A) I, II
B) II, III
C) III, IV
D) II, IV
Correct Answer: C
Solution :
Sieve elements contain little cytoplasm and no nucleus. They combine to form a series of tubes connecting the leaves, shoots and roots in a fine network. Food materials are transported from one element to another via perforations termed sieve areas or sieve plates- Cork lacks stomata but it is interrupted by lenticels.
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