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Question

Name any two animal diseases and two plant diseases caused by micro-organisms.

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Solution

Plant disease caused by microbes:

  • Citrus Canker
  1. It is caused by microscopic organisms:
  2. Citrus canker is a sickness influencing Citrus species categories caused by the bacterium Xanthomonas axopodia.
  3. Contamination causes sores on the leaves, stems, and product of citrus trees, including lime, oranges, and grapefruit.
  • Rust of Wheat
  1. The disease Rust of Wheat is caused by Fungus.
  2. It affects wheat, barley and rye stems, leaves and grains. Infections can lead up to 20% yield loss.
  3. The pathogen is Puccinia rust fungus.
  4. Yellow rust is a devastating seasonal disease in India.

Animal disease caused by microbes:

  • Anthrax:
  1. It is a bacterial disease caused by Bacillus anthracis which mainly affects the livestock animals
  2. It infects cattle, sheep and goats and human beings can get the disease by coming in contact with infected animals.
  3. It's symptoms are breathing difficulty and regular convulsions in the body
  • Foot-and-mouth infection:
  1. Foot and mouth disease is a viral disease caused by Aphthovirus.
  2. It infects cattle and spreads through direct contact and infected air droplets
  3. Lesions, painful blisters and excessive salivation are the common symptoms that is observed in animals infected with the foot and mouth disease.


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