Multiple Choice Questions

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Non -albuminous seed is produced in 

  • maize

  • castor

  • wheat

  • wheat


D.

wheat

Non-albuminous or non-endospermic seeds are those in which cotyledons are usually smaller and less developed. Such seeds are termed when most or all of the endosperm is used up much before germination. Thus, out of all examples given in the option, the non-albuminous seed is produced in pea( i.e., Pisum sativum)

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Pollen tablets are available in the market for

  • In vitro fertilisation

  • breeding programmes

  • supplementing food 

  • supplementing food 

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The first human hormone produced by recombinant DNA technology is 

  • insulin

  • estrogen

  • thyroxin

  • thyroxin

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Function of filiform apparatus is to 

  • recognise the suitable pollen at the stigma

  • stimulate the division of generative cell 

  • produce nectar

  • produce nectar

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Fruit colour in squash is an example  of 

  • recessive epistasis

  • dominant epistasis

  • complementary genes

  • complementary genes

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Which one of the following a wrongly matched?

  • Transcription - Writing information from DNA to t-RNA

  • Translation - Using information in m - RNA to make protein

  • Repressor protein - Binds to operator to stop enzyme synthesis

  • Repressor protein - Binds to operator to stop enzyme synthesis

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Geitonogamy involves

  • Fertilisation of a flower by the pollen from another flower of the same plant

  • Fertilisation of a flower by the pollen from the same flower

  • Fertilisation of a flower by the pollen from a flower of another plant in the same population

  • Fertilisation of a flower by the pollen from a flower of another plant in the same population

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Transformation was discovered by 

  • Meselson and Stahi

  • Hershey and Chase

  • Griffith

  • Griffith

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An analysis of chromosomal DNA using the Southern hybridization technique does not use

  • electrophoresis

  • blotting

  • autoradiography

  • autoradiography

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Which one of the following shows coiled RNA stands and capsomeres?

  • Polio virus

  • Tabacco mosaic virus

  • Measles virus

  • Measles virus

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