In the following questions, a statement of assertion (A) is followed by a statement of reason (R)
(1) If both Assertion & Reason are true and the reason is the correct explanation of the assertion, then mark A
(2) If both Assertion & Reason are true but the reason is not the correct explanation of the assertion, then mark B
(3) If Assertion is true statement but Reason is false, then mark
(4) If both Assertion and Reason are false statements, then mark D
Assertion - The xylem element which is elongated cells, tapering ends, thick and lignified wall is xylem tracheids.
Reason- Xylem tracheids do not have protoplasm and are dead.
A
B
C
D
The xylem element which is elongated or tube like cells, tapering ends, thick and lignified wall is xylem tracheids.
Xylem tracheids do not have protoplasm and are dead because they are lignified. The xylem tracheids do conduction of water and also provide mechanical support . These are found in flowering plants like angiosperms and gymnosperms.
Option 1 is the correct answer.