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Neet biology previously asked questions class xi unit 1 2

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NEET Entrance Previously Asked Questions - Solved Subject: Biology Class XI Topic: Unit 1,2 1. Who is known as Darwin of the 20th century? Ans: Ernst Mayr 2. Phylogenetic Classification is based on Ans: evolutionary relationships 3. ICBN stands for Ans: International Code of Botanical Nomenclature 4. What is common about Trypanosoma, Noctiluca, Monocystis and Giardia? Ans: These are all unicellular protists 5. Bacterial leaf blight of rice is caused by a species Ans: Xanthomonas 6. T.O. Diener discovered a Ans: free infectious RNA 7. Ergot of rye is caused by a species of Ans: Claviceps 8. Single celled eukaryotes are included in Ans: Protista 9. Virus envelope is known as Ans: capsid 10. Curing of tea leaves is brought about by the activity of Ans: bacteria 11. Cyanobacteria are also referred to as Ans: blue green algae 12. The primitive prokaryotes responsible for the production of biogas from the dung of ruminant animals, include the Ans: methanogens 13. Chrysophytes, Euglenoids, Dinoflagellates and Slime moulds are included in the kingdom Ans: Protista 14. In the five-kingdom classification, Chlamydomonas and Chlorella have been included in Ans: Protista 15. Pigment containing membranous extensions in some cyanobacteria are Ans: chromatophores 16. Maximum nutritional diversity is found in the group Ans: Monera 17. Black (stem) rust of wheat is caused by Ans: Puccinia graminis 18. Spore dissemination in some liverworts is aided by Ans: elaters 19. The imperfect fungi w ...
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