UPSC Exam > UPSC Questions > Consider the following statements:Statement-I...
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Consider the following statements:
Statement-I: Most Herbicides are toxic to mammals.
Statement-II: Herbicides become concentrated in the food web.
Which one of the following is correct in respect of the above statements?
Statement-I: Most Herbicides are toxic to mammals.
Statement-II: Herbicides become concentrated in the food web.
Which one of the following is correct in respect of the above statements?
- a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.
- b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.
- c)Statement-I is correct but Statement-II is incorrect.
- d)Statement-I is incorrect but Statement-II is correct.
Correct answer is option 'A'. Can you explain this answer?
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Verified Answer
Consider the following statements:Statement-I: Most Herbicides are tox...
- Most herbicides are toxic to mammals but are not as persistent as organo-chlorides. These chemicals decompose in a few months. Like organo-chlorides, these too become concentrated in the food web. Some herbicides cause birth defects. Studies show that cornfields sprayed with herbicides are more prone to insect attack and plant disease than fields that are weeded manually.
- Pesticides and herbicides represent only a very small portion of widespread chemical pollution. A large number of other compounds that are used regularly in chemical and industrial processes for manufacturing activities are finally released in the atmosphere in one or other form. Hence, option (a) is the correct answer.
Most Upvoted Answer
Consider the following statements:Statement-I: Most Herbicides are tox...
Explanation:
Statement-I:
- Most herbicides are indeed toxic to mammals. Herbicides are specifically designed to target plants and their mechanisms of action can also affect mammals if ingested or exposed to in high concentrations. This is why herbicides are used carefully and with caution to minimize risks to mammals and other non-target organisms.
Statement-II:
- Herbicides can become concentrated in the food web. When herbicides are applied to crops or fields, they can be taken up by plants and accumulate in their tissues. Herbivores that feed on these plants can then accumulate the herbicides in their bodies. As predators consume herbivores, the concentration of herbicides can increase further up the food chain. This can pose risks to higher-level predators that consume contaminated prey.
Therefore, both statements are correct and Statement-II provides a valid explanation for Statement-I. The toxicity of herbicides to mammals and their potential for bioaccumulation in the food web are important considerations when using these chemicals in agriculture and other settings.
Statement-I:
- Most herbicides are indeed toxic to mammals. Herbicides are specifically designed to target plants and their mechanisms of action can also affect mammals if ingested or exposed to in high concentrations. This is why herbicides are used carefully and with caution to minimize risks to mammals and other non-target organisms.
Statement-II:
- Herbicides can become concentrated in the food web. When herbicides are applied to crops or fields, they can be taken up by plants and accumulate in their tissues. Herbivores that feed on these plants can then accumulate the herbicides in their bodies. As predators consume herbivores, the concentration of herbicides can increase further up the food chain. This can pose risks to higher-level predators that consume contaminated prey.
Therefore, both statements are correct and Statement-II provides a valid explanation for Statement-I. The toxicity of herbicides to mammals and their potential for bioaccumulation in the food web are important considerations when using these chemicals in agriculture and other settings.
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Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer?
Question Description
Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer?.
Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer? for UPSC 2024 is part of UPSC preparation. The Question and answers have been prepared according to the UPSC exam syllabus. Information about Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer? covers all topics & solutions for UPSC 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer?.
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ample number of questions to practice Consider the following statements:Statement-I: Most Herbicides are toxic to mammals.Statement-II: Herbicides become concentrated in the food web.Which one of the following is correct in respect of the above statements?a)Both Statement-I and Statement-II are correct and Statement-II is the correct explanation for Statement-I.b)Both Statement-I and Statement-II are correct and Statement-II is not the correct explanation for Statement-I.c)Statement-I is correct but Statement-II is incorrect.d)Statement-I is incorrect but Statement-II is correct.Correct answer is option 'A'. Can you explain this answer? tests, examples and also practice UPSC tests.
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