UPSC  Biology

31. decomposition of organic matter is brought about by

Protozoa Plants Micro-organisms None of these

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32. The smallest taxon is called

Class Order Genus Species

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33. Which one of the following is the first National Park in India

Kanha National Park Periyar National Park Corbett National Park Bandipur National Park

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34. Which one of the following is having ssRNA

TMV T2-bacteriophage Polio Virus CMV

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35. In Whittaker's system of classification, prokaryotes are placed in the kingdom

Protista Monera Plantae Animalia

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36. virus consists of

Nucleic acid and protein Nucleic acid Orotein None of these

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37. This substance is present in the cell walls of Gram Positive bacteria only

Peptidoglycan Lipopolysaccharides Teichoic acids None of these

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38. Highest degree of polymorphism is found in

Protozoa Cnidaria Platyhelminthes Arthropoda

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39. Sea mouse belongs to phylum

Mollusca Cnidaria Arthropoda Annelida

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40. One of the following animal belongs to Cyclostomata

Channa Loris Dodo Petromyzon

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