Question : Assertion. Vessels are made upof row of cells placed one above the another with their intervening walls (septa) absent due to dissolution. Reason. Sieve tubes are tubular channels. In tracheids walls are thick.

Question : Assertion. Vessels are made upof row of cells placed one ab

1.	Question : Assertion. Vessels are made upof row of cells placed one above the another with their intervening walls (septa) absent due to dissolution. Reason. Sieve tubes are tubular channels. In tracheids walls are thick.
Answer» If both Assertion and REASON are TRUE and the Reason is a CORRECT EXPLANATION of the Assertion. If both Assertion and Reason are true but Reason is not a correct explanation of the Assertion. If Assertion is true but the Reason is false. If both Assertion and Reason are false. Answer :B