The characteristic that does not belong to perigynous flowers is

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 Multiple Choice QuestionsMultiple Choice Questions

181.

Among bitter gourd, mustard, brinjal, pumpkin, China rose, lupin, cucumber, sunnhemp, gram, guava, bean, chilli, plum, Petunia, tomato, rose, Withania, potato, onion, aloe and tulip, how many plants have hypogynous flower?

  • Six

  • Ten

  • Fifteen

  • Eighteen


182.

In China rose the flowers are

  • actinomorphic, hypogynous with twisted aestivation

  • actinomorphic, epigynous with valvate aestivation

  • zygomorphic, hypogynous with imbricate aestivation

  • zygomorphic, epigynous with twisted aestivation


183.

In apple, the edible portion is

  • mesocarp

  • epicarp

  • endocarp

  • thalamus


184.

The partial floral formula of a flower is K(5)C5A()G(5).

Which of the following set of information is conveyed here?

  • Gamosepalous, polypetalous, syncarpous and superior ovary

  • Polysepalous, polypetalous, syncarpous and inferior ovary

  • Gamosepalous, gamopetalous, polycarpous and superior ovary

  • Gamosepalous, polypetalous, syncarpous and inferior ovary


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185.

Grittiness of pear fruit is caused by

  • sclereides

  • raphides

  • collenchyma

  • dead parenchyma cells


186.

Banana is an example of

  • parthenocarpy

  • apomixis

  • parthenogenesis

  • polyembryony


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187.

The characteristic that does not belong to perigynous flowers is

  • Thalamus is disc shaped, cup or flask shaped

  • Ovary is superior, other parts are inferior

  • Thalamus is hollowed out and is fused with ovary wall

  • Androperianth is borne around or above the level of ovary.


C.

Thalamus is hollowed out and is fused with ovary wall

In perigynous flowers, thalamus is free from ovary wall. Periphery of the thalamus is expanded to form hypanthium (i.e. it is not hollowed out).


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188.

The infloresence in Mimosa pudica is

  • Umbel

  • Spike

  • Corymb

  • glabose head


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189.

The Floral formula of tobacco is

  • Br+OK(5) C(5) A5 G(2)

  • +OK6 - 5 A10 G(2)

  • Br+OK2 + 2 C4 A2 + 4 G1(d)

  • +OP2 A3 G1


190.

Select the mismatch.

  • Tomato - Axile placentation

  • Sunflower - Free central placentation

  • Pea - Marginal placentation

  • Poppy - Parietal placentation


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