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Question:

Xylem translocates. A. Water only B. Water and mineral salts only C. Water, mineral salts and some organic nitrogen only D. Water, mineral salts, some organic nitrogen and hormones

Water only

Water and mineral salts only

Water, mineral salts and some organic nitrogen only

Water, mineral salts, some organic nitrogen and hormones

Solution:

Correct option is D. Water, mineral salts, some organic nitrogen and hormones. Xylem is associated with translocation of mainly water, mineral salts, some organic nitrogen and hormones. So, the correct answer is 'Water, mineral salts, some organic nitrogen and hormones'