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Consider the following statements.
  1. Weeds are undesirable plants that compete with crops for nutrients, water and sunlight.
  2. Glyphosate is non-selective herbicide, killing most plants coming into contact with it.
  3. The Ministry of Agriculture and Farmers Welfare, has banned the use of glyphosate in India, owing to the health hazards and risk to human beings and animals.
How many of the above statements are correct?
  • a)
    Only one 
  • b)
    Only two 
  • c)
    All three 
  • d)
    None
Correct answer is option 'B'. Can you explain this answer?
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Most Upvoted Answer
Consider the following statements. Weeds are undesirable plants that c...
Statements Analysis:

Weeds competition with crops:
- The statement is correct. Weeds are unwanted plants that can hinder the growth of crops by competing for essential resources like nutrients, water, and sunlight.

Glyphosate as a non-selective herbicide:
- This statement is also correct. Glyphosate is a broad-spectrum herbicide that kills most plants it comes into contact with, regardless of whether they are weeds or desired plants.

Ministry of Agriculture's ban on glyphosate:
- This statement is incorrect. As of now, the Ministry of Agriculture and Farmers Welfare in India has not banned the use of glyphosate. However, there have been discussions and debates about the potential health hazards and risks associated with the use of glyphosate.
Therefore, only the first two statements are correct.

Correct Answer Explanation:
- Option B, "Only two," is the correct answer because only the first two statements are accurate. The third statement about the ban on glyphosate in India is incorrect.
In conclusion, understanding the nature of weeds, the characteristics of glyphosate, and the current regulatory status of glyphosate in India is essential for effective agricultural practices and environmental management.
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Community Answer
Consider the following statements. Weeds are undesirable plants that c...
Statement 3 is incorrect.
The Union Agriculture Ministry has restricted the use of glyphosate, a widely used herbicide.
  • It is a herbicide used to kill weeds — undesirable plants that compete with crops for nutrients, water and sunlight. Since weeds basically grow at the expense of crops, farmers remove them manually or spray herbicides.
  • Glyphosate is a broad-spectrum herbicide that can control a wide range of weeds, whether broadleaf or grassy.
  • In general, though, the scope for glyphosate use is limited for the very reason that it is non-selective. Designed to kill all plants coming into contact with it, the chemical cannot ordinarily distinguish between crop and weed. Hence, it can be used in tea or rubber plantations, but not in fields where the crops and weeds are at almost the same level.
  • The Ministry of Agriculture and Farmers Welfare issued a notification stating that “the use of glyphosate involves health hazards and risk to human beings and animals”. It has, however, not banned and only “restricted” its use. The spraying of glyphosate and its derivatives shall henceforth only be permitted through “pest control operators”.
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Passage -1The law in many parts of the world increasingly restricts the discharge of agricultural slurry into watercourses. The simplest and often the most economically sound practice returns the material to the land as semisolid manure or as sprayed slurry. This dilutes its concentration in the environment to what might have occurred III a more primitive and sustainable type of agriculture and converts pollutant into fertilizer. Soil microorganisms decompose the organic components of sewage and slurry and most of the mineral nutrients become available to be absorbed again by the vegetation.The excess input of nutrients, both nitrogen and phosphorus - based, from agricultural runoff (and human sewag e) has caused many healthy oligotrophic lakes (low nutrient concentrations, low plant productivity with abundant water weeds, and clear water) to change to eutrophic condition where high nutrient inputs lead to high phytoplankton productivity (sometimes dominated by bloomforming toxic species). This makes the water turbid, eliminates large plants and, in the worst situations, leads to anoxia and fish kills; so called cultural eutrophication. Thus, important ecosystem services are lost, including the provisioning service of wild-caught fish and the cultural services associated with recreation.The process of cultural eutrophication of lakes has been understood for some time. But only recently did scientists notice huge dead zones in the oceans near river outlets, particularly those draining large catchment areas such as the Mississippi in North America and the Yangtze in China. The nutrient-enriched water flows through streams, rivers and lakes, and eventually to the estuary and ocean where the ecological impact may be huge, killing virtually all invertebrates and fish in areas up to 70,000 km2 in extent. More than 150 sea areas worldwide are now regularly starved of oxygen as a result of decomposition of algal blooms, fuelled particularly by nitrogen from agricultural runoff of fertilizers and sewage from large cities. Oceanic dead zones are typically associated withindustrialized nations and usually lie off- countries that subsidize their agriculture, encouraging farmers to increase productivity and use more fertilizer.Q.What is the central theme of this passage?

Directions for the following 7 (seven) items: Read the following two passages and answer the items that follow each passage. Your answers to these items should be based on the passages only.Passage -1The law in many parts of the world increasingly restricts the discharge of agricultural slurry into watercourses. The simplest and often the most economically sound practice returns the material to the land as semisolid manure or as sprayed slurry. This dilutes its concentration in the environment to what might have occurred III a more primitive and sustainable type of agriculture and converts pollutant into fertilizer. Soil microorganisms decompose the organic components of sewage and slurry and most of the mineral nutrients become available to be absorbed again by the vegetation.The excess input of nutrients, both nitrogen and phosphorus - based, from agricultural runoff (and human sewag e) has caused many healthy oligotrophic lakes (low nutrient concentrations, low plant productivity with abundant water weeds, and clear water) to change to eutrophic condition where high nutrient inputs lead to high phytoplankton productivity (sometimes dominated by bloomforming toxic species). This makes the water turbid, eliminates large plants and, in the worst situations, leads to anoxia and fish kills; so called cultural eutrophication. Thus, important ecosystem services are lost, including the provisioning service of wild-caught fish and the cultural services associated with recreation.The process of cultural eutrophication of lakes has been understood for some time. But only recently did scientists notice huge dead zones in the oceans near river outlets, particularly those draining large catchment areas such as the Mississippi in North America and the Yangtze in China. The nutrient-enriched water flows through streams, rivers and lakes, and eventually to the estuary and ocean where the ecological impact may be huge, killing virtually all invertebrates and fish in areas up to 70,000 km2 in extent. More than 150 sea areas worldwide are now regularly starved of oxygen as a result of decomposition of algal blooms, fuelled particularly by nitrogen from agricultural runoff of fertilizers and sewage from large cities. Oceanic dead zones are typically associated withindustrialized nations and usually lie off- countries that subsidize their agriculture, encouraging farmers to increase productivity and use more fertilizer.Q.According to the passage, why should the discharge of agricultural slurry into watercourses be restricted?1. Losing nutrients in this way is not a good practice economically.2. Watercourses do not contain the microorganisms that can decompose organic components of agricultural slurry.3. The discharge may lead to the eutrophication of water bodies.

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Consider the following statements. Weeds are undesirable plants that compete with crops for nutrients, water and sunlight. Glyphosate is non-selective herbicide, killing most plants coming into contact with it. The Ministry of Agriculture and Farmers Welfare, has banned the use of glyphosate in India, owing to the health hazards and risk to human beings and animals.How many of the above statements are correct?a)Only oneb)Only twoc)All threed)NoneCorrect answer is option 'B'. Can you explain this answer?
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