Potato blight is caused by

Penicillium
Meningitis
Smut
Ringworm

The correct answer is: C. Smut.

Smut is a fungal disease that affects a wide range of plants, including potatoes. It is characterized by the formation of black, powdery spores on the leaves, stems, and flowers of the plant. Smut can cause significant damage to potato crops, and can even lead to complete crop failure.

Penicillin is a type of antibiotic that is used to treat bacterial infections. Meningitis is an inflammation of the meninges, which are the membranes that surround the brain and spinal cord. Ringworm is a fungal infection of the skin.

Here is a more detailed explanation of each option:

  • Penicillium is a type of fungus that is used to produce penicillin, an antibiotic that is used to treat bacterial infections. Penicillium is not a cause of potato blight.
  • Meningitis is an inflammation of the meninges, which are the membranes that surround the brain and spinal cord. Meningitis can be caused by a variety of bacteria, viruses, and fungi. However, it is not a cause of potato blight.
  • Smut is a fungal disease that affects a wide range of plants, including potatoes. It is characterized by the formation of black, powdery spores on the leaves, stems, and flowers of the plant. Smut can cause significant damage to potato crops, and can even lead to complete crop failure.
  • Ringworm is a fungal infection of the skin. It is characterized by a circular, red, scaly rash. Ringworm is not a cause of potato blight.
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