1.

Which plant and animal diseases are caused by micro-organisms and what are the 1 measures to be taken against them?

Answer»

Plant diseases:

  • Citrus canker is a bacterial disease that affects 1 trees of citrus fruits.
  • Rust of wheat is a fungal disease that affects wheat crops.
  • Yellow vein mosaic is a viral disease which affects vegetables like bhindi (okra).

Preventive Measures:

  • Seeds which are healthy and disease-free should be selected for sowing. 
  • Infected plants should be removed. 
  • Plants should be sprayed with fungicides and germicides to prevent diseases.

Animal diseases:

  • Anthrax is a disease that affects cattle. 
  • It is caused by a bacterium. Foot and mouth is a dangerous disease in cattle caused by a virus.
  • Rabies is a viral disease that affects animals.

Preventive Measures:

  • The place where animals are kept should be washed with germicides. 
  • Animals should be dewormed regularly. 
  • The animals should be treated with necessary antibiotics for infectious diseases. 
  • They should be regularly vaccinated. 
  • Take the animals to a veterinary hospital for proper treatment and vaccination.


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