Multiple Choice Questions

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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


D.

Phellogen, phellem, phelloderm and Secondary phloem

All the dead cells lying outside the phellogen constitute the bark of the plant. It may include epidermis, cork, hypodermis and even part of cortex depending upon the position of the origin of cork cambium or phellogen.


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Catkin inflorescence is found in

  • Wheat

  • Oat

  • Mulberry

  • Fig


Coffee and quinine are obtained from the

  • Leguminosae

  • Asteraceae

  • Rubiaceae

  • Poaceae


In leaves of Ce plants, malic acid synthesis during CO2 fixation occurs in

  • Bundle sheath

  • Mesophyll

  • Epidermis

  • Guard cells


Membrane is absent in

  • Nucleus

  • Nucleolus

  • Vacuole

  • Lysosome


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Epigynous flowers are present in

  • Mustad

  • Brinjal

  • China rose

  • Cucumber


Light reaction in stroma lamellae of the chloroplast results in the formation of

  • NADPH

  • ATP + NADPH

  • ATP K

  • O2


In Dianthus, placentation is

  • Basal

  • Free central

  • Axile

  • Marginal


The term 'keel' is used for special type of

  • Sepals

  • Petals

  • Stamenstellen

  • Carpels


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Kranz anatomy can be obseved in leaves of

  • Sorghum

  • Spinach

  • Mustrad

  • Tulip