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Arrange the following plants in ascending order based on the number of xylem strands in their roots.

I. Trapa        II. Pisum      III. Castanea        IV. Nicotiana

a)

II, IV, III, and I

b)

III, IV, II, and I

c)

IV, III, I, and II

d)

I, IV, II and III


Question ID - 2373 | SaraNextGen Top Answer

Arrange the following plants in ascending order based on the number of xylem strands in their roots.

I. Trapa        II. Pisum      III. Castanea        IV. Nicotiana

a)

II, IV, III, and I

b)

III, IV, II, and I

c)

IV, III, I, and II

d)

I, IV, II and III

1 Answer
127 votes
Answer Key / Explanation : (d) -

(d)

Only one xylem strand occurs in the slender root of the hydrophyte Trapa natans. In Nicotiana, the roots are diarch. In Pisum, the root is triarch. In Castanea, the root is tetrarch.
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