The hilum is a scar on the from Biology Morphology of Flowering

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 Multiple Choice QuestionsMultiple Choice Questions

81.

When the margins of sepals or petals overlap one another without any particular direction, the condition is termed as

  • vexillary

  • imbricate

  • twisted

  • twisted

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82.

Cuscuta is an example of

  • ectoparasitism

  • brood parasitism

  • predation

  • predation

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83.  is the floral formula of
  • Allium

  • Sesbania

  • Petunia

  • Petunia

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84.

Keel is the characteristic feature of flower of

  • Tulip

  • Indigofera

  • Aloe

  • Aloe

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85.

Perigynous flowers are found in

  • guava

  • cucumber

  • China rose

  • China rose

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86.

Leaves become modified into spines in

  • Opuntia

  • pea

  • onion

  • onion

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87.

The hilum is a scar on the 

  • seed, where funicle was attached

  • fruit, where it was attached to pedicel

  • fruit, where style was present

  • fruit, where style was present

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88.

The hilum is a scar on the

  • seed, where funicle was attached

  • fruit, where it was attached to pedicel

  • fruit, where style was present

  • fruit, where style was present


A.

seed, where funicle was attached

The hilum is a scar(mark) on the seed, produced by separation from its funcile or placenta. The point of attachement of the body of the ovule (later which forms seed) with the funicle is known as hilum. 

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89.

Flowers are zygomorphic on 

  • Gulmohur

  • tomato

  • datura

  • datura

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90.

The ovary is half inferior in flowers of 

  • cucumber

  • cotton

  • guava

  • guava

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