Multiple Choice Questions

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Stem cuttings are commonly used for the proprogation of

  • banana

  • rose

  • mango

  • cotton


B.

rose

Stem cuttings are used in Citrus, Cocoa. Rooting of stem cuttings is hastened by dipping in NAA or IBA.

Grafting is usually done in case of mango.

Rhizomes take part in vegetative propogation due to presence of buds, eg, banana, ginger.


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Pappus is modified

  • calyx

  • corolla

  • bracts

  • gynoecium


Lady finger belongs to family

  • Malvaceae

  • Cucurbitaceae

  • Liliaceae

  • Brassiaceae


Botanical name of 'chana' is

  • Cicer arietinum

  • Phaseolus aureus

  • Lablab purpureus

  • Dolichos


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

  • cotyledons

  • endosperm

  • perianth and peduncle

  • fleshy thalamus


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Chicory powder which is mixed with coffee powder is obtained from

  • root

  • leaf

  • stem

  • seeds


Trimerous flower, superior ovary and axile placentation is characteristics of

  • Liliaceae

  • Cucurbitaceae

  • Solanaceae

  • Compositae


Which of the following is a true nut?

  • Walnut

  • Cashewnut

  • Groundnut

  • Pistachio


An obligate root parasite is

  • Rafflesia

  • Loranthus

  • Viscum

  • Striga


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Clinging roots are found in

  • orchids

  • Trapa

  • Podostemon

  • screwpine


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