A) Cucurbits
B) Vitis
C) Magnolia
D) Corchorus
Correct Answer: B
Solution :
A sieve plate is the region of pores between two sieve tube members. Sieve plates may be of two types : (i) Simple sieve plate: consists of only one region of pores. (ii) Compound sieve plate : consists of severe pore regions which are separated by bars of wall thickening, e.g., Vitis
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