Which cells in xylem are generally dead?

A. tracheids और vessels / Tracheids and vessels

Step 1: Identify the concept: this is xylem tissue. Step 2: Xylem tracheids and vessels are dead thick walled cells that help transport water. Step 3: Remember xylem vessels are dead water tubes.

Step 1: concept पहचानें: यह xylem tissue है। Step 2: Xylem tracheids और vessels dead thick walled cells होते हैं जो water transport में मदद करते हैं। Step 3: Xylem vessels are dead water tubes याद रखें।