Length of pollen tube depends on the distance between
(a) pollen grain and upper surface of stigma
(b) pollen grain on upper surface of stigma and ovule
(c) pollen grain in anther and upper surface of stigma
(d) upper surface of stigma and lower part of style

NCERT Class X
Science - Exemplar Problems

Chapter_Heredity and Evolution

2

Answers

2015-05-29T20:14:55+05:30
(c) pollen grain in anther and upper surface of stigma
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2015-05-29T21:13:31+05:30
Option (c)  -  is the correct.
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