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Which of the following statements is not correct regarding mycorrhiza?
- a)It helps in absorption of phosphorus from the soil
- b)It is a symbiotic assocaition of fungi with the roots of higher plants
- c)It helps the plant in developing resistance to rootborne pathogens
- d)None of these
Correct answer is option 'D'. Can you explain this answer?
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Verified Answer
Which of the following statements is not correct regarding mycorrhiza?...
Several fungi are known to form symbiotic association with plants, i.e., Mycorrhiza. The most common fungi partners of mycorrhiza are Glomus species. Mycorrhiza roots show a sparse or dense wooly growth of fungus hyphae on their surface. The fungus remains restricted to the cortex of the root. The vascular strands and growing parts are not affected. The fungal symbionts in these associations absorb phosphorus from soil and pass it to the plant. Plants having such associations show other resistance to root-borne pathogens and drought and an overall increase in plant growth and development.
Most Upvoted Answer
Which of the following statements is not correct regarding mycorrhiza?...
Mycorrhiza is a symbiotic association between fungi and the roots of higher plants. It is a mutually beneficial relationship where both the fungus and the plant derive certain advantages. Mycorrhiza plays a crucial role in the nutrient uptake and overall health of plants.
Statement a: Mycorrhiza helps in the absorption of phosphorus from the soil.
This statement is correct. Mycorrhizal fungi have the ability to extend their hyphae (filamentous structures) into the soil, increasing the surface area for nutrient absorption. They secrete enzymes that break down complex organic forms of phosphorus into simpler, more readily available forms that can be absorbed by the plant.
Statement b: Mycorrhiza is a symbiotic association of fungi with the roots of higher plants.
This statement is correct. Mycorrhiza is indeed a symbiotic association between fungi and the roots of higher plants. The fungi colonize the root system of the plant, forming a network of mycelium that extends into the soil, while the plant provides the fungi with carbohydrates and other nutrients.
Statement c: Mycorrhiza helps the plant in developing resistance to rootborne pathogens.
This statement is also correct. Mycorrhizal fungi can enhance the plant's resistance to various rootborne pathogens. They can produce antimicrobial compounds or compete with pathogens for nutrients and space, thereby reducing pathogen colonization and disease development. Additionally, mycorrhizal symbiosis can stimulate the plant's immune responses, leading to an overall increase in plant defense mechanisms.
Therefore, the correct answer is option D, "None of these." All of the given statements are correct regarding mycorrhiza.
Statement a: Mycorrhiza helps in the absorption of phosphorus from the soil.
This statement is correct. Mycorrhizal fungi have the ability to extend their hyphae (filamentous structures) into the soil, increasing the surface area for nutrient absorption. They secrete enzymes that break down complex organic forms of phosphorus into simpler, more readily available forms that can be absorbed by the plant.
Statement b: Mycorrhiza is a symbiotic association of fungi with the roots of higher plants.
This statement is correct. Mycorrhiza is indeed a symbiotic association between fungi and the roots of higher plants. The fungi colonize the root system of the plant, forming a network of mycelium that extends into the soil, while the plant provides the fungi with carbohydrates and other nutrients.
Statement c: Mycorrhiza helps the plant in developing resistance to rootborne pathogens.
This statement is also correct. Mycorrhizal fungi can enhance the plant's resistance to various rootborne pathogens. They can produce antimicrobial compounds or compete with pathogens for nutrients and space, thereby reducing pathogen colonization and disease development. Additionally, mycorrhizal symbiosis can stimulate the plant's immune responses, leading to an overall increase in plant defense mechanisms.
Therefore, the correct answer is option D, "None of these." All of the given statements are correct regarding mycorrhiza.
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Which of the following statements is not correct regarding mycorrhiza?a)It helps in absorption of phosphorus from the soilb)It is a symbiotic assocaition of fungi with the roots of higher plantsc)It helps the plant in developing resistance to rootborne pathogensd)None of theseCorrect answer is option 'D'. Can you explain this answer?
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Which of the following statements is not correct regarding mycorrhiza?a)It helps in absorption of phosphorus from the soilb)It is a symbiotic assocaition of fungi with the roots of higher plantsc)It helps the plant in developing resistance to rootborne pathogensd)None of theseCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is not correct regarding mycorrhiza?a)It helps in absorption of phosphorus from the soilb)It is a symbiotic assocaition of fungi with the roots of higher plantsc)It helps the plant in developing resistance to rootborne pathogensd)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is not correct regarding mycorrhiza?a)It helps in absorption of phosphorus from the soilb)It is a symbiotic assocaition of fungi with the roots of higher plantsc)It helps the plant in developing resistance to rootborne pathogensd)None of theseCorrect answer is option 'D'. Can you explain this answer?.
Which of the following statements is not correct regarding mycorrhiza?a)It helps in absorption of phosphorus from the soilb)It is a symbiotic assocaition of fungi with the roots of higher plantsc)It helps the plant in developing resistance to rootborne pathogensd)None of theseCorrect answer is option 'D'. Can you explain this answer? for NEET 2024 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statements is not correct regarding mycorrhiza?a)It helps in absorption of phosphorus from the soilb)It is a symbiotic assocaition of fungi with the roots of higher plantsc)It helps the plant in developing resistance to rootborne pathogensd)None of theseCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statements is not correct regarding mycorrhiza?a)It helps in absorption of phosphorus from the soilb)It is a symbiotic assocaition of fungi with the roots of higher plantsc)It helps the plant in developing resistance to rootborne pathogensd)None of theseCorrect answer is option 'D'. Can you explain this answer?.
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