Question 9
Reproduction in PlantsDouble fertilization is said to occur in flowering plants because
- A.two embryos are formed
- B.one egg is fertilized twice
- C.two sperms fertilize each egg
- D.one embryo and an endosperm nucleus are formed
- E.two sperms and two pollen grains are involved
Show the answer and explanation
Answer: D (one embryo and an endosperm nucleus are formed)
Explanation
One male nucleus fuses with the egg to form the embryo and the other fuses with the polar nuclei to form the endosperm nucleus: two fusions.