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When two unrelated individuals or lines are crossed, the performance of F1 hybrid is often superior to both its parents. This phenomenon is called

  • transformation

  • splicing

  • metamorphosis

  • metamorphosis


D.

metamorphosis

The superiority of hybrids over either of the parents (dominant or recessive is called hybrid vigour (G. shull). Heterosis is equivalent of hybrids vigour.

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Bacillus thuringiensis forms protein crystals, which contain insecticidal protein

  • binds with epithelial cells of midgut of the insect pest ultimately killing it

  • is coded by several genes including the gene cry

  • is acitvated by acid of pH of the foregut is the insect pest

  • is acitvated by acid of pH of the foregut is the insect pest


In history of biology, human genome project led to the development of 

  • biotechnology

  • biomonitoring

  • bioinformatic 

  • bioinformatic 


Which one of the following organisms is not an example of eukaryotic cells?

  • Escherichia Coil

  • Euglena Viridis

  • Amoeba proteus

  • Amoeba proteus


The genetically - modified (GM) brinjal in India has been developed for 

  • insect - resistance

  • enhancing self- life

  • enhancing mineral content

  • enhancing mineral content


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