Prepare for NEET Biology Anatomy of Flowering Plants with MCQs & PYQs on NEET.GUIDE. Enjoy free practice, previous year questions, and expert insights on plant tissues and structures.
Which of the following cell types provides rigidity and strength to plant parts even after cell death due to lignin deposition?
Parenchyma
Collenchyma
Sclerenchyma
Meristem
All the following statements regarding sieve tube elements are true except
Lack a nucleus at maturity
Are associated with companion cells
Possess a cell membrane
Possess a nucleus at maturity
The cork is impervious to water due to
Lignin deposition in the cell wall
Compactness of cell
Suberin deposition in the cell wall
All of the above
Identify from the following, a plant tissue in which lignin does not occur in the cell walls?
Collenchyma
Sclerenchyma fibres
Sclereids
Xylem tracheae