Multiple Choice Questions

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Meristematic tissue in vascular bundle is

  • phellem

  • procambium

  • interfascicular cambium

  • fascicular cambium


D.

fascicular cambium

The cambium present between the xylem and phloem of vascular bundle  is called vascular cambium. It is a lateral meristem that gives rise to secondary xylem and phloem and occurs in the form of a thin strip. Vascular cambium is also called fascicular cambium.


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Kranz anatomy can be obseved in leaves of

  • Sorghum

  • Spinach

  • Mustrad

  • Tulip


Quiescent centre is the zone of

  • least mitotic activity in the root apex

  • least mitotic activity in the shoot apex

  • maximum mitotic activity in the root apex

  • maximum mitotic activity in the shoot apex


Ectophloic siphonostele is found in

  • Adiantum and Cucurbitaceae

  • Osmunda and Equisetum

  • Marsilea and Botrychium

  • Dicksonia and maiden hair fem


Angular collenchyma occurs in

  • Salvia

  • Helianthus

  • Althaea

  • Cucurbita


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The term 'bark' refers to

  • Phellem, phelloderm and vascular cambium

  • Periderm and secondary xylem

  • Cork cambium and cork

  • Phellogen, phellem, phelloderm and Secondary phloem


First vascular plant is

  • Thallophyta

  • Pteridophyta

  • Bryophyta

  • Spermatophyta


Secondary xylem and phloem in dicot stem are produced by

  • Apical meristems

  • Vascular cambium

  • Axillary meristems

  • Phellogen


What differentiates leaf of dicots from monocots?

  • Parallel venation

  • Differentiation of palisade and spongy parenchyma

  • Stomata only on upper side

  • Stomata both on upper and lower sides


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Duramen is present in

  • inner region of secondary wood

  • part of sap wood

  • outer region of secondary wood

  • region of pericycle


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