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In which of the following kinds of ovule...

In which of the following kinds of ovules , the embryo sac is horse - shoe shaped ?

A

Hemitropous ovules

B

Orthotropous ovules

C

Amphitropous ovules

D

Circinotropous ovules

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Verified by Experts

The correct Answer is:
C
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USHA PUBLICATION-SEXUAL REPRODUCTION IN FLOWERING PLANTS-EXERCISE
  1. Which of the following statements about Sporopollenin is false ?

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  2. A dilcotyledonous embryo consists of

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  3. In which of the following kinds of ovules , the embryo sac is horse - ...

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  4. Apomictic embryos in Citrus arise from :

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  5. Wind pollinated flowers are :

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  6. When pollens are transferred from anther of a flower to stigma of anot...

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  7. Which of the following is pollinated by water ?

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  8. In a bisexual flower , if androecium and gynoecium mature at different...

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  9. Natural parthenogenesis occurs in

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  10. Common between vegetative reproduction and apomixis is

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  11. Fusion of dissimilar gametes is

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  12. The development of sporophyte from gametophytic tissue without fusion ...

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  13. Bacteria , fungi and lower plants survive during adverse conditions by

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  14. Which one is common to multicellular fungi , filamentous algae and pro...

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  15. What would be the number of chromosomes of the aleurone cells of a pla...

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  16. Ovule is attached to placenta of ovary wall by :

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  17. Which of the following statements is wrong ?

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  18. The nectar is produced in the flowers which are pollinated by :

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  19. In a flowering plant , the pollen tube first arrives in

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  20. An organic substance that can withstand environ mental extremes and ca...

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