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What is ploidy of nucellus,MMC,functional megaspore,female gametophyte?plz explain how?
list at least five flowers of ornamental value that are commonly cultivated at homes and garden.
judwa bacche kaise hote hai
is there a difference between pollen sac n microsporangia??
What are microsporogenesis and megasporogenesis?
WHAT IS THE FUNCTION OF GERM PORE
eg of chasmogamous and cleistogamous flowers
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?
Theca are separated by a longitudinal groove running lengthwise. explain please
What is the importance of apomixis and polyembryony? At least 4-5 points.....
why is aceto carmine used while performing mitosis experiment?
is sporogenous tissue and pollen mother cell the same thing ?please also explain microsporogenisis... i am confused...
Can you think of how tapetal cells could become bi-nucleate?
how many flowers are present on a tree?
is endosperm persistent in wheat,rice and maize?
what is polygonum type of embryo sac?? plzz xplain in details..
in which characters air pollinated flowers differ from insect pollinated ones ?
a) Due to small perianth & sticky pollen
b) Small coloured perianth & heavy pollen grains
c) Coloured perianth & large pollen grains
d) Without perianth & light pollen grains
Can you please explain the outbreeding devices of pollination?
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
name the cell that develops into embryo sac and explain how this cell leads to the formation of embryo sac
Why do you think the exine should be hard? What is the function of germ pore?
endosperm development precedes embryo development. why?
what does the conspicuous & inconspicuous flower means?
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 sporopollenin??
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?
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 ?
what are synergids and antipodal cells how are connected to each other?
what is difference between microspore and pollen grain?
Explain the terms "tenuinucellate" and "crassinucellate" ?
name the oldest seed that has germinated. where was it found?
What is the significance of double fertilisation?
draw the diagram of an angiospermic embryo sac where fertilisation is just completed.Label the following parts:
1)Micropylar end of the embryo-sac
2)The part that develops into an embryo
3)The part that develops into an endosperm
4) The degenerating cells at the chalazal end
May u plz tell...What are the examples of Geitonogamy and Xenogamy...???
how many ovaries are present in a typical flower?
how are cucurbita plants different from papaya plants with reference to the position of the flower they bear
What is the landing platform for the pollen grains?
labelled diagram of microsporogenesis n macrosporogenesis.
what are pollen or nectar robbers?
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.
name two plants each with (1)fleshy pericarp (2)dry pericarp.
Why do the integuments of an ovule harden and the water content highly reduced as the seed matures?
what is the function of pollen 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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