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Parthenocarpic fruits are produced by...

Parthenocarpic fruits are produced by

A

Treating plants with phenyl mercuric acetate

B

Treating plants with low concentrations of gibberellic acid and auxin

C

Removing androecium of flowers before release of pollen grains

D

Raising plants from vernalised seeds.

Text Solution

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The correct Answer is:
B
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DINESH PUBLICATION ENGLISH-NO IDEA-Brain Teasers
  1. Parthenocarpic fruits are produced by

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  2. A structure present in the ovule as well as eggs of birds is

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  3. A plant in which fertilization occurs after the shedding of seed is

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  4. In ovule, exostome is

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  5. Group of specialized thickened nucellar cells between embryo sac and c...

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  6. Hypostase is meant for providing

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  7. A group of specialised nucellar cells between embryo sac and micropyle...

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  8. Sasa paniculata contains a large number of antipodal cells. The number...

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  9. Antipodal cells enlarge tremendously in (a) Sasa (b) Caltha (c) Ac...

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  10. Which one develops from funicle of base of ovule? (a) Sarcotesta (b) ...

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  11. Which one develops from exostome

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  12. In tenuinucellate ovules, the nucellus may break down. The nourishment...

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  13. Endothelium develops from (a) Nucellus (b) Nucellus surrounding embr...

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  14. Middle layers of pollen sac wall are absent in

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  15. Growth of pollen tube is

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  16. The apical growing region of pollen tube is called

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  17. Functional part of pollen tube is separated from the rest by

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  18. Pollen tube cytoplasm is like any other living cell in showing (a) Cal...

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  19. Male nucleus fuses with female nucleus during fertilization in Angiosp...

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  20. Which one is true of male gamete of angiosperms

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  21. Heterofertilization is

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