Class 8 Exam > Class 8 Questions > Which one is not correctly matched?a)Root-kn...
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Which one is not correctly matched?
- a)Root-knot Disease - Meloidogyne javanica
- b)Smut of Bajra - Tolyposrium
- c)Covered Smut of Barley - Ustilago hordei
- d)Late Blight of Potato - Phytophthora infestans
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
Which one is not correctly matched?a)Root-knot Disease - Meloidogyne ...
Smut of pearl millet is caused by Tolyposporium penicillariae, which is an important and widespread disease.
Root-knot is a major nematode disease problem in tobacco worldwide. Four species of root-knot are found on tobacco, including Meloidogyne incognita, Meloidogyne javanica, Meloidogyne Arenaria, Meloidogyne hapla.
The covered smut of barley is caused by the fungus, Ustilago hordei.
This question is part of UPSC exam. View all Class 8 courses
Most Upvoted Answer
Which one is not correctly matched?a)Root-knot Disease - Meloidogyne ...
Plant Diseases and their causes
Plant diseases are caused by different types of pathogens. Some common plant diseases and their causes are:
Root-knot Disease - Meloidogyne javanica
This disease is caused by a type of nematode that infects the roots of plants. The infected plant shows stunted growth and reduced yield.
Smut of Bajra - Tolyposrium
This disease is caused by a type of fungus that infects the grains of bajra. The infected grains show black powdery mass on the surface.
Covered Smut of Barley - Ustilago hordei
This disease is caused by a type of fungus that infects the inflorescence of barley. The infected plant shows black powdery mass on the surface.
Late Blight of Potato - Phytophthora infestans
This disease is caused by a type of fungus-like organism that infects the leaves, stem, and tubers of potato. The infected plant shows dark brown spots on the leaves and stem, and the tubers show rotting.
The not correctly matched option is:
Late Blight of Potato - Phytophthora infestans
The given option is correctly matched as Late Blight of Potato is caused by Phytophthora infestans.
Plant diseases are caused by different types of pathogens. Some common plant diseases and their causes are:
Root-knot Disease - Meloidogyne javanica
This disease is caused by a type of nematode that infects the roots of plants. The infected plant shows stunted growth and reduced yield.
Smut of Bajra - Tolyposrium
This disease is caused by a type of fungus that infects the grains of bajra. The infected grains show black powdery mass on the surface.
Covered Smut of Barley - Ustilago hordei
This disease is caused by a type of fungus that infects the inflorescence of barley. The infected plant shows black powdery mass on the surface.
Late Blight of Potato - Phytophthora infestans
This disease is caused by a type of fungus-like organism that infects the leaves, stem, and tubers of potato. The infected plant shows dark brown spots on the leaves and stem, and the tubers show rotting.
The not correctly matched option is:
Late Blight of Potato - Phytophthora infestans
The given option is correctly matched as Late Blight of Potato is caused by Phytophthora infestans.
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Which one is not correctly matched?a)Root-knot Disease - Meloidogyne javanicab)Smut of Bajra - Tolyposriumc)Covered Smut of Barley - Ustilago hordeid)Late Blight of Potato - Phytophthora infestansCorrect answer is option 'D'. Can you explain this answer?
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Which one is not correctly matched?a)Root-knot Disease - Meloidogyne javanicab)Smut of Bajra - Tolyposriumc)Covered Smut of Barley - Ustilago hordeid)Late Blight of Potato - Phytophthora infestansCorrect answer is option 'D'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which one is not correctly matched?a)Root-knot Disease - Meloidogyne javanicab)Smut of Bajra - Tolyposriumc)Covered Smut of Barley - Ustilago hordeid)Late Blight of Potato - Phytophthora infestansCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one is not correctly matched?a)Root-knot Disease - Meloidogyne javanicab)Smut of Bajra - Tolyposriumc)Covered Smut of Barley - Ustilago hordeid)Late Blight of Potato - Phytophthora infestansCorrect answer is option 'D'. Can you explain this answer?.
Which one is not correctly matched?a)Root-knot Disease - Meloidogyne javanicab)Smut of Bajra - Tolyposriumc)Covered Smut of Barley - Ustilago hordeid)Late Blight of Potato - Phytophthora infestansCorrect answer is option 'D'. Can you explain this answer? for Class 8 2024 is part of Class 8 preparation. The Question and answers have been prepared according to the Class 8 exam syllabus. Information about Which one is not correctly matched?a)Root-knot Disease - Meloidogyne javanicab)Smut of Bajra - Tolyposriumc)Covered Smut of Barley - Ustilago hordeid)Late Blight of Potato - Phytophthora infestansCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 8 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which one is not correctly matched?a)Root-knot Disease - Meloidogyne javanicab)Smut of Bajra - Tolyposriumc)Covered Smut of Barley - Ustilago hordeid)Late Blight of Potato - Phytophthora infestansCorrect answer is option 'D'. Can you explain this answer?.
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