Assertion: The modes of nutrition are varied for different organisms.Reason: The nutrient requirement and complexity of organisms determine the mode of nutrition adopted by organisms.Both Assertion (A) and Reason (R) are the true and Reason (R) is a correct explanation.Both Assertion (A) and Reason (R) are the true but Reason (R) is not a correct explanation.Assertion (A) is true and Reason (R) is false.Assertion (A) is false and Reason (R) is true.
Question
Assertion: The modes of nutrition are varied for different organisms.Reason: The nutrient requirement and complexity of organisms determine the mode of nutrition adopted by organisms.Both Assertion (A) and Reason (R) are the true and Reason (R) is a correct explanation.Both Assertion (A) and Reason (R) are the true but Reason (R) is not a correct explanation.Assertion (A) is true and Reason (R) is false.Assertion (A) is false and Reason (R) is true.
Solution
The correct answer is: Both Assertion (A) and Reason (R) are true and Reason (R) is a correct explanation.
This is because the mode of nutrition indeed varies among different organisms. Some organisms, like humans, are heterotrophs, meaning they obtain their nutrients by consuming other organisms. Others, like plants, are autotrophs, meaning they can produce their own food through photosynthesis.
The reason given is also correct. The nutrient requirements and complexity of an organism do determine its mode of nutrition. For example, simple organisms like bacteria may absorb nutrients directly from their environment, while more complex organisms like mammals have specialized systems for digestion and nutrient absorption.
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