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What is Anatropous ovule example?

Important Questions on How do Organisms Reproduce

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The ovule of an angiosperm is technically equivalent to
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_____ is the region on which, the ovule is connected to funicle.
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Draw a well-labelled diagram of an angiospermic ovule showing porogamous type of pollen germination.
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Describe the structure of the anatropous ovule with a diagram.
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Match column-I with column-II and select the correct option.

Column-I Column-II
a) Megasporangium i) Accessory cells
b) Inner integument ii) Embryo sac
c) Antipodal iii) Ovule
d) Female gametophyte iv) Tegmen
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In ovules, a single megaspore mother cell

(a) Is generally differentiated in the micropylar region

(b) Is derived from integument

(c) Contains dense cytoplasm and prominent nucleus

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Collar like outgrowth arising from the base of ovule and forming a sort of third integument is known as
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Megasporangium along with its protective integuments is called
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Study the following table and choose the correct option.

 

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  Column-I   Column- II
(A) Funiculus (1) Hilum
(B) Scar of ovule (2) Tegmen
(C) Zygote (3) Testa
(D) Inner integument (4) Stalk of seed
    (5) Embryo
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Identify the parts labelled A, B, C and D in the given figure and select the correct option.
Question Image
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The ovule that turns at more than 360° angle, so that funicle becomes coiled around the ovule, is found in
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Match the columns, and select the correct option.

Column – I Column – II
(a) Hilum (i) Parenchymatous tissue
(b) Micropyle (ii) Female gametophyte
(c) Embryo sac (iii) Junction between ovules and funicles
(d) Nucellus (iv) Small opening present at the tip of the ovule
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Generally number of integuments in the ovule of angiosperms and gymnosperms is
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Starting from the innermost part, the correct sequence of parts in an ovule are 
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With a neat, labelled diagram, describe the parts of a typical angiosperm ovule?
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Embryo sac is to ovule as ........... is to an anther.
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Ovule with funiculus lying close to micropyle is known as
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From among the sets of terms given below, identify those that are associated with the gynoecium.
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Select the incorrect statement with respect to Polygonum type embryo sac.