During secondary growth in dicot stems, the cells that form the phelloderm are:

In dicot root, the cork cambium is formed with the help of

Which of the following is responsible for the radial growth of plants?

I. The 1° and 2° phloem get gradually crushed due to the continued formation and accumulation of 2° xylem

II. 1° xylem remains more or less intact in or near the centre

III. Secondary growth results in an increase in the length of the axis

Select the correct statements

    The loosely arranged non-chlorophyllous parenchyma cells present in lenticels, are called

Plants having little or no secondary growth are

Secondary phloem remains functional generally

Exchange of gases between the outer atmosphere and internal tissue of the stem takes place by (in dicot stem)

I. Peripheral region of the secondary xylem in dicot stem in lighter in colour and known as heart wood

II. It is involved in water and mineral conduction

Select the correct option from below

In any dicot root having secondary growth, the cork is the

Lenticels are primarily involved in: