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What is ploidy of nucellus,MMC,functional megaspore,female gametophyte?plz explain how?
endosperm development precedes embryo development. why?
judwa bacche kaise hote hai
Why do you think the exine should be hard? What is the function of germ pore?
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 ?
what are pollen or nectar robbers?
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 the function of pollen vegetative cell??
What is the importance of apomixis and polyembryony? At least 4-5 points.....
list at least five flowers of ornamental value that are commonly cultivated at homes and garden.
why is aceto carmine used while performing mitosis experiment?
what is the importance of the megaspore mother cell(MMC) undergoing meiosis?
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..
Why do the integuments of an ovule harden and the water content highly reduced as the seed matures?
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 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?
how could the tapetal cells become bi-nucleate?
name the cell that develops into embryo sac and explain how this cell leads to the formation of embryo sac
what would be the genetic nature of apomictic embryos?can they be called clones?
which type of pollination takes place in water hyacinth and water lilly?
describe the stages in embryo development in dicot plant
explain the meaning of line..
since reproductive processes such as pollination and fertilization are independent of water seed formation is more dependable..
2. Embryo sac is to ovule as _______ is to an anther.a. Stamenb. Filamentc. Pollen graind. Androecium
Differenciate between the two cells enclosed in a mature male gametophyte of an angiosperm.
example for anatropous ovule and atropous ovule
Describe the characters of Anemophilous and Entomophilous flowers. (atleast 3 characters each with example.)
Theca are separated by a longitudinal groove running lengthwise. explain please
what is the function of filiform apparatus?
WHAT IS THE PLOIDY LEVEL OF SYNERGIDS , ANTIPODAL CELLS AND EGG CELLS ??
what is sporopollenin??
is there is any relationship between number of ovule in the ovary and the number of seed present in the fruit??????????????
What is gootee
what is the function of germ pore?
how many ovaries are present in a typical flower?
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?
how many equational divisions are necessary in a cell of onion root tip to form 128 cells ? 1)64 2)128 3)7 4)127 Explain with details plzzz its urgent
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...???
Draw a diagram of male gametophyte of an angiosperm. Label any four parts. Why is sporopollenin considered the most resistant material.
labelled diagram of microsporogenesis n macrosporogenesis.
incompatibility is a natural barrier in the fusion of gametes .justify the statement.
How many germ pores are present in the pollen grain of monocots and dicots?
what is floral rewards?
1.How many pollen grains will be produced in a flower of mustard plant having 10 microspore mother cells in each microsporangium? (PLEASE EXPLAIN)
(a) 240 (b) 960 (c) 1920 (c) 480
what is the difference between microsporangia, microsporangium & megasporangia, megasporangium?
what are pollen banks
explain any two devices by which autogamy is preventd in flowering plants
What is the landing platform for the pollen grains?
give examples of complete,perfect,imperfect ,incomplete flower
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