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Anatomy Of Flowering Plants

Question
CBSEENBI11002630
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For a critical study of secondary growth in plants. which one of the following pairs is suitable?

  • Sugarcane and sunflower

  • Teak and pine

  • Deodar and fern

  • Wheat and maiden hair fern

Solution

B.

Teak and pine

The increase in diameter or thickness is due to the formation of secondary tissues as a result of the activities of vascular cambium and cork cambium. This secondary growth is characteristic of dicot stem and root.

Some More Questions From Anatomy of Flowering Plants Chapter

State the location and function of different types of meristems.

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?

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