+91-8076753736[email protected]
logo
logo
-->

Anatomy Of Flowering Plants

Question
CBSEENBI11025221
Wired Faculty App

In the following pairs, where do you get lignin in both the element?

  • Tracheid and collenchyma

  • Sclerenchyma and sieve tube

  • Sclerenchyma and trachea

  • Parenchyma and endodermis

Solution

C.

Sclerenchyma and trachea

The cells of sclerenchyma are long or short, narrow, thick walled and lignified. These are dead cells and do not perform any metabolic function. Tracheids (tracheary element) are elongated cells with tapering ends. The wall of tracheids is moderatly thick and usually lignified.

Some More Questions From Anatomy of Flowering Plants Chapter

Explain the process of secondary growth in the stems of woody angiosperms with the help of schematic diagrams. What is its significance?

Draw illustrations to bring out anatomical difference between:
(a) Monocot root and dicot root
(b) Monocot stem and dicot stem

Cut a transverse section of young stem of a plant from your school garden and observe it under the microscope. How would you ascertain whether it is a monocot stem or a dicot stem? Give reasons.

The transverse section of a plant material shows the following anatomical features:
(a) the vascular bundles are conjoint, scattered and surrounded by a sclerenchymatous bundle sheaths.
(b) phloem parenchyma is absent. What will you identify it as?

Why are xylem and phloem called complex tissues?

What is stomatal apparatus? Explain the structure of stomata with a labelled diagram. 

Name the three basic tissue systems in the flowering plants. Give the tissue names under each system.

How is the study of plant anatomy useful to us?

What is periderm? How does periderm formation take place in the dicot stems?

Describe the internal structure of a dorsiventral leaf with the help of labelled diagrams.

Mock Test Series

Mock Test Series

NCERT Sample Papers

Entrance Exams Preparation