Xenogamy is...

Xenogamy is

Pollination between two flowers of two different plants

Pollination between two different flowers of same plant and same branch

Pollination between anther and stigma of same flower

A mechanism of parthenocarpy

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Male and femal flowers are present on different plants (dioecious) to ensure xenogamy, in

Differentiate between : (a) Xenogamy and Geitonogamy (b) Oviparous and Viviparous organisms (c) Parthenogenesis and Parthenocarpy

Assertion : Cross pollination in true genetic sense within species is called xenogamy . Reason : When there is cross pollination , resultant hybrids is a combination of characters of two plants.

Assertion : Cross pollination in true genetic sense within species is called xenogamy. Reason: When there is cross pollination, resultant hybrid is a combination of characters of two plants.

Match the entires in column I with those of Column II and choose the correct answer {:(,"Column I",,"Column II"),("A","Cleistogamy",,"m. Insect pollination"),("B","Geitonogamy",,"n. Bud pollination"),("C","Entomophily",,"O. Pollination between flowers in the same plant"),("D","Xenogamy",,"p. Wind pollination"),(,,,"q. Cross pollination"):}

Match column I with column II and select the correct option from codes given below {:(,"Column I",,"Column II"),("A.","Cleistogamy","(i)","Insect pollination"),("B.","Geitonogamy","(ii)","Bud pollination"),("C.","Entomophily","(iii)","Pollinatin between flowers in the same plant"),("D.","Xenogamy","(iv)","Wind pollination"),(,,"(v)","Cross pollination"):}

Read the following statements, state true (T) or false (F) for them and select the correct option. (a) Cleistogamous flowers prevent geitonogamy as well as xenogamy. (b) Double fertilisation occurs in all spermatophytes. (c) In pea family, the single cotyledon is called scutellum. (d) Seeds of castor and coconut retain a part of endosperm during embryo development.

PHYSICS WALLAH-SEXUAL REPRODUCTION IN FLOWERING PLANTS-LEVEL-2

Main function of endothecium (in anther) is :-
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Parthenium or carrot grass has become ubiquitous in occurrence and cau...
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Dichogamy which helps in cross pollination is a floral mechanism in wh...
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Xenogamy is
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The correct match of the following is:
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Consider the following statements and choose the ones that represents ...
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Insect pollinated flowers usually possess:
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Despite high level of heterozygosity, the progeny derived from a seed ...
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The parenchyma tissue which forms the bulk of ovule where the sporogen...
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Angiosperm double fertilization is so-called because it features the f...
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A researcher has developed two stains for use with seed plants. One st...
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Find the odd one wrt synergid
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Chasmogamous and cleistogamous type of flowers are found in:
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Haploid, diploid and triploid conditions respectively can be traced in...
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Advantage of cleistogamy is
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In Angiosperm, if number of chromosomes in endosperm is 30, what will ...
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Seed is not morphologically equivalent to spore because
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In non edospermic seed or ex-albuminous seed
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The correct match of the following is :
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Which statement is false ?
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