Electromagnetic Radiation on Humans

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

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

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.

Tags

NGSS.HS-LS1-5

NGSS.HS-LS2-6

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

Tags

NGSS.HS-PS4-4

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

Tags

NGSS.HS-PS4-3

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

Tags

NGSS.HS-PS4-3

NGSS.HS-PS4-4

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)

Tags

NGSS.HS-PS1-8

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

Tags

NGSS.HS-PS4-4