Category: 9th Science

  • Biology IX | Improvement in Food Resources | Questions & Answers

    Improvement in Food Resources | Questions & Answers 1. What are genetically modified crops? Ans. By introducing a gene with required characters into a crop for its improvement is called genetically modified crop. 2. State the differences between compost and vermicompost Ans. The compost is obtained by decomposition of organic waste like animal excreta plant…

  • Biology IX | Improvement in Food Resources | Part 4

    Improvement in Food Resources | Part 4 2. Poultry Farming The poultry industry with its production in the form of eggs and meat is of particular importance in providing balanced diet for the human population. Poultry birds serve human beings in various ways. They are not only efficient converters of agriculture by products, particularly of…