Morphology of Flowering Plants

Multiple Choice Questions

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Pappus is modified

  • calyx

  • corolla

  • bracts

  • gynoecium

A.

calyx

The pappus is the modifed calyx, the part of an individual floret that surrounds the base of the corolla tube in flower heads of the plant Asteraceae.  It basically functions as a parachute for the dispersal of- eg, Sonchus, Tagstes. Hence the mechanism is parachute mechanism.

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    Chicory powder which is mixed with coffee powder is obtained from

    • root

    • leaf

    • stem

    • seeds

    Answer

    Stem cuttings are commonly used for the proprogation of

    • banana

    • rose

    • mango

    • cotton

    Answer

    Botanical name of 'chana' is

    • Cicer arietinum

    • Phaseolus aureus

    • Lablab purpureus

    • Dolichos

    Answer

    Trimerous flower, superior ovary and axile placentation is characteristics of

    • Liliaceae

    • Cucurbitaceae

    • Solanaceae

    • Compositae

    Answer
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    Lady finger belongs to family

    • Malvaceae

    • Cucurbitaceae

    • Liliaceae

    • Brassiaceae

    Answer

    Which of the following is a true nut?

    • Walnut

    • Cashewnut

    • Groundnut

    • Pistachio

    Answer

    Edible part in 'sorosis', a composite fruit, is

    • cotyledons

    • endosperm

    • perianth and peduncle

    • fleshy thalamus

    Answer

    Clinging roots are found in

    • orchids

    • Trapa

    • Podostemon

    • screwpine

    Answer
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    An obligate root parasite is

    • Rafflesia

    • Loranthus

    • Viscum

    • Striga

    Answer
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