HARD
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The given flow chart shows the reproductive structure & events of a gymnospermic plant. Identify the structure/events those are blank.


(a)
A | B | C | D | E |
Male cone | Micro-sporangia | Meiosis | Archeg-onia | Anthero-zoids |
(b)
A | B | C | D | E |
Sori | Micro-sporangia | Meiosis | Antherzoids | Archegonia |
(c)
A | B | C | D | E |
Male cone | Mega-sporangia | Meiosis | Male gametes | Archegonia |
(d)
A | B | C | D | E |
Sori | Mega-sporangia | Mitosis | Male gametes | Egg cell |

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Important Questions on Sexual Reproduction in Flowering Plants
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A) Meiosis has to occur if a diploid body has to produce gametes
B) In Cladophora it is not possible to categorise the male and female gametes
C) Organisms exhibiting external fertilization show greater synchrony between sexes
D) In Wolffia isogametes can be seen

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Column – I | Column – II | ||
a. | Proliferative Phase | i. | Breakdown of an endometrial lining. |
b. | Secretory Phase | ii. | Follicular Phase |
c. | Menstruation | iii. | Luteal Phase |

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Match the following:
List - I | List - II | ||
Isogamy | Vorticella | ||
Anisogamy | Plasmodium | ||
Hologamy | Monocystis | ||
Conjugation | Amoeba | ||
Trichonympha |
The correct match is

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Reason (R): Zygote is the product of two gametes and producer of next generation

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Match the column
Column I | Column II | ||
(a) | Helobial | (i) | Cucurbita |
(b) | Hypophysis | (ii) | Areca |
(c) | Ruminate endosperm | (iii) | Removal of anther from floral bud |
(d) | Emasculation | (iv) |
Radicle |
(e ) | Mesogamy | (v) | Asphodelus |

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plants :-

