Sexual Reproduction In Flowering Plant Question 45
Question: Which of the following statement is correct for the pollen tube [NCERT 1980; CBSE PMT 1993]
Options:
A) It shows chemotactic movement
B) It shows only tip growth
C) It is composed of three non-cellular zones
D) It shows radial cytoplasmic streaming
Show Answer
Answer:
Correct Answer: A
Solution:
The movement of pollen tube towards embryo sac though style is chemotactic as it secrets pectinases and other hydrolytic enzymes to create a passage for its entry into style.
BETA
