromagnetic waves enable humans to see?
Microwave
Infrared
Visible Light
Ultraviolet
The following can be observed upon the thinning of the ozone layer, EXCEPT;
High levels of UV rays can penetrate the Earth.
Plankton sinks deeper into the water when exposed to too much UV.
It increase the amount of visible light plankton receives.
It will affect photosynthesis and growth of organisms.
Which pair of EM wave emits an ionizing radiation?
Radio wave and Microwave
Microwave and Infrared
Infrared and Visible Light
X-ray and Gamma rays
How does radiation affect living cells?
Radiation can damage DNA inside living cells.
Radiation can strike the DNA molecule directly, ionizing and damaging it.
Radiation can ionize water molecules, producing free radicals that react with and damage DNA molecules.
All of the above
This EM radiation always played important roles in our environment, and affects nearly all living organisms such as biological actions of many kinds have evolved to deal with it.
Microwave
Infrared
Visible Light
Utraviolet
Which government agency is in charge of the safe use of ionizing radiation?
Philippine Nuclear Research Institute (PNRI)
Department of Science and Technology (DOST)
Philippine Institute of Volcanology and Seismology (PHIVOLCS)
Philippine Atmospheric, Geophysical and Astronomical Services Administration (PAGASA)
Which type of radiation has the greatest ionizing effect?
Gamma Rays
X-rays
Ultraviolet
Visible light
When atoms in living cells become ionized, what will usually happen to cells?
The cells will die.
The cell repairs itself.
The cell mutates incorrectly and can become cancerous.
All of the above
Why are high frequency EM waves harmful to living things?
Because of their high intensity.
Both a and b
Because of their high energy.
A only
