| (i) Uneven thickening of cell wall is characteristic of sclerenchyma. |
| (ii) Periblem forms cortex of the stem and the root. |
| (iii) Tracheids are the chief water transporting elements in gymnosperms. |
| (iv) Companion cell is devoid of nucleus at maturity. |
| (v) The commercial cork is obtained from Quercus suber. |
A) (i) and (iv) only
B) (ii) and (v) only
C) (iii) and (iv) only
D) (ii), (iii) and (v) only
Correct Answer: D
Solution :
[d] Statements (ii), (iii) and (v) are correct. (i) Uneven thickening of the cell wall is not the characteristics of sclerenchyma. (iv) A mature sieve elements are devoid of nucleus at maturity.
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