Question

3. In angiosperms, all the four microspore of a tetrad
are covered by a layer formed by
(a) cellulose
(b) sporopollenin
(c) pectose
(d) callose
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Answer 1

hi

yr answer is sporopallenin

I hope it will help you

please mark it a brain list answer :)

Answer 2

Heya mates⬅️⬅️⬅️⬅️⬅️⬅️⬅️
Your answer is (b) sporopollenin