Biology MCQs

31. What are the most important nerves in the human body?
[A] cranial
[B] spinal
[C] Both 1 and 2
[D] Neither 1 nor 2

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32. The splice of the joints are fibrous in nature in which there is no movement?
[A] tendons and tibia
[B] ligaments and femur
[C] diarthrosis
[D] synarthroses

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33. Which gland is considered as the Third eye of the body or biological clock of the body?
[A] Pituitary gland
[B] Pineal gland
[C] Thyroid gland
[D] Adrenal gland

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34. The population of the vagina with semen during coitus is called __.
[A] Insemination
[B] Outsemination
[C] Copulation
[D] Fertilization

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35. Which of the following are bacterial diseases in Humans?
[A] Pulmonary Tuberculosis
[B] Cholera
[C] Leprosy
[D] All of the above

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36. Which of the following diseases is caused by protozoa?
[A] Whooping cough
[B] Amoebic dysentery
[C] Measles
[D] Athlete’s foot

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37. In winter, at the time of hibernation, Toads maintain breathing through ____:
[A] Lungs
[B] Skin
[C] Both by Skin and Lungs
[D] Buccal cavity

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38. Saprophytes are the organisms which depend for food on
____:
[A] Inorganic chemical compounds
[B] Living plants
[C] Living animals
[D] Dead and decaying material

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39. In male sharks, Claspers are found attached to
____:
[A] Anal fin
[B] Ventral fin
[C] Pectoral fin
[D] Pelvic fin

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40. In which one of the following is swim bladder absent?
[A] Cartilaginous fish
[B] Silverfish
[C] Cuttlefish
[D] Bony fish

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