What is Genetically Modified Organisms (GMO)? Mention in brief the necessary steps for the production of Bt crops.

What is Genetic Code? Mention the main features of Transcription process.

What is called spelter? Mention the role of spiegel is in the production of steel.

What is the structural steps of living organism?

What do you mean by Vaccination? Mention in Brief the cause and symptoms of Typhoid.

Study statement a-d (about organic farming) and find out the correct ones. (a) Utilises genetically modified crops like Bt cotton (b) Uses only naturally produced input like compost (c) Does not use pesticide and urea (d) Produces vegetables rich in vitamins and minerals

Golden rice is a genetically modified crop plant where incorporated gene is meant for biosynthesis of:

Golden rice is a genetically modified crop plant where the incorporated gene is meant for biosynthesis of:

What is meant by fixation of nitrogen? Mention the steps involved in fixation of atmospheric nitrogen.

Compare and contrast the advantages and disadvantages of production of genetically modified crops.

An organic compound has the formula C4H10O. It reacts with metallic sodium liberating hydrogen. (i) Write down the formula of three possible isomers of the compound which are similar and react with sodium. (ii) What will be the product if any one of the isomers reacts with acetic acid ?