Advertisements
Advertisements
Question
The dead element present in the phloem is
Options
companion cells
phloem fibres
phloem parenchyma
sieve tubes
Advertisements
Solution
phloem fibres
Phloem is a complex permanent tissue of vascular plants which conducts organic food material from leaves to different plant parts. Phloem consists of four types of component viz. sieve tubes, companion cells, phloem parenchyma and phloem fibres. Out of all these components only the phloem fibres are dead and the remaining ones are living.
APPEARS IN
RELATED QUESTIONS
Distinguish between Simple epithelium and compound epithelium
Fill in the blank
Epithelial tissue is made of cells without any ...................... spaces.
Give structure, types and functions in brief of the following:
Epithelial tissue
Name the tissues found
at the outer layer of skin.
Name the tissues found:
in the testes and ovaries.
The main function of the cuboidal epithelium is
Write true (T) or false (F)
The lining of blood vessels, lung alveoli and kidney tubules are all made up of epithelial tissue.
Give reasons for
Intercellular spaces are absent in sclerenchymatous tissues.
In a certain type of cell division, the diploid number of chromosomes is reduced to half. This kind of division occurs in ______.
Write one point of difference between
Simple and compound epithelial tissue.
