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28/10/2020 6:59 pm
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Coralloid roots of Cycas is distinguished from angiosperm roots by
(a) absence of pith
(b) having xylem tissue
(c) absence of algal zone
(d) presence of algal zone
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28/10/2020 7:01 pm
(d) presence of algal zone
Explanation:
In Cycas, coralloid roots are bluish green in colour and have blue-green algae in their cortex. This character distinguishes them from angiosperms.