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कर्नाटक बोर्ड पी.यू.सी.पीयूसी विज्ञान 2nd PUC Class 12

What is apomixis?

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प्रश्न

What is apomixis?

लघु उत्तर
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उत्तर

Although seeds are generally the product of fertilisation, a few flowering plants, such as some species of Asteraceae and grasses, have evolved a special mechanism to produce seeds without fertilisation called apomixis.

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पाठ 1: Sexual Reproduction in Flowering Plants - EXERCISES [पृष्ठ २५]

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एनसीईआरटी Biology [English] Class 12
पाठ 1 Sexual Reproduction in Flowering Plants
EXERCISES | Q 18. a. | पृष्ठ २५
नूतन Biology [English] Class 12 ISC
पाठ 1 Sexual Reproduction in Flowering Plants
NCERT EXERCISES | Q 18. i. | पृष्ठ ६८

संबंधित प्रश्‍न

Explain various categories of apomixis.


Identify the CORRECT statements with respect to non-recurrent apomixis.

i. Plants produced by this method are generally sterile and do not reproduce sexually.

ii. In this, megaspore mother cell undergoes usual meiotic division and a haploid embryo sac is formed.


______ refers to the formation of seeds without fertilization.


Identify the CORRECT term which describes the following condition.

In some plants, the female gamete develops into embryo without fertilization.


Adventive embryony can be observed in ______.


The phenomenon observed in some plants wherein parts of the sexual apparatus are used for forming embryos without fertilization is called ______.


Are pollination and fertilization necessary in apomixis? Give reasons.


Are parthenocarpy and apomixis different phenomena? Discuss their benefits.


Assertion: Apomictic embryos are genetically identical to the parent plant.

Reason: Apomixis is the production of seeds without fertilization.


Apospory is the direct formation of ______.


Give significance of apomixis.


What is Apomixis?


Who coined the term Apomixis?


What is the key bypass in Apomixis?


Why is Adventive Embryony also called Sporophytic Budding?


Adventive embryos developing alongside the normal zygotic embryo give rise to what?


Which is an example of non-recurrent apomixis?


Which statement expresses the role of Apomixis in crop improvement?


Non-recurrent apomixis is useful in which studies?


What is Apogamy?


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