Q. Which one of the following statements is not true?
A) Pollen grains are released from anthers at 2-celled state
B) Sporogenous cell directly behaves as the megaspore mother cell
C) Megaspore divides twice to form an eight nucleate embryo sac
D) Egg and synergids always lie near the micropylar end of ovule
Explanation
Megaspore mother cell is developed inside the nucellus and by a meiotic division, it forms four megaspores. Out of these, generally three degenerate and remaining one is called functional megaspore. It undergoes mitosis three times without cytoplasmic division to form an eight nucleate embryo sac.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.