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प्रश्न
The following terms has some anatomical significance. What do these terms mean? Explain with the help of line diagrams.
Secondary wall
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उत्तर
This is a non-extensible layer. It is made of hemicellulose. It provides rigidity to the cell.
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संबंधित प्रश्न
Name types of simple tissues.
What are the constituents of phloem?
Fill in the blank by selecting suitable words from the list given below:
Cells are elongated and thick at the comers in...................... tissue.
Identify the odd word and explain why it is odd.
The following statement is wrong. Rewrite it correctly by changing either one or two words.
Chlorenchyma helps the plant to float in water.
The following statement is wrong. Rewrite it correctly by changing either one or two words.
Chloroplast is present in permanent tissue.
______ tissues provide mechanical support to organs.
State whether true or false. If false, correct the statement.
Parenchyma is a simple tissue.
Identify the INCORRECT statement.
A simple living permanent tissue which is absent in roots is ______.
Product of photosynthesis is transported from the leaves to various parts of the plants and stored in some cell before being utilised. What are the cells/ tissues that store them?
While eating peach or pear it is usually seen that some stone like structures get entangled in the teeth, what are these stone like structures called?
Write the function of:
Collenchyma
Write the function of:
Aerenchyma
Statement I: Parenchyma is living but collenchyma is dead tissue.
Statement II: Gymnosperms lack xylem vessels but presence of xylem vessels is the characteristic of angiosperms.
In the light of the above statements, choose the correct answer from the options given below:
