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sexual reproduction in flowering plants

In English

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sakhi rathore

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asexual reproduction is also called as

self fertilization

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sexual reproduction in flowering plants - Details



52 questions
Xenia refers to
Effect of pollen on endosperm
Double fertilization involves
Fertilization of egg and the central cell by two sperms brought by the same pollen tube
Apomixis is
Formation of seeds with syngamy but no meiosis
Geitonogamy involves
Fertilization of a flower by the pollen from another flower of the same plant
Sporopollenin can withstand
High temperature as well as strong acids and alkalis
Which of the following occurs in an angiosperm ovule
A megaspore mother cell undergoes meiosis
Tapetum is
Parietal in origin usually the inner most layer of anther wall
Essential whorls of a flowers
Androecium and gynoecium
Crassinucellate ovule shows
Well developed nucellus
All of the following are features of angiosperms
In straight line with funiculum at 45 degree with funiculum at right angles with funiculum
Which of the following is the correct sequence of events in a pollen sac
Microsporocyte-meiosis- microspores- mitosis- two haploid cells per pollen grain
What is the cause of long dormancy in seeds
Impermiable seed coat, presence of ABA/ferulic acid and undeveloped embryo
Unisexuality of flowers prevents
Autogamy, but not geitonogamy