is the floral formula of from Biology Morphology of Flowering

Previous Year Papers

Download Solved Question Papers Free for Offline Practice and view Solutions Online.

Test Series

Take Zigya Full and Sectional Test Series. Time it out for real assessment and get your results instantly.

Test Yourself

Practice and master your preparation for a specific topic or chapter. Check you scores at the end of the test.
Advertisement

 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

459 Views

82.

Cuscuta is an example of

  • ectoparasitism

  • brood parasitism

  • predation

  • predation

820 Views

Advertisement

83.  is the floral formula of
  • Allium

  • Sesbania

  • Petunia

  • Petunia


C.

Petunia

Floral formula is of Solanaceae family, i.e. of Petunia, while Brassica is form Brassicaceae whereas, Allium belongs to Liliaceae and Sesbania is from Fabaceae family.
As characteristic features of Solanaceae are
(i) Inflorescence - Cymose
(ii) Flower - Ebracteate, actinomorphic, bisexual, pedicellate. 
(iii) Calyx - Sepals 5, gamosepalous, valvate aestivation. 
(iv) Corolla - Petals 5, twisted or valvate aestivation
(v) Androecium - Stamens 5, epipetalous. 
(vi) Gynoecium - Bicarpellary, syncarpous, axile placentation, superior ovary and bilocular, which is represented as floral formula.

634 Views

Advertisement
84.

Keel is the characteristic feature of flower of

  • Tulip

  • Indigofera

  • Aloe

  • Aloe

1888 Views

Advertisement
85.

Perigynous flowers are found in

  • guava

  • cucumber

  • China rose

  • China rose

1273 Views

86.

Leaves become modified into spines in

  • Opuntia

  • pea

  • onion

  • onion

679 Views

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

707 Views

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

1396 Views

Advertisement
89.

Flowers are zygomorphic on 

  • Gulmohur

  • tomato

  • datura

  • datura

297 Views

90.

The ovary is half inferior in flowers of 

  • cucumber

  • cotton

  • guava

  • guava

351 Views

Advertisement