Join ExamsbookAnswer : 1. "double fertilization"
Which of these is unique to flowering plants?5
Q: Which of these is unique to flowering plants?
- 1double fertilizationtrue
- 2an embryo surrounded by nutritive tissuefalse
- 3haploid gametophytesfalse
- 4pollen productionfalse
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Answer : 1. "double fertilization"
Explanation :
Answer: A) double fertilization Explanation: In flowering plants one sperm nucleus fertilizes the egg and the other sperm nucleus fuses with two other nuclei found within the ovule, thus forming triploid endosperm. Hence, double fertilization is unique to flowering plants.