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5.Morphology of Flowering Plants
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Choose the correct statement about haustorial (Parasitic) roots of Cuscuta
A
These roots develop contact with xylem of host
B
These develop contact with xylem and phloem of host
C
These develop contact with phloem of host to get food
D
These develop contact with pericycle and lateral roots of host
Solution
(b) Cuscuta is a total stem parasite.
The parasite develops haustorial roots which pass in to the host,
make connection with both xylem and phloem for withdrawing water and food.
Standard 11
Biology
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