Contents

Exposure to UV rays from Sun leads to …………risks of skin problems.
a) slop                                                   

b)increased
c) decrease                                           

d) all of these

b

The major cause of ozone depletion is ………
a) skin cancer                                     

b) lung cancer
c) breast cancer                   

d)blood cancer

a

Direct exposure to UV rays can lead to eye disease such as…………
a) cataract                                           

b) gigantism
c) both a & b                                       

d) none of these

a

Exposure to UV rays cause …………
a) damage immune system

b) aging of skin
c) both a & b                                       

d) none of these

c

UV rays of sun also effect the…………
a) amphibians                                     

b) marine life 
c) immune system                              

d) all of these

d

UV rays also affect the plant by changing the …………of plants.
a) physiological  

b) development processes
c) alter time of flowering

d) all of these

d