Quarantine regulation is concerned with A)growing of better varieties of plant B)prevention of entry of diseased organism C)spraying of insecticide over diseased plants D)identification of diseased organism
Option B) Quarantine is compulsory isolation, typically to contain the spread of something considered dangerous, often but not always disease. Quarantine legislation is in place in countries worldwide restricting the import of non-indigenous plant and animal pathogens. Those who wish to import such organisms must hold the relevant import permit, which can be obtained, from the relevant country Authority.
