Select the correct statement about double fertilization in the angiosperm life cycle. a. Double fertilization results from the fusion of the male and female gametophytes of angiosperms. b. Double fertilization prevents the production of infertile pollen grains. c. Double fertilization produces a diploid sporophyte and a triploid endosperm.

Question

Biology

Janiya Cowan

2 February, 04:40

Select the correct statement about double fertilization in the angiosperm life cycle. a. Double fertilization results from the fusion of the male and female gametophytes of angiosperms. b. Double fertilization prevents the production of infertile pollen grains. c. Double fertilization produces a diploid sporophyte and a triploid endosperm.

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Answers (1)

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Chaz · Answer 1

Double fertilization produces a diploid sporophyte and a triploid endosperm. (Ans. C)

Explanation:

Angiosperm are plants which is known for flowering plant on the earth. The flower is reproductive parts of the angiosperm plant. They are including 4 basic parts of the flower: Carpel, Stamens, Sepals and Petals.

During angiosperm plant reproduction, 2 structure are formed which are known as the Endosperm and a Zygote. Later a Zygote will grow and form a embryo and the endosperm is known for food source of plant embryo. Endosperm and Zygote forming process is known as double fertilization and it is a unique process found in angiosperms.

Steps involved in double fertilization are:

1) The pollen tube processing to release 2 sperm cells into an unfertilized ovule.

2) When one sperm cell fuses with the eggs to the formation of zygote and another sperm fuses with the 2 polar nuclei to the formation of endosperm this process is known as double fertilization.

3) After the completion of double fertilization, a fruit and seed develop.