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Ovule of Opuntia is coiled and turn at...

Ovule of Opuntia is coiled and turn at more kthan `360^(@)` angle, is called

A

circinotropous

B

anatropous

C

amphitropous

D

non of these

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The correct Answer is:
A
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TRUEMAN BIOLOGY-SEXUAL REPRODUCTION IN FLOWERING PLANTS-MULTIPLE CHOICE QUESTIONS
  1. When ovule is straight with funiculus, embryo sac, chalaza and microp...

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  2. Internal fertilisation occurs

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  3. Ovule of Opuntia is coiled and turn at more kthan 360^(@) angle, i...

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  4. Female gametophyte (megagametophyte of aniosperms) is represented b...

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  5. The female gametophyte of a typical dicot (Polygonum) at the time of ...

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

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  7. Base of nucellus from which integument arises is

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  8. The megasporangium of the angiosperms on maturation gives rise to

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  9. Megasporophyll of Pinus is equivalent to angiospermic

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  10. What do you think is the correct sequence of the development of the e...

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  11. Embryo sac develops from megaspore mother cell through

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  12. The plant part which consists of two generations one within the other ...

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  13. Function of guiding and attracting pollen tube towards egg is done by

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  14. In flowering plants archesporium gives rise to

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  15. The number of chromosomes in leaf tip cell of plant is 6. The number ...

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  16. In angiosperms, a mature male gametophyte is formed from a pollen moth...

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  17. The filiform apparatus is present in

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  18. The haploid cell which divides by mitosis to form embryosac is

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  19. Which of the cells in the Polygonum type of embryo sac which degenera...

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  20. The number of cells in the Polygonum type of embryo sac which degener...

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