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What is ploidy of nucellus,MMC,functional megaspore,female gametophyte?plz explain how?
Theca are separated by a longitudinal groove running lengthwise. explain please
judwa bacche kaise hote hai
list at least five flowers of ornamental value that are commonly cultivated at homes and garden.
What are microsporogenesis and megasporogenesis?
WHAT IS THE FUNCTION OF GERM PORE
eg of chasmogamous and cleistogamous flowers
what are pollen banks
what is the ploidy of nucellus , megaspore mother cell , the functional megaspore and female gametophyte ?
name 5 flowers that are used in social and cultural celebrations
how do tapetal cells become binucleate/multinucleate?
What would be the ploidy of the cells of tetrad?
what is sporopollenin??
What is the importance of apomixis and polyembryony? At least 4-5 points.....
why is aceto carmine used while performing mitosis experiment?
Can you think of how tapetal cells could become bi-nucleate?
is endosperm persistent in wheat,rice and maize?
what is polygonum type of embryo sac?? plzz xplain in details..
Name the 2 cells present in mature pollen grain.
Can you please explain the outbreeding devices of pollination?
why the exine should be hard and what is the function of germ pore?
to produce 500 pollen grains,how many microspore mother cells r required???? plz explain....
What is emasculation ? When and Why plant breeders employ this technique ?
how could the tapetal cells become bi-nucleate?
"It also requires synchrony in the pollen release and stigma receptivity" Din't quite understand the line. So if some one could expplain...!?
what would be the genetic nature of apomictic embryos?can they be called clones?
why are most or should i say all anthers bilobed and dithecous ? what kind of importance this kind of structure offer ? is it to promote more number of pollen grains,better dehiscence technique or some other reasons ?
describe the stages in embryo development in dicot plant
how many embryo sacs are present in an ovule?how many ovules are present in an ovary?how many ovaries are presnt in a typical flower?
Why do you think the exine should be hard? What is the function of germ pore?
is sporogenous tissue and pollen mother cell the same thing ?please also explain microsporogenisis... i am confused...
endosperm development precedes embryo development. why?
Q- In the embryos of a typical dicot and a grass, true homologous structuresare:a. Coleorhiza and coleoptileb. Coleoptile and scutellumc. Cotyledons and scutellumd. Hypocotyl and radicle
example for anatropous ovule and atropous ovule
Describe the characters of Anemophilous and Entomophilous flowers. (atleast 3 characters each with example.)
what is the function of filiform apparatus?
WHAT IS THE PLOIDY LEVEL OF SYNERGIDS , ANTIPODAL CELLS AND EGG CELLS ??
is there is any relationship between number of ovule in the ovary and the number of seed present in the fruit??????????????
what is the function of germ pore?
what is the function of pollen vegetative cell??
what does the conspicuous & inconspicuous flower means?
Give 2 differences between perisperm and endosperm with examples.
How it is possible in oxalis and viola plants to produce assured seed sets even in the absence of pollinators?
wht is microspore tetrad ?
Give the other name of pollen sac
what are synergids and antipodal cells how are connected to each other?
what is a meiocyte?
give an example of heterogamous female?
who first proposed the semi conservative nature of dna?
what is difference between microspore and pollen grain?
is tomato a false fruit? why?
Explain the terms "tenuinucellate" and "crassinucellate" ?
What is the significance of double fertilisation?
is pollen mother cell and microspore mother the same??
May u plz tell...What are the examples of Geitonogamy and Xenogamy...???
thalamus is a modified stem. Please. Explain. This also
what are pollen or nectar robbers?
labelled diagram of microsporogenesis n macrosporogenesis.
How many germ pores are present in the pollen grain of monocots and dicots?
what is the importance of the megaspore mother cell(MMC) undergoing meiosis?
what is the difference between microsporangia, microsporangium & megasporangia, megasporangium?
incompatibility is a natural barrier in the fusion of gametes .justify the statement.
Why do the integuments of an ovule harden and the water content highly reduced as the seed matures?
why does the generative cell floats in the cytoplasm of the vegetative cell?
explain any two devices by which autogamy is preventd in flowering plants
give examples of complete,perfect,imperfect ,incomplete flower
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