Biology MCQs

31. What is the word used for a disease that people can catch from animals?
[A] Hypochondriasis
[B] Zoonosis
[C] Toxicosis
[D] Narcosis

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32. In patients with hemophilia, which of these can increase the risk of cerebral microbleeds?
[A] cardiovascular risk factors
[B] increased age
[C] Hepatitis C infection
[D] All of the above

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33. What is required for nitrogen fixation by Rhizobium?
[A] Potassium
[B] Phosphorus
[C] Nitrate
[D] Sodium

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34. Which of the following nonpathogenic products is used in various crops as well as horticulture and ornamental plants?
[A] Azotobacter
[B] Fungi
[C] Tricho-Card
[D] None of these

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35. Which of the following forestry materials can be used as biomass?
[A] Logging residues
[B] Tallow
[C] Fish oil
[D] Manure

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36. Which of the following is used as a tool to insert genes into bacteria to stimulate the production of therapeutic proteins such as human insulin?
[A] Plasmid
[B] Nitrogenous base
[C] Bacteria
[D] RNA

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37. ____ being a higher category, is the assemblage of families which exhibit a few similar characters:

[A] Class
[B] Species
[C] Genus
[D] Order

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38. In coriander, the useful parts are
____:
[A] Leaves & flowers
[B] Flowers & dried fruits
[C] Roots & leaves
[D] Leaves & dried fruits

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39. Which of the following is a tapeworm?
[A] Enterobius
[B] Fasciola
[C] Taenia
[D] Schistosoma

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40. _____ is the study of the microanatomy of cells, tissues and organs as seen through a microscope:
[A] Entomology
[B] Paleontology
[C] Histology
[D] Lchthyology

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