1) Which of the following statements is incorrect with respect to Radio Frequency Radiation (RFR) ?
i) These radiations are emitted from cellphones.
ii) These are non-ionizing radiations.
iii) These are known to damage DNA.
a) iii only
b) ii and iii only
c) i and iii only
d) None of the above.
2) Which of the following is/are the sources of ionizing radiations that are known to damage DNA?
a) Nuclear weapons
b) Nuclear power plants
c) X-ray machine
d) All of the above
3) 'Africa Day' celebrated in New Delhi recently has been organized by which of the following organization/ministries?
a) Ministry of External Affairs
b) Indian Council of Cultural Relations
c) Home Ministry
d) Sahitya Kala Academy
Answers
1) a
2) d
3) b
