Clinging roots are found in from Biology Morphology of Flowering

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 Multiple Choice QuestionsMultiple Choice Questions

131.

Lady finger belongs to family

  • Malvaceae

  • Cucurbitaceae

  • Liliaceae

  • Brassiaceae


132.

Pappus is modified

  • calyx

  • corolla

  • bracts

  • gynoecium


133.

Trimerous flower, superior ovary and axile placentation is characteristics of

  • Liliaceae

  • Cucurbitaceae

  • Solanaceae

  • Compositae


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134.

Clinging roots are found in

  • orchids

  • Trapa

  • Podostemon

  • screwpine


A.

orchids

Clinging roots are found in orchids. They grow as epiphytes upon the trunks or branches of trees. They hang freely in the air and absorb atmospheric moisture using velaman (modification of epidermis).


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135.

Expanded green stem of Opuntia is called

  • phylloclade

  • tendril

  • bulb

  • cladode


136.

Most of the economically important fibre yielding plants belong to family

  • Malvaceae

  • Solanaceae

  • Cruciferae

  • Paceae


137.

Ginger is an underground stem. It is distinguished from root because

  • it lacks chlorophyll

  • it stores food

  • it has nodes and internodes

  • it has xylem and vessels


138.

Floral formula of k5 CA5+5 G1 is characteristic of the family

  • Papilionaceae

  • Caesalpinoideae

  • Cruciferae

  • Mimosoideae


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139.

The number of female flowers found in a cyanthium is

  • one

  • three

  • two

  • many


140.

In turnip, 2/3 part of swollen area is derived from

  • hypophysis

  • hypocotyl

  • epicotyl 

  •  radicle


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