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Chapter no 2) Systematics of Living Organisms

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  1. Choose correct option: A. Which of the following shows single stranded RNA and lacks protein coat? c).Viroid  a. Bacteriophage b. Plant virus c. Viroid d. Animal virus B. Causative agent of red tide is  a)dinoflagellate a. Dinoflagellate b. Euglenoid c. Chrysophyte d. Lichen C. Select odd one out for Heterotrophic bacteria.  c)Methanogens  a. Nitrogen fixing bacteria b. Lactobacilli c. Methanogens d. Cyanobacteria D. Paramoecium : Ciliated Protist Plasmodium :  d)Sporozoan   a. Amoeboid protozoan b. Ciliophora c. Flagellate protozoan d. Sporozoan 2. Answer the following: A. What are the salient features of monera? Ans) i)Size: The organisms included in this kingdom are microscopic, unicellular and prokaryotic (cells lack a well defined nucleus). ii. Occurrence: These are omnipresent, means, they are found in all types of environments, including those which are not generally inhabited by other living beings. iii.Nucleus: These organisms do not have...