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Assertion : Roundworms may be freeliving, aquatic and terrestrial or parasitic in plants and animals.
Reason : Roundworms have  complete digestive canal with muscular pharynx.  
  • a)
    If both Assertion & Reason are true and reason is the correct explanation of the assertion  
  • b)
    If both Assertion & Reason are true but reason is not the correct explanation of the assertion.  
  • c)
    If Assertion is true statement but Reason is false.  
  • d)
    If both Assertion and Reason are false statements. 
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
Assertion : Roundworms may be freeliving, aquatic and terrestrial or p...
The answer is B because, assertion gives the general description of the lifestyle of an earthworm whereas the reason explains about a particular system namely, digestive system of an earthworm. Hence the reason doesn't suits the assertion, but both the statements are true.

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Community Answer
Assertion : Roundworms may be freeliving, aquatic and terrestrial or p...
Assertion Explained
- Roundworms, also known as nematodes, exhibit a diversity of lifestyles.
- They can be:
- Freeliving: Found in various environments, including soil and aquatic systems.
- Parasitic: Infecting plants and animals, causing diseases and other issues.
Reason Explained
- Roundworms possess a complete digestive canal, which is an advanced feature.
- Key characteristics of their digestive system include:
- Muscular Pharynx: This structure aids in the efficient processing of food, allowing roundworms to consume a variety of organic matter.
- The complete digestive system enables them to effectively break down and absorb nutrients.
Relationship Between Assertion and Reason
- Both the assertion and reason are true statements.
- However, the reason does not directly explain why roundworms can be freeliving or parasitic.
- The diversity in lifestyle is more related to ecological adaptations rather than solely their digestive anatomy.
Conclusion
- Therefore, the correct choice is option 'B':
- Both the assertion and reason are true, but the reason is not the correct explanation of the assertion.
- This highlights the complexity of roundworms and their adaptability in various environments, emphasizing that while their digestive structure is significant, it does not solely account for their lifestyle diversity.
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Assertion : Roundworms may be freeliving, aquatic and terrestrial or parasitic in plants and animals.Reason : Roundworms have complete digestive canal with muscular pharynx. a)If both Assertion & Reason are true and reason is the correct explanation of the assertion b)If both Assertion & Reason are true butreason is not the correct explanation of the assertion. c)If Assertion is true statement but Reason is false. d)If both Assertion and Reason are false statements.Correct answer is option 'B'. Can you explain this answer?
Question Description
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