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Ovule is attached to the placenta by a s...

Ovule is attached to the placenta by a stalk known as

A

funicle

B

petiole

C

pedicel

D

hilum

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A
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Consider the following statements and choose the correct option (a) Ovule is attached to the placenta by means of a stalk called filament (b) Ovule fuses with the stalk in the region called hilum (c) The two protective envelopes of the ovule are called integuments (d) The small opening in the tip of ovule is called germ pore

A typical angiospermous ovule is attached to the placenta by means of a stalk called X. Body of the ovule fuses with X in the region called Y. Identify X and Y.

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AAKASH SERIES-SEXUAL REPRODUCTION IN FLOWERING PLANTS -EXERCISE - I (Megasporophyll, Ovule, Female gametophyte)
  1. Ovule is attached to the placenta by a stalk known as

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  2. Ovule is curved and the embryo sac is horse-shoe shaped. Micropyle, ch...

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  3. When ovule is straight with funiculus, embryo sac, chalaza and microp...

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  4. An ovule which becomes curved so that the nucellus and embryo sac lie ...

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  5. Ovule is inverted (resupinates at 180^(@)) with body fused to funicle,...

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  6. Ovule of Opuntia is coiled and turn at more than 360^(@) angle, is ...

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  7. Micropyle is found in

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  8. Micropyle in the ovule is formed by

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  9. Embryo sac is monosporic when it develops from

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  10. Number of chromosomes in nucellus is 24. Number of chromosomes in micr...

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  11. Which of the following is haploid ?

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  12. Filliform apparatus is characteristic of

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  13. In an ovule,the seat of many biochemical reactions is

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  14. Which of the following cell of embryo sac is first haploid, later dipl...

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  15. Embryo sac represents

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  16. Anthesis is a phenomenon which refers to

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  17. What does the filiform apparatus do at the entrance into ovule?

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  18. An ovule which becomes curved so that the nucellus and embryo sac lie ...

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  19. The functional megaspore develops after three successive mitotic divis...

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  20. Chiropterophily means

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