Subject

Biology

Class

NEET Class 12

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 Multiple Choice QuestionsMultiple Choice Questions

31.

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

  • bicarbonate shift

  • Chloride shift

  • buffer system

  • enzyme shift


32.

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


33.

Shifting of ammonotelism to ureotelism is seen in

  • fishes

  • protopterus

  • frog

  • snake


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34.

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

  • 170 L

  • 100 L

  • 200-250 cc

  • 500-1000 cc


A.

170 L

The volume of filtrate formed by both kidneys per minute is termed glomerular filtration rate (GFR). Approximately 20% of your cardiac output is filtered by your kidneys per minute under resting conditions. The work of the kidneys produces about 125 mL/min filtrate in men (range of 90 to 140 mL/min) and 105 mL/min filtrate in women (range of 80 to 125 mL/min). This amount equates to a volume of about 180 L/day in men and 150 L/day in women. However, 99% of this filtrate is returned to the circulation through reabsorption resulting in only about 1–2 liters of urine per day.


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35.

In mitosis the duplication of chromosomes occurs during

  • early prophase

  • late prophase

  • interphase

  • late telophase


36.

Bivalents in meiosis are

  • tetrad

  • pairs of non-homologous chromosomes

  • pairs of several chromatids

  • pairs of homologous chromosomes


37.

Which one of the following is also called halophiles

  • Eubacteria

  • Actinomycetes

  • Archaebacteria

  • Cyanobacteria


38.

Vascular bundles of roots are

  • conjoint

  • concentric

  • bicollateral

  • radial


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39.

Ectophloic siphonostele is found in

  • Osmunda and Equisetum

  • Marsilea and Botrychium

  • Adiantum and Cucurbitaceae

  • Dicksonia and Maiden hair fern


40.

Adipocytes are mainly found in

  • bones

  • cartilages

  • connective tissue

  • nerves


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