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Anatomy Of Flowering Plants

Question
CBSEENBI11026061
Wired Faculty App

Which type of meristems allow the fallen stems of cereals/ grasses to become erect?

  • Apical meristem

  • Lateral meristem

  • Intercalary meristem

  • Secondary meristem

Solution

C.

Intercalary meristem

Intercalary meristem lies between region of permanent tissue. It is a part of primary meristem attached by a permanent tissue. It is present in the intemodal regions of grasses and also sometimes in nodal region.

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.

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