Stem cuttings are commonly used for the proprogation of from Bio

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 Multiple Choice QuestionsMultiple Choice Questions

71.

Chicory powder which is mixed with coffee powder is obtained from

  • root

  • leaf

  • stem

  • seeds


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72.

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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73.

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

  • cotyledons

  • endosperm

  • perianth and peduncle

  • fleshy thalamus


74.

Which of the following is a true nut?

  • Walnut

  • Cashewnut

  • Groundnut

  • Pistachio


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75.

Botanical name of 'chana' is

  • Cicer arietinum

  • Phaseolus aureus

  • Lablab purpureus

  • Dolichos


76.

An obligate root parasite is

  • Rafflesia

  • Loranthus

  • Viscum

  • Striga


77.

Lady finger belongs to family

  • Malvaceae

  • Cucurbitaceae

  • Liliaceae

  • Brassiaceae


78.

Pappus is modified

  • calyx

  • corolla

  • bracts

  • gynoecium


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79.

Trimerous flower, superior ovary and axile placentation is characteristics of

  • Liliaceae

  • Cucurbitaceae

  • Solanaceae

  • Compositae


80.

Clinging roots are found in

  • orchids

  • Trapa

  • Podostemon

  • screwpine


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