Which one of following statements is not true?

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1.Sexual Reproduction in Flowering Plants

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Which one of the following statements is not true?

Pollen grains are released from anthers at $2-$celled state

Sporogenous cell directly behaves as the megaspore mother cell

Megaspore divides twice to form an eight nucleate embryo sac

Egg and synergids always lie near the micropylar end of ovule

Solution

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.

Standard 12

Biology