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Asked by Sagar Rachchh

Nov 24, 2014

Explain the xylem in endarch and exarch conditions.

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Asked by Sagar Rachchh

Dec 5, 2014

What is obliterated central lumen?

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Asked by Sagar Rachchh

Dec 5, 2014

Differentiate between septate and aseptate xylem fibres.

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Asked by Sagar Rachchh

Dec 28, 2014

What is annual ring? Explain its formation.

Sol:

Annual ring is the alternation of spring wood and autumn wood in a concentric circle on the trunk

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Asked by Pranab Kumar Padhi

Jun 7, 2015

Explain about complex permanent tissues.

Sol:

Permanent tissues are the tissues which have lost the capacity to divide. They can be thin walled or thick walled and have permanent shape. Permanent tissues can be simple or permanent compl...

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Asked by Sagar Rachchh

Jan 30, 2015

What is the role of cork cambium?

Sol:

Secondary growth is the increase in the girth of the stems and roots of plants. Secondary growth is brought about by lateral meristems, vascular and cork cambiums.

*During sec...

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Asked by Sanalkumar S

Jan 9, 2015

Explain the process of secondary growth occurring in dicot plants. Why is secondary growth absent in monocots?

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Asked by Sagar Rachchh

Dec 5, 2014

Sclerenchymatous cells have thick cell walls. Explain the statement with a diagram.

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Asked by Sanalkumar S

Nov 15, 2014

How does secondary growth occcur in roots of the monocot and dicot plants?

Sol:

Secondary growth is seen in dicots. Most monocots and herbaceous plants undergo little or no secondary growth.
Secondary growth:
Secondary growth is the increa...

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Asked by Sagar Rachchh

Dec 28, 2014

Describe the process of secondary growth in stems.

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