Biology MCQs

31. Monocytes differentiate into which kind of phagocytic cells?
[A] Neutrophil
[B] B cell
[C] Macrophage
[D] T cell

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32. Which of the following does not correct about diabetes?
[A] Diabetes insipidus is due to secretion of low levels of ADH.
[B] Diabetes mellitus is due to hyper-production of insulin.
[C] Without insulin, glucose remains in the bloodstream.
[D] All of the above

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33. What is the scrotal ligament?
[A] an accessory reproductive gland in male mammals
[B] elastic tissue which connects the cauda epididymis to the scrotal sac
[C] remnant of gubernaculum in a fetus
[D] None of these

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34. Which bacteria is responsible for causing Shipping Fever in cattle?
[A] Pasteurella haemolytica
[B] Pasteurella multocida
[C] Mannheimia haemolytica
[D] All of the above

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35. What disease is caused by paramyxovirus?
[A] measles
[B] parainfluenza virus
[C] respiratory syncytial virus
[D] All of the above

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36. Which of the following is an example of a loose association of nitrogen-fixing bacteria?
[A] Rhizobium
[B] Blue-Green algae
[C] Azotobacter
[D] Azospirillum

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37. The technique of __ crosses the limits of conventional hybridization processes.
[A] immunology
[B] modern hybridization
[C] genetic engineering
[D] cell biology

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38. What is another name of rDNA technology?
[A] chimeric DNA
[B] information technology
[C] information DNA
[D] chimeric technology

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39. What is Blubber?
[A] A layer of thick fat
[B] A device to trap insects by some aquatic
[C] A milky secretion of rubber plant
[D] Fungal infection of rice plants

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40. The radioactive Strontium-90 causes _____:
[A] Lung cancer
[B] Skin cancer
[C] Bone cancer
[D] Brain cancer

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