Class CBSE Class 12 Biology Sexual Reproduction in Flowering Plants Q #1867
KNOWLEDGE BASED
REMEMBER
1 Marks 2024 AISSCE(Board Exam) MCQ SINGLE
Which one forms endosperm after fusion with male gamete ?
(A) Oosphere
(B) Synergids
(C) Antipodals
(D) Secondary nucleus
Correct Answer: D
Explanation
Endosperm is formed from the primary endosperm nucleus. Its formation starts before the formation of embryo. Primary endosperm nucleus is produced by fusion of secondary nucleus and second male gamete. The endosperm is thus tripled (3n).