Multiple Choice Questions

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The process by which chloride ions pass into RBC and bicarbonate ions pass out is called

  • bicarbonate shift

  • Chloride shift

  • buffer system

  • enzyme shift


B.

Chloride shift

Chloride shift (also known as the Hamburger phenomenon or lineas phenomenon, named after Hartog Jakob Hamburger) is a process which occurs in a cardiovascular system and refers to the exchange of bicarbonate (HCO3) and chloride (Cl) across the membrane of red blood cells (RBCs).


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Shifting of ammonotelism to ureotelism is seen in

  • fishes

  • protopterus

  • frog

  • snake


Bivalents in meiosis are

  • tetrad

  • pairs of non-homologous chromosomes

  • pairs of several chromatids

  • pairs of homologous chromosomes


Adipocytes are mainly found in

  • bones

  • cartilages

  • connective tissue

  • nerves


Ectophloic siphonostele is found in

  • Osmunda and Equisetum

  • Marsilea and Botrychium

  • Adiantum and Cucurbitaceae

  • Dicksonia and Maiden hair fern


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In mitosis the duplication of chromosomes occurs during

  • early prophase

  • late prophase

  • interphase

  • late telophase


Vascular bundles of roots are

  • conjoint

  • concentric

  • bicollateral

  • radial


The largest quantity of air that can be expired after a maximum inspiratory effort is

  • residual volume

  • tidal volume

  • vital capacity of lung

  • lung volume


Which one of the following is also called halophiles

  • Eubacteria

  • Actinomycetes

  • Archaebacteria

  • Cyanobacteria


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The amount of liquid filtered by glomeruli of kidney in 24 hours period is

  • 170 L

  • 100 L

  • 200-250 cc

  • 500-1000 cc