Notifications
Clear all
0
01/09/2020 12:44 pm
Topic starter
Assertion: Torsion can be seen in ctendium.
Reason: Ctenidium acts as the respiratory organ.
(a) If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
(b) If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
(c) If the Assertion is correct but Reason is incorrect.
(d) If both the Assertion and Reason are incorrect.
(e) If the Assertion is incorrect but the Reason is correct.
1 Answer
0
01/09/2020 12:45 pm
Correct option:(b)
Explanation:
Ctenidium is a gill situated on the right side of the branchial chamber. It helps in respiration by beating cilia. During development, ctenidium shifts from left side to right side which is called "torison". It is characteristic feature of gastropods.