(a) Good, because it helped in eradicating a dreaded disease from the Earth.
(b) Good, because it helps in literacy campaign and is an effective method of mass communication and entertainment.
Bad, because it leads to practice of abortion in case of female foetus.
(d) Good, because it increases work efficiency.
(e) Good, because it helped in worldwide communication process.
(f) Bad, because nuclear weapons may cause mass destruction of mankind.
(g) Bad, because these techniques may be used for destructive purposes.
(h) Good, because pure water supply will improve the health of people.
(i) Plastic surgery is something which cannot be classified as either good or bad. The technique helps to remove certain type of deformations in needy persons. But plastic surgery for cosmetic purposes is not good
(j) Cloning is bad because it has the potential to destroy the normal family life of human society.