Multiple Choice Questions

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Storage leaves occur in

  • Allium

  • Zizyphus

  • Triticum

  • Trapa


A.

Allium

One of the characteristic prominent features of Allium leaves are that they are fleshy. This is owing to the storage of water and food materials inside the leaves which makes them extensively fleshy. It is because of their characteristic nature of storing water and food that they are called storage leaves.


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During photosynthesis

  • both CO2 and water get oxidized

  • both CO2 and water get reduced

  • water is reduced and CO2 is oxidized

  • CO2 gets reduced and water gets oxidized


The order of occurrence of the cytochromes in the F1 particle is

  • cyt-b, cyt-c, cyt-a-cyt a3

  • cyt-c, cyt-b, cyt-a-cyt a3

  • cyt-a, cyt-b, cyt-c-cyt a3

  • cyt-a3, cyt-a, cyt-c-cyt b


Tube-within-a-tube body plan is shown by

  • coelenterates

  • platyhelminthes

  • aschelminthes (nemathelminthes)

  • porifers


True coelom appeared first in the course of evolution in

  • Aschelminthes

  • Chordata

  • Echinodermata

  • Annelida


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The cell organelles are found in

  • bacterial cells

  • cyanobacterial cells

  • prokaryotic cells

  • eukaryotic cells


Intracellular compartments are not found in the cells of

  • lower plants

  • prokaryotes

  • higher plants

  • eukaryotes


Spindle chromosomes have

  • centriole

  • kinetochore

  • chromocentre

  • chromomere


Adrenal gland is derived from

  • ectoderm

  • mesoderm

  • endoderm

  • both (a) and (b)


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Which endocrine gland becomes inactive in old age

  • Adrenal

  • Thymus

  • Pineal

  • Pituitary