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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?
Name the 2 cells present in mature pollen grain.
WHAT IS THE FUNCTION OF GERM PORE
eg of chasmogamous and cleistogamous flowers
name 5 flowers that are used in social and cultural celebrations
what is the ploidy of nucellus , megaspore mother cell , the functional megaspore and female gametophyte ?
what are pollen banks
how do tapetal cells become binucleate/multinucleate?
What would be the ploidy of the cells of tetrad?
What is the importance of apomixis and polyembryony? At least 4-5 points.....
why is aceto carmine used while performing mitosis experiment?
what is sporopollenin??
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..
"It also requires synchrony in the pollen release and stigma receptivity" Din't quite understand the line. So if some one could expplain...!?
Can you please explain the outbreeding devices of pollination?
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 ?
why the exine should be hard and what is the function of germ pore?
What is emasculation ? When and Why plant breeders employ this technique ?
how could the tapetal cells become bi-nucleate?
what would be the genetic nature of apomictic embryos?can they be called clones?
describe the stages in embryo development in dicot plant
is sporogenous tissue and pollen mother cell the same thing ?please also explain microsporogenisis... i am confused...
Why do you think the exine should be hard? What is the function of germ pore?
endosperm development precedes embryo development. why?
example for anatropous ovule and atropous ovule
Describe the characters of Anemophilous and Entomophilous flowers. (atleast 3 characters each with example.)
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?
what is the function of filiform apparatus?
WHAT IS THE PLOIDY LEVEL OF SYNERGIDS , ANTIPODAL CELLS AND EGG CELLS ??
to produce 500 pollen grains,how many microspore mother cells r required???? plz explain....
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?
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?
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
wht is microspore tetrad ?
what are synergids and antipodal cells how are connected to each other?
what is difference between microspore and pollen grain?
what does the conspicuous & inconspicuous flower means?
Explain the terms "tenuinucellate" and "crassinucellate" ?
what is the other name of pollen grain?
What is the significance of double fertilisation?
May u plz tell...What are the examples of Geitonogamy and Xenogamy...???
what is a meiocyte?
give an example of heterogamous female?
who first proposed the semi conservative nature of dna?
incompatibility is a natural barrier in the fusion of gametes .justify the statement.
is tomato a false fruit? why?
labelled diagram of microsporogenesis n macrosporogenesis.
what is the function of pollen vegetative cell??
How many germ pores are present in the pollen grain of monocots and dicots?
is there a difference between pollen sac n microsporangia??
what is the importance of the megaspore mother cell(MMC) undergoing meiosis?
what is the difference between microsporangia, microsporangium & megasporangia, megasporangium?
what are pollen or nectar robbers?
Why do the integuments of an ovule harden and the water content highly reduced as the seed matures?
give the technical term for the types of pollination which ensures genetic recombination ?
what techinal term is given to the single cotyledon in the plants of grass family ?
how is pollination affected in zostera ?
explain any two devices by which autogamy is preventd in flowering plants
Give the other name of pollen sac
give examples of complete,perfect,imperfect ,incomplete flower
how many flowers are present on a tree?
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