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Anatomy Of Flowering Plants

Question
CBSEENBI11025496
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Age of a tree can be estimated by

  • its height and girth

  • biomass

  • number of annual rings

  • diameter of its heartwood

Solution

C.

number of annual rings

Age of a tree can be estimated by number of annual rings. The two kinds of woods that appear as alternate concentric rings, constitute an annual ring heartwood comprises dead elements with highly lignified walls that give mechanical support to the stem. The height and girth of a tree increases due to the activity of vascular cambium.

Some More Questions From Anatomy of Flowering Plants Chapter

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.

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

Cork cambium forms tissues that form the cork. Do you agree with this statement? Explain. 

A transverse section of stem is stained first with safranin and then with fast green following the usual schedule of double staining for the preparation of a permanent slide. What would be the colour of the stained xylem and phloem?

Identify the tissue system from among the following

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A conjoint and open vascular bundle will be observed in the transverse section of

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