AIIMS 2014 Botany Ecology MCQ Question
Assertion In open water zone upto the depth to which light can penetrate, called photic zone. Reason The photic zone is categorized into euphotic and disphotic zone.
Both Assertion and Reason are true and Reason is the correct explanation of Assertion
Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
Assertion is true but Reason is false
Both Assertion and Reason are false
Correct Answer
Detailed Explanation
The assertion is correct because the photic zone is indeed the layer of open water where sunlight can penetrate, allowing photosynthesis to occur. The reason is also true, as the photic zone is divided into euphotic (well-lit) and disphotic (dimly lit) areas; however, this division does not directly explain why the photic zone is defined as it is, making the reason not a correct explanation for the assertion.
Found an issue with this question?