What is the correct answer?


Lignin is the important constituent in the cell wall of

A. phloem

B. parenchyma

C. xylem

D. cambium

Correct Answer :

C. xylem

Lignin is the important constituent in the cell wall of xylem. Xylem consists of four different types of elements- tracheids, vessels, and xylem parenchyma and xylem fibres. Wall of tracheids are highly thickened by the deposition of lignin, except at certain points called as pits.

Related Questions

Cambium is considered as a lateral meristem because In land plants, the guard cells differ from other epidermal cells in having A piece of wood having no vessels (trachea) must be belonged to Main function of lenticel is Lignin is the important constituent in the cell wall of Which type of plant tissue is being described by the given statements?It… Which of the following is responsible for the formation of an embryonic… An organised and differentiated cellular structure having cytoplasm but… Identify types of vascular bundles in given figures A, B and C. During the formation of leaves and elongation of stem, some cells left… Apical, intercalary and lateral meristems are differentiated on the basis… Read the following statements and answer the question.Cambium is very… Apical and intercalary meristems are primary meristems because A student was given a tissue to observe under the microscope. He observes… Match the followings and choose the correct optionColumn-IColumn-IIA.… Identify the types of simple tissue indicated by A, B, C and D and their… Which of the following pair of match is not correct? In an experiment, a student cut a transverse section of young stem of… Which meristem helps in increasing girth? Match the terms given in column I with their funciton given in column… A narrow layer of thin walled cells found between phloem/ bark and wood… The __________ occurs in layers below the epidermis in dicotyledonous… Match the names of the structures given in column-I with the functions… T.S. of dicot leaf passing through the midrib is given below. Certain… One of the primary function of the ground tissue in a plant is T.S. of dicot stem is given below, certain parts have been marked by alphabets… Cork cambium and vascular cambium are A common structural feature of vessel elements and sieve tube elements… Read the following statements and answer the question.It has a sclerenchymatous… Which one of the following option shows the correct labelling of the parts…