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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.
Fill in the blank by selecting suitable words from the list given below:
Cells are elongated and thick at the comers in...................... tissue.
Fill in the blank by selecting suitable words from the list given below:
Parenchyma is composed of large ..............cell
Write true or false of the statement. Rewrite the false statement correctly.
Sclerenchyma cells are dead cells with no protoplasmic content.
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.
State whether true or false. If false, correct the statement.
Parenchyma is a simple tissue.
Identify the INCORRECT statement.
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?
Below is a list of plant fibres. From which part of the plant these are obtained
Coir
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:
