A) The egg cell attracts the pollen tube as they have dissimilar electric charge
B) The filiform apparatus of synergids is believed to attract the pollen tube
C) It has no other passage to follow
D) It grows under control of nucleus
Correct Answer: B
Solution :
In porogomy, filiform apparatus of synergids secretes, some chemotropically active substances, which direct the pollen tube towards micropyle of ovule.
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