Question

Soyabean root exports fixed nitrogen as _____ by _____ (respectively).

• A. Ureides; Phloem
• B. Ureides; Xylem
• C. Amides; Phloem
• D. Amino adds; Xylem by

Answer 1

The correct option is A Ureides; Phloem

Soyabean plants can access atmospheric nitrogen through a symbiotic relationship with bacteroids that reside in root nodules. The products of fixation are the ureides, allantoin, and allantoic acid, which transported by xylem from roots to shoots.

Thus, the correct answer is (B).