Harmful effects of drugs like LSD, barbiturates, etc., are:
(i) Anxiety, shakiness, nausea and sweating, loss of mind control.
(ii) Reckless behaviour, vandalism and violence.
(iii) Lack of interest in personal hygiene, fluctuations in weight and appetite.
(iv) Social adjustment problems.
(v) Withdrawal, isolation, depression, fatigue, aggressive behaviour .
(vi) Withdrawal symptoms can be severe and life threatening.
(vii) Excessive doses of drugs may lead to coma and death due to respiratory failure, heart failure or cerebral haemorrhage.

The life cycle of a malarial parasite is shown below:

(a)
(b) The virus is called retro virus because its genetic material is RNA that is transcribed to DNA using enzyme reverse transciptase.
(c) Yes, the infected cell can survive, while viruses are being replicated and released.

(i) Analgesic;
(ii) Stimulation;
(iii) Opium
(iv) Cannabis sativa;
(v) Alcohol;
(vi) Lysergic acid diethylamide;
(vii) Mescaline;
(viiii) Viruses;
(ix) Penicillin;
(x) Chlesterol.

Pulse Polio Programme was started in 1978.Pulse Polio programme is the administration of oral Polio vaccine at regular intervals to the children under the age of five.Government provides vaccine free of cost.Many NGOs also participate with a mission to make India free of polio disease OPV is the vaccine given orally.The project 'Fight poliomyelitis' through a large cycle vaccination programme and monitoring for polio cases.F Due to this project, on march 27,2014 World Health Organization declared India a polio free country since no cause of wild polio had been reported.