Advertisements
Advertisements
Question
Study the diagram given below and then answer the question that follows:
State the function of the parts labelled 1, 2, 3 and 4.
Solution
1 → Sieve cells: Help in the transport of food from leaves to storage organs and other parts of the plant.
2 → Phloem parenchyma cells: Storage of starch, fat and other organic food material.
3 → Companion cells: Help in the functioning of the sieve tube cells.
4 → Sieve plate: Perforations in the sieve plates allow water and dissolved organic solutes to flow along the sieve tube.
APPEARS IN
RELATED QUESTIONS
Differentiate between parenchyma, collenchyma and sclerenchyma on the basis of their cell wall.
How does the cork act as a protective tissue?
Explain different types of elements present in phloem.
What are tracheary elements? Describe their functions.
What is simple tissue? Classify and explain its different types with suitable diagram.
Study the diagram given below and then answer the question that follows:
Name the parts labelled 1, 2, 3 and 4.
Give the structure and function of the following:
Crystal
The question has four answers. Choose the correct answer:
The parenchymatous tissue is
Cells of this tissue are living and show angular wall thickening. They also provide mechanical support. The tissue is ______.
In which of the following pairs of parts of a flowering plant is epidermis absent?
