Multiple Choice Questions

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The volume of 'Anatomical Dead Space' air is normally

  • 230 mL

  • 210 mL

  • 190 m

  • 150 mL


D.

150 mL

The volume of airfrom nostril to terminal bronchiole which is not taking part in exchange of gases is known as anatomical dead space. The volume of anatomical dead space air is about 150 mL.


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Presence of which of the following hormone in the urine confirms pregnancy?

  • Progesterone

  • Oestrogen

  • Human chorionic gonadotropin

  • Prolactin


In plant tissue culture, the callus tissues can be regenerated into complete plantlets primarily by altering the concentration of

  • sugars

  • vitamins

  • amino acids

  • hormones


If you want to develop hybrid seeds within a bisexual flower, the following part needs to be removed from the same flower

  • stigma

  • ovary

  • anther

  • oviduct


Xenogamy is essentially a type of

  • cleistogamy

  • allogamy

  • autogamy

  • homogamy


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Basic principle of developing transgenic plants and animals is to introduce the gene of interest into the nucleus of

  • somatic cell

  • vegetative cell

  • germ cell

  • body cell


Which pairs of the following diseases are caused by two genes located on human X-chromosomes?

  • Colour blindness and phenylketonuria

  • Colour blindness and haemophilia

  • Colour blindness and albinism

  • Colour blindness and hypertrichosis


Which one of the following triplet codon is known as initiation codon?

  • UUU

  • UAA

  • AUG

  • UGA


Mammals have originated from which of the following

  • Pisces

  • Amphibia

  • Reptilia

  • Aves


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Which one of. the following animals possesses giant chromosome?

  • Drosophila

  • Mouse

  • Pigeon

  • Elephant