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Collenchyma shows all of the following characteristic features, except
(a)They possess thickened cell wall.
(b)They are dead at maturity.
(c)They possess vacuoles for storage of food.
(d)They have cell wall which contains cellulose, pectin and hemicellulose.

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Important Questions on Biology
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Mature sclerenchyma cells have _____.

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Identify and in the given diagram of shoot apical meristem ?

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Match the Column-I with Column-II and select the correct option
Column-I | Column-II | ||
(a) | Ciliated columnar epithelium | (i) | Endothelium |
(b) | Cuboidal epithelium | (ii) | Upper respiratory tract |
(c) | Squamous epithelium | (iii) | Thyroid follicle |

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Which one of the following statements about phloem is correct?

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(i) Fruit wall of nuts
(ii) Pulp of fruit like guava and pear
(iii) Seed coat of legumes
(iv) Micropyle of pea

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