Question

Excessive exposure of humans to UV-rays results in (This question has multiple correct options)
(a)Damage to immune system
(b)Damage to lungs
(c)Skin cancer
(d)Peptic ulcers

Answer 1

Hint: UV rays or Ultraviolet rays are a form of electromagnetic waves with wavelengths ranging from 10 nm to 400 nm, which is shorter than that of visible light but longer than X-rays.

Complete step-by-step answer:
Prolonged exposure to UV rays has been known to cause harmful effects in both humans and animals. It can cause irritation to the eyes, premature aging of skin, skin cancer and even damage to the immune system.

Additional information: -Ultraviolet rays are a part of the electromagnetic wave spectrum which is invisible to naked eyes.
Ultraviolet rays are used for many purposes like screening, sterilization, etc.
-However, they can be very harmful to humans as well as animals in case of excessive exposure.
-Excessive exposure to UV rays can result in acute and chronic harm caused to the eye's dioptric system and retina. Skin, circadian system, and the immune system may be affected too.
-UV radiation can cause DNA damage which could cause skin cancers like malignant melanoma which is deadly. UV rays can also damage collagen in our skin which can cause premature aging of skin.
So, the answer is ‘Excessive exposure of humans to UV-rays results in Damage to immune system and Skin Cancer’.

Note:
-UV radiation has some benefits for the body too. The harmful effects occur only on overexposure.
-UV-rays cause our bodies to produce Vitamin D which is essential to our body.