Biological Classification MCQ Question with Answer

Correct Answer : B

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Explanation
Nuclear membrane is absent in monera.

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Correct Answer : D

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Explanation
Albugo is the parasitic fungi which is found on mustard. It is the member of phycomycetes that are found in aquatic habitats and on decaying wood in moist and damp places.

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Correct Answer : C

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Explanation
Rhizopus is a genus of common saprophytic fungi on plants and specialized parasites on animals. They are found on a wide variety of organic substrates, including mature fruits and vegetables, jellies, syrups, leather, bread, peanuts and tobacco. Rhizopus stolonifer is more commonly known as black bread mold. Gonyaulax is one of the dinoflagellates responsible for the advent of red tides. Yeast is a unicellular fungus, used to make bread and beer. Penicillium is a genus of ascomycetous fungi of major importance in the natural environment as well as food and drug production. Some members of the genus produce penicillin, a molecule that is used as an antibiotic, which kills or stops the growth of certain kinds of bacteria inside the body.

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Correct Answer : C

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Explanation
Protozoans are single celled microscopic eukaryotic organisms that are noted for their ability to move independently. Protozoans are classified on the basis of their locomotion - amoeboid (Amoeba), ciliated (Paramecium), flagellated (Trypanosoma) and Sporozoans (Plasmodium).

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Correct Answer : D

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Explanation
Puccinia, Ustilago, Agaricus and Saccharomyces are commonly called as rust fungi, smut fungi, mushroom and yeast respectively.

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Correct Answer : A

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Explanation
Ernst Mayr was a renowned taxonomist, tropical explorer, ornithologist, and historian of science. His work contributed to the conceptual revolution that led to the modern evolutionary synthesis of Mendelian genetics, systematics, and Darwinian evolution, and to the development of the biological species concept. Robert Harding Whittaker was a distinguished American plant ecologist. He was the first to propose the five-kingdom taxonomic classification of the world's biota into the Animalia, Plantae, Fungi, Protista, and Monera in 1959. Louis Pasteur was a French chemist and microbiologist renowned for his discoveries of the principles of vaccination, microbial fermentation and pasteurization. He gave the name virus. Theodor Otto Diener discovered the viroid, a plant pathogen one fiftieth of the size of the smallest viruses. These tiny single-stranded RNA molecules were responsible for causing a devastating disease of potato plants, called potato spindle tuber disease, as well as at least 15 other crop diseases. Diener named it the viroid because it is like a virus.

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Correct Answer : A

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Explanation
Archaebacteria, euglenoids, phycomycetes and algae are classes of monera, protista, fungi and plantae respectively.

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