Double fertilisation involves...

Double fertilisation involves

Fertilization of the egg by two male gametes

Fertilization of two eggs in the same embryosac by two sperms brought by one pollen tube

Fertilization of the egg and the central cell by two sperms brought by different pollen tubes

Fertilization of the egg and the central cell by two sperms brought by the same pollen tube

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Fill in the blanks (i) Double fertilzation involves ______________and _____________ (ii) The most commont type of endosperm in angiosperms is ____________ (iii) Perispermic seeds have persistent ______________

Assertion : In angiosperms, endosperm development precedes embryo development. Reason : Double fertilisation ensures that the nutritive tissue is formed before the zygotes starts cleaving so that the energy spent on the formation of endosperm does not get wasted.

The total number of nuclei involved in double fertilisation in angiosperms are

Double fertilisation in an angiospermous plant means

Endosperm, a product of double fertilisation in angiosperm is absent in the seeds of

Double fertilisation was first discovered in 1898 by_________in Fritillaria and Lilium

Assertion . Female gametophyte in angiosperm is eight nucleate . Reason. Double fertilisation occurs in angiosperm .

In double fertilisation, one male gamete fuses with the (i) to form zygote and the other male gamete fuses with (ii) to form primary endosperm nucleus.

Which one of the following events takes place after double fertilisation ?

ALLEN-REPRODUCTION IN ORGANISMS AND SEXUAL REPRODUCTION IN FLOWERING PLANTS-EXERCISE-III (B) (ANALYTICAL QUESTION )

If the nucellus cell of an Angiosperm contains 24 chromosomes the numb...
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In Angiosperm, if haploid number of chromosome is 12 then what will be...
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How many meiotic divisions are required for the formation of 200 seed...
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In Angiosperm, if number of chromosomes in endosperm is 30, what will ...
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How many meiotic division are required to form 100 zygotes in family C...
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How many meiotic divisions are necessary for formation of 100 function...
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The seeds of which type of plant have no dormancy
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Cotyledons absent in seed of
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The viability of seeds can be ascertained with the help of
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Ornithophily takes place in :
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Anemophily type of pollination is found in
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In grasses what happens in micro spore mother cell for the formation o...
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In a flowering plant, archesporium gives rise to
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A diploid female plant and a tetraploid male plant are crossed. The pl...
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Parthenogenesis occurs in
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Anther culture yields some haploid and diploid plants. Diploid plants ...
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Double fertilization is essential for formation of
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In which one pair, both the plants can be vegetatively propagated by l...
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In a type of apomixids known as adventive embryony embryos develop dir...
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Double fertilisation involves
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