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. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyStatement I: | In collenchyma, cell walls are thickened at corners due to deposition of cellulose, hemicellulose and pectin. |
Statement II: | Sclerenchyma consists of lignified cell walls and possesses pits. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following is not a character of collenchyma tissue?
1. | They provide mechanical support to the growing part of the plant |
2. | They occur in layers below epidermis in dicotyledonous plants |
3. | They consist of cells with thick corners due to cellulose deposition |
4. | They are usually dead and without protoplasts |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. | Parenchyma | 2. | Collenchyma |
3. | Sclerenchyma | 4. | Sclereid |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology