Grade-11-Biology Related Question Answers

1. The people who deals with the living things and non-living things which affect the living things in any way are known as






2. The branch of biology in which we study about living organisms, systems or processes in manufacturing and industrial area is called






3. Eugenic aims are achieved by using a technology






4. Any cell or its individual and any offspring produced by it asexually is termed as a











5. In 1797 vaccination was first developed by






6. A synthesized knowledge of science may have observations which can be qualitative and






7. The elements which occur in a living organism are called






8. Any theory is considered a good theory if it leads to further hypothesis and is known as






9. Hypothesis always requires a tentative explanation of






10. Individuals of different species (animals and plants) that live together in same habitat constitutes a






11. The approximate number of species that are currently known to scientists is






12. The approach in which disastrous diseases are being controlled using appropriate methods is






13. Way of removing pollutants or toxic waste from environment with the help of living organisms is called






14. Gene frequency, gene flow, population density, age distribution, over population are the attributes of






15. A set of characteristics that separates a living organisms from non-living objects(including dead organisms) is called






16. The number of chemical compounds from which living organisms are made is






17. The tissues which are specialized for conducting water are termed as






18. The older sediment layers have less radioactive isotopes than






19. The process of production of identical copies of organisms asexually is






20. Diseases like polio, whooping cough, measles, mumps etc. can be avoided by






21. Evolutionary changes helps in producing new






22. The lethal disease which spreads via free sexually contact, blood infusions from an infected person, and contaminated syringes is






23. The reasoning which moves from general statement towards particular conclusion is






24. The reasoning which involves specific examples of observations and leads to a general principle is






25. A very useful technique which helps in testing a nutrient's essentiality for plantation is






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