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

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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


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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


A.

Gamosepalous, polypetalous, syncarpous and superior ovary

Gamosepalous applies to the calyx when the sepals are way united. 

Polypetalous in a flower is corolla which consists of seperate petals.

Syncarpous is condition of a flower, fruit or ovary having the carpels united.

Superior ovary is an ovaryattached to the receptacle above the attachment of other floral parts. A superior ovary is found in types of fleshy fruits such as true berries, drupes, etc. A flower with this arrangement is described as hypogynous.


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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


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.


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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